Merged scons/scons into default

34 files changed, 2242 insertions, 2250 deletions

diff --git a/doc/user/actions.xml b/doc/user/actions.xml
index 4b7c13a..eab9c10 100644
--- a/doc/user/actions.xml
+++ b/doc/user/actions.xml
@@ -267,7 +267,7 @@ solutions to the above limitations.
   </para>
 
   <sconstruct>
-    b = Builder(action = 'build &lt; $SOURCE &gt; $TARGET')
+b = Builder(action = 'build &lt; $SOURCE &gt; $TARGET')
   </sconstruct>
 
   <para>
@@ -277,7 +277,7 @@ solutions to the above limitations.
   </para>
 
   <sconstruct>
-    b = Builder(action = Action('build &lt; $SOURCE &gt; $TARGET'))
+b = Builder(action = Action('build &lt; $SOURCE &gt; $TARGET'))
   </sconstruct>
 
   <para>
diff --git a/doc/user/add-method.xml b/doc/user/add-method.xml
index a9a89d3..c50786c 100644
--- a/doc/user/add-method.xml
+++ b/doc/user/add-method.xml
@@ -63,17 +63,17 @@
 
   <scons_example name="addmethod_ex1">
      <file name="SConstruct" printme="1">
-     def install_in_bin_dirs(env, source):
-         """Install source in both bin dirs"""
-         i1 = env.Install("$BIN", source)
-         i2 = env.Install("$LOCALBIN", source)
-         return [i1[0], i2[0]] # Return a list, like a normal builder
-     env = Environment(BIN='__ROOT__/usr/bin', LOCALBIN='#install/bin')
-     env.AddMethod(install_in_bin_dirs, "InstallInBinDirs")
-     env.InstallInBinDirs(Program('hello.c')) # installs hello in both bin dirs     
+def install_in_bin_dirs(env, source):
+    """Install source in both bin dirs"""
+    i1 = env.Install("$BIN", source)
+    i2 = env.Install("$LOCALBIN", source)
+    return [i1[0], i2[0]] # Return a list, like a normal builder
+env = Environment(BIN='__ROOT__/usr/bin', LOCALBIN='#install/bin')
+env.AddMethod(install_in_bin_dirs, "InstallInBinDirs")
+env.InstallInBinDirs(Program('hello.c')) # installs hello in both bin dirs     
      </file>
      <file name="hello.c">
-     int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
      </file>
   </scons_example>
 
@@ -100,28 +100,28 @@
 
   <scons_example name="addmethod_ex2">
      <file name="SConstruct" printme="1">
-     def BuildTestProg(env, testfile, resourcefile, testdir="tests"):
-         """Build the test program;
-         prepends "test_" to src and target,
-         and puts target into testdir."""
-         srcfile = "test_%s.c" % testfile
-         target = "%s/test_%s" % (testdir, testfile)
-         if env['PLATFORM'] == 'win32':
-             resfile = env.RES(resourcefile)
-             p = env.Program(target, [srcfile, resfile])
-         else:
-             p = env.Program(target, srcfile)
-         return p
-     AddMethod(Environment, BuildTestProg)
-
-     env = Environment()
-     env.BuildTestProg('stuff', resourcefile='res.rc')
+def BuildTestProg(env, testfile, resourcefile, testdir="tests"):
+    """Build the test program;
+    prepends "test_" to src and target,
+    and puts target into testdir."""
+    srcfile = "test_%s.c" % testfile
+    target = "%s/test_%s" % (testdir, testfile)
+    if env['PLATFORM'] == 'win32':
+        resfile = env.RES(resourcefile)
+        p = env.Program(target, [srcfile, resfile])
+    else:
+        p = env.Program(target, srcfile)
+    return p
+AddMethod(Environment, BuildTestProg)
+
+env = Environment()
+env.BuildTestProg('stuff', resourcefile='res.rc')
      </file>
      <file name="test_stuff.c">
-     int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
      </file>
      <file name="res.rc">
-     res.rc
+res.rc
      </file>
   </scons_example>
 
diff --git a/doc/user/alias.xml b/doc/user/alias.xml
index dfaea5b..6325316 100644
--- a/doc/user/alias.xml
+++ b/doc/user/alias.xml
@@ -54,13 +54,13 @@
 
   <scons_example name="alias_ex1">
      <file name="SConstruct" printme="1">
-     env = Environment()
-     hello = env.Program('hello.c')
-     env.Install('__ROOT__/usr/bin', hello)
-     env.Alias('install', '__ROOT__/usr/bin')
+env = Environment()
+hello = env.Program('hello.c')
+env.Install('__ROOT__/usr/bin', hello)
+env.Alias('install', '__ROOT__/usr/bin')
      </file>
      <file name="hello.c">
-     int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
      </file>
   </scons_example>
 
@@ -90,20 +90,20 @@
 
   <scons_example name="alias_ex2">
      <file name="SConstruct" printme="1">
-     env = Environment()
-     p = env.Program('foo.c')
-     l = env.Library('bar.c')
-     env.Install('__ROOT__/usr/bin', p)
-     env.Install('__ROOT__/usr/lib', l)
-     ib = env.Alias('install-bin', '__ROOT__/usr/bin')
-     il = env.Alias('install-lib', '__ROOT__/usr/lib')
-     env.Alias('install', [ib, il])
+env = Environment()
+p = env.Program('foo.c')
+l = env.Library('bar.c')
+env.Install('__ROOT__/usr/bin', p)
+env.Install('__ROOT__/usr/lib', l)
+ib = env.Alias('install-bin', '__ROOT__/usr/bin')
+il = env.Alias('install-lib', '__ROOT__/usr/lib')
+env.Alias('install', [ib, il])
      </file>
      <file name="foo.c">
-     int main() { printf("foo.c\n"); }
+int main() { printf("foo.c\n"); }
      </file>
      <file name="bar.c">
-     void bar() { printf("bar.c\n"); }
+void bar() { printf("bar.c\n"); }
      </file>
   </scons_example>
 
diff --git a/doc/user/build-install.xml b/doc/user/build-install.xml
index 62fe2c4..c6f8e6d 100644
--- a/doc/user/build-install.xml
+++ b/doc/user/build-install.xml
@@ -106,8 +106,8 @@
     </para>
 
     <screen>
-       $ <userinput>python -V</userinput>
-       Python 2.5.1
+$ <userinput>python -V</userinput>
+Python 2.5.1
     </screen>
 
     <para>
@@ -117,8 +117,8 @@
     </para>
 
     <screen>
-       C:\><userinput>python -V</userinput>
-       Python 2.5.1
+C:\><userinput>python -V</userinput>
+Python 2.5.1
     </screen>
 
     <para>
@@ -200,7 +200,7 @@
       </para>
 
       <screen>
-        # <userinput>yum install scons</userinput>
+# <userinput>yum install scons</userinput>
       </screen>
 
       <para>
@@ -225,7 +225,7 @@
       </para>
 
       <screen>
-        # <userinput>rpm -Uvh scons-&buildversion;-1.noarch.rpm</userinput>
+# <userinput>rpm -Uvh scons-&buildversion;-1.noarch.rpm</userinput>
       </screen>
 
       <para>
@@ -258,7 +258,7 @@
       </para>
 
       <screen>
-        # <userinput>apt-get install scons</userinput>
+# <userinput>apt-get install scons</userinput>
       </screen>
 
       <!--
@@ -273,7 +273,7 @@
       </para>
 
       <screen>
-        # <userinput>db-XXX scons-*.deb</userinput>
+# <userinput>db-XXX scons-*.deb</userinput>
       </screen>
 
       -->
@@ -419,8 +419,8 @@
     </para>
 
     <screen>
-      # <userinput>cd scons-&buildversion;</userinput>
-      # <userinput>python setup.py install</userinput>
+# <userinput>cd scons-&buildversion;</userinput>
+# <userinput>python setup.py install</userinput>
     </screen>
 
     <para>
@@ -480,7 +480,7 @@
       </para>
 
       <screen>
-        # <userinput>python setup.py install --version-lib</userinput>
+# <userinput>python setup.py install --version-lib</userinput>
       </screen>
 
       <para>
@@ -522,7 +522,7 @@
       </para>
 
       <screen>
-        # <userinput>python setup.py install --prefix=/opt/scons</userinput>
+# <userinput>python setup.py install --prefix=/opt/scons</userinput>
       </screen>
 
       <para>
@@ -573,7 +573,7 @@
       </para>
 
       <screen>
-        $ <userinput>python setup.py install --prefix=$HOME</userinput>
+$ <userinput>python setup.py install --prefix=$HOME</userinput>
       </screen>
 
       <para>
diff --git a/doc/user/builders-built-in.xml b/doc/user/builders-built-in.xml
index 9c28020..2fcf313 100644
--- a/doc/user/builders-built-in.xml
+++ b/doc/user/builders-built-in.xml
@@ -77,7 +77,7 @@
     </para>
 
     <programlisting>
-      Program('prog', 'file1.o')
+Program('prog', 'file1.o')
     </programlisting>
 
     <para>
@@ -102,8 +102,8 @@
     </para>
 
     <programlisting>
-      env = Environment(PROGPREFIX='my', PROGSUFFIX='.xxx')
-      env.Program('prog', ['file1.o', 'file2.o'])
+env = Environment(PROGPREFIX='my', PROGSUFFIX='.xxx')
+env.Program('prog', ['file1.o', 'file2.o'])
     </programlisting>
 
     <para>
@@ -126,7 +126,7 @@
     </para>
 
     <programlisting>
-      Program(['hello.c', 'goodbye.c'])
+Program(['hello.c', 'goodbye.c'])
     </programlisting>
 
     <para>
@@ -154,15 +154,15 @@
 
     <scons_example name="buildersbuiltin_libs">
       <file name="SConstruct" printme="1">
-      env = Environment(LIBS = ['foo1', 'foo2'],
-                        LIBPATH = ['/usr/dir1', 'dir2'])
-      env.Program(['hello.c', 'goodbye.c'])
+env = Environment(LIBS = ['foo1', 'foo2'],
+                  LIBPATH = ['/usr/dir1', 'dir2'])
+env.Program(['hello.c', 'goodbye.c'])
       </file>
       <file name="hello.c">
-      int hello() { printf("Hello, world!\n"); }
+int hello() { printf("Hello, world!\n"); }
       </file>
       <file name="goodbye.c">
-      int goodbye() { printf("Goodbye, world!\n"); }
+int goodbye() { printf("Goodbye, world!\n"); }
       </file>
     </scons_example>
 
@@ -258,7 +258,7 @@
       </para>
 
       <programlisting>
-        StaticObject('file', 'file.c')
+StaticObject('file', 'file.c')
       </programlisting>
 
       <para>
@@ -283,8 +283,8 @@
       </para>
 
       <programlisting>
-        env = Environment(OBJPREFIX='my', OBJSUFFIX='.xxx')
-        env.StaticObject('file', 'file.c')
+env = Environment(OBJPREFIX='my', OBJSUFFIX='.xxx')
+env.StaticObject('file', 'file.c')
       </programlisting>
 
       <para>
@@ -307,7 +307,7 @@
       </para>
 
       <programlisting>
-        StaticObject('file.c')
+StaticObject('file.c')
       </programlisting>
 
       <para>
@@ -337,7 +337,7 @@
       </para>
 
       <programlisting>
-        SharedObject('file', 'file.c')
+SharedObject('file', 'file.c')
       </programlisting>
 
       <para>
@@ -362,8 +362,8 @@
       </para>
 
       <programlisting>
-        env = Environment(SHOBJPREFIX='my', SHOBJSUFFIX='.xxx')
-        env.SharedObject('file', 'file.c')
+env = Environment(SHOBJPREFIX='my', SHOBJSUFFIX='.xxx')
+env.SharedObject('file', 'file.c')
       </programlisting>
 
       <para>
@@ -386,7 +386,7 @@
       </para>
 
       <programlisting>
-        SharedObject('file.c')
+SharedObject('file.c')
       </programlisting>
 
       <para>
@@ -440,7 +440,7 @@
       </para>
 
       <programlisting>
-        StaticLibrary('foo', ['file1.c', 'file2.c'])
+StaticLibrary('foo', ['file1.c', 'file2.c'])
       </programlisting>
 
       <para>
@@ -457,8 +457,8 @@
       </para>
 
       <programlisting>
-        env = Environment(LIBPREFIX='my', LIBSUFFIX='.xxx')
-        env.StaticLibrary('lib', ['file1.o', 'file2.o'])
+env = Environment(LIBPREFIX='my', LIBSUFFIX='.xxx')
+env.StaticLibrary('lib', ['file1.o', 'file2.o'])
       </programlisting>
 
       <para>
@@ -470,7 +470,7 @@
       </para>
 
       <programlisting>
-        StaticLibrary('foo', ['file1.c', 'file2.c'])
+StaticLibrary('foo', ['file1.c', 'file2.c'])
       </programlisting>
 
       <para>
@@ -484,7 +484,7 @@
       </para>
 
       <programlisting>
-        StaticLibrary(['file.c', 'another.c'])
+StaticLibrary(['file.c', 'another.c'])
       </programlisting>
 
       <para>
@@ -514,7 +514,7 @@
       </para>
 
       <programlisting>
-        SharedLibrary('foo', ['file1.c', 'file2.c'])
+SharedLibrary('foo', ['file1.c', 'file2.c'])
       </programlisting>
 
       <para>
@@ -531,8 +531,8 @@
       </para>
 
       <programlisting>
-        env = Environment(SHLIBPREFIX='my', SHLIBSUFFIX='.xxx')
-        env.SharedLibrary('shared', ['file1.o', 'file2.o'])
+env = Environment(SHLIBPREFIX='my', SHLIBSUFFIX='.xxx')
+env.SharedLibrary('shared', ['file1.o', 'file2.o'])
       </programlisting>
 
       <para>
@@ -544,7 +544,7 @@
       </para>
 
       <programlisting>
-        SharedLibrary('foo', ['file1.c', 'file2.c'])
+SharedLibrary('foo', ['file1.c', 'file2.c'])
       </programlisting>
 
       <para>
@@ -558,7 +558,7 @@
       </para>
 
       <programlisting>
-        SharedLibrary(['file.c', 'another.c'])
+SharedLibrary(['file.c', 'another.c'])
       </programlisting>
 
       <para>
@@ -631,11 +631,11 @@
       </para>
 
       <programlisting>
-        XXX CFile() programlisting
+XXX CFile() programlisting
       </programlisting>
 
       <screen>
-        XXX CFile() screen
+XXX CFile() screen
       </screen>
 
     </section>
@@ -650,11 +650,11 @@
       </para>
 
       <programlisting>
-        XXX CXXFILE() programlisting
+XXX CXXFILE() programlisting
       </programlisting>
 
       <screen>
-        XXX CXXFILE() screen
+XXX CXXFILE() screen
       </screen>
 
     </section>
@@ -681,11 +681,11 @@
       </para>
 
       <programlisting>
-        XXX DVI() programlisting
+XXX DVI() programlisting
       </programlisting>
 
       <screen>
-        XXX DVI() screen
+XXX DVI() screen
       </screen>
 
     </section>
@@ -711,11 +711,11 @@
       </para>
 
       <programlisting>
-        XXX PostScript() programlisting
+XXX PostScript() programlisting
       </programlisting>
 
       <screen>
-        XXX PostScript() screen
+XXX PostScript() screen
       </screen>
 
     </section>
@@ -745,18 +745,18 @@
 
       <scons_example name="buildersbuiltin_ex1">
         <file name="SConstruct" printme="1">
-        env = Environment()
-        env.Tar('out1.tar', ['file1', 'file2'])
-        env.Tar('out2', 'directory')
+env = Environment()
+env.Tar('out1.tar', ['file1', 'file2'])
+env.Tar('out2', 'directory')
         </file>
         <file name="file1">
-        file1
+file1
         </file>
         <file name="file2">
-        file2
+file2
         </file>
         <file name="directory/file3">
-        directory/file3
+directory/file3
         </file>
       </scons_example>
 
@@ -781,11 +781,11 @@
 
       <scons_example name="buildersbuiltin_ex2">
         <file name="SConstruct" printme="1">
-        env = Environment(TARFLAGS = '-c -z')
-        env.Tar('out.tar.gz', 'directory')
+env = Environment(TARFLAGS = '-c -z')
+env.Tar('out.tar.gz', 'directory')
         </file>
         <file name="directory/file">
-        directory/file
+directory/file
         </file>
       </scons_example>
 
@@ -805,12 +805,12 @@
 
       <scons_example name="buildersbuiltin_ex3">
         <file name="SConstruct" printme="1">
-        env = Environment(TARFLAGS = '-c -z',
-                          TARSUFFIX = '.tgz')
-        env.Tar('out', 'directory')
+env = Environment(TARFLAGS = '-c -z',
+                  TARSUFFIX = '.tgz')
+env.Tar('out', 'directory')
         </file>
         <file name="directory/file">
-        directory/file
+directory/file
         </file>
       </scons_example>
 
@@ -837,14 +837,14 @@
 
       <scons_example name="buildersbuiltin_ex4">
         <file name="SConstruct" printme="1">
-        env = Environment()
-        env.Zip('out', ['file1', 'file2'])
+env = Environment()
+env.Zip('out', ['file1', 'file2'])
         </file>
         <file name="file1">
-        file1
+file1
         </file>
         <file name="file2">
-        file2
+file2
         </file>
       </scons_example>
 
@@ -891,8 +891,8 @@
       </para>
 
       <programlisting>
-        env = Environment()
-        env.Java(target = 'classes', source = 'src')
+env = Environment()
+env.Java(target = 'classes', source = 'src')
       </programlisting>
 
       <para>
@@ -905,7 +905,7 @@
       </para>
 
       <screen>
-        XXX Java() screen
+XXX Java() screen
       </screen>
 
     </section>
@@ -920,13 +920,13 @@
       </para>
 
       <programlisting>
-        env = Environment()
-        env.Java(target = 'classes', source = 'src')
-        env.Jar(target = '', source = 'classes')
+env = Environment()
+env.Java(target = 'classes', source = 'src')
+env.Jar(target = '', source = 'classes')
       </programlisting>
 
       <screen>
-        XXX Jar() screen
+XXX Jar() screen
       </screen>
 
     </section>
@@ -941,11 +941,11 @@
       </para>
 
       <programlisting>
-        XXX JavaH() programlisting
+XXX JavaH() programlisting
       </programlisting>
 
       <screen>
-        XXX JavaH() screen
+XXX JavaH() screen
       </screen>
 
     </section>
@@ -960,11 +960,11 @@
       </para>
 
       <programlisting>
-        XXX RMIC() programlisting
+XXX RMIC() programlisting
       </programlisting>
 
       <screen>
-        XXX RMIC() screen
+XXX RMIC() screen
       </screen>
 
     </section>
diff --git a/doc/user/builders-commands.xml b/doc/user/builders-commands.xml
index 52e98c8..d496ef1 100644
--- a/doc/user/builders-commands.xml
+++ b/doc/user/builders-commands.xml
@@ -93,11 +93,11 @@
 
   <scons_example name="builderscommands_ex1">
      <file name="SConstruct" printme="1">
-     env = Environment()
-     env.Command('foo.out', 'foo.in', "sed 's/x/y/' &lt; $SOURCE > $TARGET")
+env = Environment()
+env.Command('foo.out', 'foo.in', "sed 's/x/y/' &lt; $SOURCE > $TARGET")
      </file>
      <file name="foo.in">
-     foo.in
+foo.in
      </file>
   </scons_example>
 
@@ -133,14 +133,14 @@
 
   <scons_example name="builderscommands_ex2">
      <file name="SConstruct" printme="1">
-     env = Environment()
-     def build(target, source, env):
-         # Whatever it takes to build
-         return None
-     env.Command('foo.out', 'foo.in', build)
+env = Environment()
+def build(target, source, env):
+    # Whatever it takes to build
+    return None
+env.Command('foo.out', 'foo.in', build)
      </file>
      <file name="foo.in">
-     foo.in
+foo.in
      </file>
   </scons_example>
 
@@ -164,7 +164,7 @@
 
   <scons_example name="builderscommands_ex3">
      <file name="SConstruct" printme="1">
-     env.Command('${SOURCE.basename}.out', 'foo.in', build)
+env.Command('${SOURCE.basename}.out', 'foo.in', build)
      </file>
   </scons_example>
 
diff --git a/doc/user/builders-writing.xml b/doc/user/builders-writing.xml
index 2dea8f7..e6e2aaf 100644
--- a/doc/user/builders-writing.xml
+++ b/doc/user/builders-writing.xml
@@ -151,7 +151,7 @@ This functionality could be invoked as in the following example:
     </para>
 
     <programlisting>
-       bld = Builder(action = 'foobuild &lt; $SOURCE &gt; $TARGET')
+bld = Builder(action = 'foobuild &lt; $SOURCE &gt; $TARGET')
     </programlisting>
 
     <para>
@@ -187,23 +187,23 @@ This functionality could be invoked as in the following example:
 
     <scons_example name="builderswriting_ex1">
        <file name="SConstruct">
-       bld = Builder(action = 'foobuild &lt; $SOURCE &gt; $TARGET')
-       env = Environment(BUILDERS = {'Foo' : bld})
-       import os
-       env['ENV']['PATH'] = env['ENV']['PATH'] + os.pathsep + os.getcwd()
-       env.Foo('file.foo', 'file.input')
+bld = Builder(action = 'foobuild &lt; $SOURCE &gt; $TARGET')
+env = Environment(BUILDERS = {'Foo' : bld})
+import os
+env['ENV']['PATH'] = env['ENV']['PATH'] + os.pathsep + os.getcwd()
+env.Foo('file.foo', 'file.input')
        </file>
        <file name="file.input">
-       file.input
+file.input
        </file>
        <file name="foobuild" chmod="0755">
-       cat
+cat
        </file>
     </scons_example>
 
     <sconstruct>
-       bld = Builder(action = 'foobuild &lt; $SOURCE &gt; $TARGET')
-       env = Environment(BUILDERS = {'Foo' : bld})
+bld = Builder(action = 'foobuild &lt; $SOURCE &gt; $TARGET')
+env = Environment(BUILDERS = {'Foo' : bld})
     </sconstruct>
 
     <para>
@@ -215,7 +215,7 @@ This functionality could be invoked as in the following example:
     </para>
 
     <programlisting>
-       env.Foo('file.foo', 'file.input')
+env.Foo('file.foo', 'file.input')
     </programlisting>
 
     <para>
@@ -261,22 +261,22 @@ This functionality could be invoked as in the following example:
    -->
     <scons_example name="builderswriting_ex2">
        <file name="SConstruct">
-       import SCons.Defaults; SCons.Defaults.ConstructionEnvironment['TOOLS'] = {}; bld = Builder(action = 'foobuild &lt; $SOURCE &gt; $TARGET')
-       env = Environment(BUILDERS = {'Foo' : bld})
-       env.Foo('file.foo', 'file.input')
-       env.Program('hello.c')
+import SCons.Defaults; SCons.Defaults.ConstructionEnvironment['TOOLS'] = {}; bld = Builder(action = 'foobuild &lt; $SOURCE &gt; $TARGET')
+env = Environment(BUILDERS = {'Foo' : bld})
+env.Foo('file.foo', 'file.input')
+env.Program('hello.c')
        </file>
        <file name="SConstruct.printme" printme="1">
-       bld = Builder(action = 'foobuild &lt; $SOURCE &gt; $TARGET')
-       env = Environment(BUILDERS = {'Foo' : bld})
-       env.Foo('file.foo', 'file.input')
-       env.Program('hello.c')
+bld = Builder(action = 'foobuild &lt; $SOURCE &gt; $TARGET')
+env = Environment(BUILDERS = {'Foo' : bld})
+env.Foo('file.foo', 'file.input')
+env.Program('hello.c')
        </file>
        <file name="file.input">
-       file.input
+file.input
        </file>
        <file name="hello.c">
-       hello.c
+hello.c
        </file>
     </scons_example>
 
@@ -295,31 +295,31 @@ This functionality could be invoked as in the following example:
 
     <scons_example name="builderswriting_ex3">
        <file name="SConstruct">
-       env = Environment()
-       import os
-       env['ENV']['PATH'] = env['ENV']['PATH'] + os.pathsep + os.getcwd()
-       bld = Builder(action = 'foobuild &lt; $SOURCE &gt; $TARGET')
-       env.Append(BUILDERS = {'Foo' : bld})
-       env.Foo('file.foo', 'file.input')
-       env.Program('hello.c')
+env = Environment()
+import os
+env['ENV']['PATH'] = env['ENV']['PATH'] + os.pathsep + os.getcwd()
+bld = Builder(action = 'foobuild &lt; $SOURCE &gt; $TARGET')
+env.Append(BUILDERS = {'Foo' : bld})
+env.Foo('file.foo', 'file.input')
+env.Program('hello.c')
        </file>
        <file name="file.input">
-       file.input
+file.input
        </file>
        <file name="hello.c">
-       hello.c
+hello.c
        </file>
        <file name="foobuild" chmod="0755">
-       cat
+cat
        </file>
     </scons_example>
 
     <sconstruct>
-       env = Environment()
-       bld = Builder(action = 'foobuild &lt; $SOURCE &gt; $TARGET')
-       env.Append(BUILDERS = {'Foo' : bld})
-       env.Foo('file.foo', 'file.input')
-       env.Program('hello.c')
+env = Environment()
+bld = Builder(action = 'foobuild &lt; $SOURCE &gt; $TARGET')
+env.Append(BUILDERS = {'Foo' : bld})
+env.Foo('file.foo', 'file.input')
+env.Program('hello.c')
     </sconstruct>
 
     <para>
@@ -330,11 +330,11 @@ This functionality could be invoked as in the following example:
     </para>
 
     <sconstruct>
-       env = Environment()
-       bld = Builder(action = 'foobuild &lt; $SOURCE &gt; $TARGET')
-       env['BUILDERS']['Foo'] = bld
-       env.Foo('file.foo', 'file.input')
-       env.Program('hello.c')
+env = Environment()
+bld = Builder(action = 'foobuild &lt; $SOURCE &gt; $TARGET')
+env['BUILDERS']['Foo'] = bld
+env.Foo('file.foo', 'file.input')
+env.Program('hello.c')
     </sconstruct>
 
     <para>
@@ -374,33 +374,33 @@ This functionality could be invoked as in the following example:
 
     <scons_example name="builderswriting_ex4">
        <file name="SConstruct">
-       bld = Builder(action = 'foobuild &lt; $SOURCE &gt; $TARGET',
-                     suffix = '.foo',
-                     src_suffix = '.input')
-       env = Environment(BUILDERS = {'Foo' : bld})
-       import os
-       env['ENV']['PATH'] = env['ENV']['PATH'] + os.pathsep + os.getcwd()
-       env.Foo('file1')
-       env.Foo('file2')
+bld = Builder(action = 'foobuild &lt; $SOURCE &gt; $TARGET',
+              suffix = '.foo',
+              src_suffix = '.input')
+env = Environment(BUILDERS = {'Foo' : bld})
+import os
+env['ENV']['PATH'] = env['ENV']['PATH'] + os.pathsep + os.getcwd()
+env.Foo('file1')
+env.Foo('file2')
        </file>
        <file name="file1.input">
-       file1.input
+file1.input
        </file>
        <file name="file2.input">
-       file2.input
+file2.input
        </file>
        <file name="foobuild" chmod="0755">
-       cat
+cat
        </file>
     </scons_example>
 
     <sconstruct>
-       bld = Builder(action = 'foobuild &lt; $SOURCE &gt; $TARGET',
-                     suffix = '.foo',
-                     src_suffix = '.input')
-       env = Environment(BUILDERS = {'Foo' : bld})
-       env.Foo('file1')
-       env.Foo('file2')
+bld = Builder(action = 'foobuild &lt; $SOURCE &gt; $TARGET',
+              suffix = '.foo',
+              src_suffix = '.input')
+env = Environment(BUILDERS = {'Foo' : bld})
+env.Foo('file1')
+env.Foo('file2')
     </sconstruct>
 
     <scons_output example="builderswriting_ex4" suffix="1">
@@ -432,9 +432,9 @@ This functionality could be invoked as in the following example:
     </para>
 
     <programlisting>
-       def build_function(target, source, env):
-           # Code to build "target" from "source"
-           return None
+def build_function(target, source, env):
+    # Code to build "target" from "source"
+    return None
     </programlisting>
 
     <para>
@@ -521,17 +521,17 @@ This functionality could be invoked as in the following example:
 
     <scons_example name="builderswriting_ex5">
        <file name="SConstruct" printme="1">
-       def build_function(target, source, env):
-           # Code to build "target" from "source"
-           return None
-       bld = Builder(action = build_function,
-                     suffix = '.foo',
-                     src_suffix = '.input')
-       env = Environment(BUILDERS = {'Foo' : bld})
-       env.Foo('file')
+def build_function(target, source, env):
+    # Code to build "target" from "source"
+    return None
+bld = Builder(action = build_function,
+              suffix = '.foo',
+              src_suffix = '.input')
+env = Environment(BUILDERS = {'Foo' : bld})
+env.Foo('file')
        </file>
        <file name="file.input">
-       file.input
+file.input
        </file>
     </scons_example>
 
@@ -565,8 +565,8 @@ This functionality could be invoked as in the following example:
     </para>
 
     <programlisting>
-       def generate_actions(source, target, env, for_signature):
-           return 'foobuild &lt; %s &gt; %s' % (target[0], source[0])
+def generate_actions(source, target, env, for_signature):
+    return 'foobuild &lt; %s &gt; %s' % (target[0], source[0])
     </programlisting>
 
     <para>
@@ -668,32 +668,32 @@ This functionality could be invoked as in the following example:
 
     <scons_example name="builderswriting_ex6">
        <file name="SConstruct">
-       def generate_actions(source, target, env, for_signature):
-           return 'foobuild &lt; %s &gt; %s' % (source[0], target[0])
-       bld = Builder(generator = generate_actions,
-                     suffix = '.foo',
-                     src_suffix = '.input')
-       env = Environment(BUILDERS = {'Foo' : bld})
-       import os
-       env['ENV']['PATH'] = env['ENV']['PATH'] + os.pathsep + os.getcwd()
-       env.Foo('file')
+def generate_actions(source, target, env, for_signature):
+    return 'foobuild &lt; %s &gt; %s' % (source[0], target[0])
+bld = Builder(generator = generate_actions,
+              suffix = '.foo',
+              src_suffix = '.input')
+env = Environment(BUILDERS = {'Foo' : bld})
+import os
+env['ENV']['PATH'] = env['ENV']['PATH'] + os.pathsep + os.getcwd()
+env.Foo('file')
        </file>
        <file name="file.input">
-       file.input
+file.input
        </file>
        <file name="foobuild" chmod="0755">
-       cat
+cat
        </file>
     </scons_example>
 
     <sconstruct>
-       def generate_actions(source, target, env, for_signature):
-           return 'foobuild &lt; %s &gt; %s' % (source[0], target[0])
-       bld = Builder(generator = generate_actions,
-                     suffix = '.foo',
-                     src_suffix = '.input')
-       env = Environment(BUILDERS = {'Foo' : bld})
-       env.Foo('file')
+def generate_actions(source, target, env, for_signature):
+    return 'foobuild &lt; %s &gt; %s' % (source[0], target[0])
+bld = Builder(generator = generate_actions,
+              suffix = '.foo',
+              src_suffix = '.input')
+env = Environment(BUILDERS = {'Foo' : bld})
+env.Foo('file')
     </sconstruct>
 
     <scons_output example="builderswriting_ex6" suffix="1">
@@ -746,41 +746,41 @@ This functionality could be invoked as in the following example:
 
     <scons_example name="builderswriting_ex7">
        <file name="SConstruct">
-       def modify_targets(target, source, env):
-           target.append('new_target')
-           source.append('new_source')
-           return target, source
-       bld = Builder(action = 'foobuild $TARGETS - $SOURCES',
-                     suffix = '.foo',
-                     src_suffix = '.input',
-                     emitter = modify_targets)
-       env = Environment(BUILDERS = {'Foo' : bld})
-       import os
-       env['ENV']['PATH'] = env['ENV']['PATH'] + os.pathsep + os.getcwd()
-       env.Foo('file')
+def modify_targets(target, source, env):
+    target.append('new_target')
+    source.append('new_source')
+    return target, source
+bld = Builder(action = 'foobuild $TARGETS - $SOURCES',
+              suffix = '.foo',
+              src_suffix = '.input',
+              emitter = modify_targets)
+env = Environment(BUILDERS = {'Foo' : bld})
+import os
+env['ENV']['PATH'] = env['ENV']['PATH'] + os.pathsep + os.getcwd()
+env.Foo('file')
        </file>
        <file name="file.input">
-       file.input
+file.input
        </file>
        <file name="new_source">
-       new_source
+new_source
        </file>
        <file name="foobuild" chmod="0755">
-       cat
+cat
        </file>
     </scons_example>
 
     <sconstruct>
-       def modify_targets(target, source, env):
-           target.append('new_target')
-           source.append('new_source')
-           return target, source
-       bld = Builder(action = 'foobuild $TARGETS - $SOURCES',
-                     suffix = '.foo',
-                     src_suffix = '.input',
-                     emitter = modify_targets)
-       env = Environment(BUILDERS = {'Foo' : bld})
-       env.Foo('file')
+def modify_targets(target, source, env):
+    target.append('new_target')
+    source.append('new_source')
+    return target, source
+bld = Builder(action = 'foobuild $TARGETS - $SOURCES',
+              suffix = '.foo',
+              src_suffix = '.input',
+              emitter = modify_targets)
+env = Environment(BUILDERS = {'Foo' : bld})
+env.Foo('file')
     </sconstruct>
 
     <para>
@@ -812,57 +812,57 @@ This functionality could be invoked as in the following example:
     <scons_example name="builderswriting_MY_EMITTER">
 
       <file name="SConstruct" printme="1">
-        bld = Builder(action = 'my_command $SOURCES &gt; $TARGET',
-                      suffix = '.foo',
-                      src_suffix = '.input',
-                      emitter = '$MY_EMITTER')
-        def modify1(target, source, env):
-            return target, source + ['modify1.in']
-        def modify2(target, source, env):
-            return target, source + ['modify2.in']
-        env1 = Environment(BUILDERS = {'Foo' : bld},
-                           MY_EMITTER = modify1)
-        env2 = Environment(BUILDERS = {'Foo' : bld},
-                           MY_EMITTER = modify2)
-        env1.Foo('file1')
-        env2.Foo('file2')
-        import os
-        env1['ENV']['PATH'] = env2['ENV']['PATH'] + os.pathsep + os.getcwd()
-        env2['ENV']['PATH'] = env2['ENV']['PATH'] + os.pathsep + os.getcwd()
+bld = Builder(action = 'my_command $SOURCES &gt; $TARGET',
+              suffix = '.foo',
+              src_suffix = '.input',
+              emitter = '$MY_EMITTER')
+def modify1(target, source, env):
+    return target, source + ['modify1.in']
+def modify2(target, source, env):
+    return target, source + ['modify2.in']
+env1 = Environment(BUILDERS = {'Foo' : bld},
+                   MY_EMITTER = modify1)
+env2 = Environment(BUILDERS = {'Foo' : bld},
+                   MY_EMITTER = modify2)
+env1.Foo('file1')
+env2.Foo('file2')
+import os
+env1['ENV']['PATH'] = env2['ENV']['PATH'] + os.pathsep + os.getcwd()
+env2['ENV']['PATH'] = env2['ENV']['PATH'] + os.pathsep + os.getcwd()
         </file>
         <file name="file1.input">
-        file1.input
+file1.input
         </file>
         <file name="file2.input">
-        file2.input
+file2.input
         </file>
         <file name="modify1.in">
-        modify1.input
+modify1.input
         </file>
         <file name="modify2.in">
-        modify2.input
+modify2.input
         </file>
         <file name="my_command" chmod="0755">
-        cat
+cat
         </file>
 
     </scons_example>
 
     <sconstruct>
-      bld = Builder(action = 'my_command $SOURCES &gt; $TARGET',
-                    suffix = '.foo',
-                    src_suffix = '.input',
-                    emitter = '$MY_EMITTER')
-      def modify1(target, source, env):
-          return target, source + ['modify1.in']
-      def modify2(target, source, env):
-          return target, source + ['modify2.in']
-      env1 = Environment(BUILDERS = {'Foo' : bld},
-                         MY_EMITTER = modify1)
-      env2 = Environment(BUILDERS = {'Foo' : bld},
-                         MY_EMITTER = modify2)
-      env1.Foo('file1')
-      env2.Foo('file2')
+bld = Builder(action = 'my_command $SOURCES &gt; $TARGET',
+              suffix = '.foo',
+              src_suffix = '.input',
+              emitter = '$MY_EMITTER')
+def modify1(target, source, env):
+    return target, source + ['modify1.in']
+def modify2(target, source, env):
+    return target, source + ['modify2.in']
+env1 = Environment(BUILDERS = {'Foo' : bld},
+                   MY_EMITTER = modify1)
+env2 = Environment(BUILDERS = {'Foo' : bld},
+                   MY_EMITTER = modify2)
+env1.Foo('file1')
+env2.Foo('file2')
     </sconstruct>
 
     <para>
@@ -962,19 +962,19 @@ This functionality could be invoked as in the following example:
 
     <scons_example name="builderswriting_site1">
       <file name="site_scons/site_init.py" printme="1">
-        def TOOL_ADD_HEADER(env):
-           """A Tool to add a header from $HEADER to the source file"""
-           add_header = Builder(action=['echo "$HEADER" &gt; $TARGET',
-                                        'cat $SOURCE &gt;&gt; $TARGET'])
-           env.Append(BUILDERS = {'AddHeader' : add_header})
-           env['HEADER'] = '' # set default value
+def TOOL_ADD_HEADER(env):
+   """A Tool to add a header from $HEADER to the source file"""
+   add_header = Builder(action=['echo "$HEADER" &gt; $TARGET',
+                                'cat $SOURCE &gt;&gt; $TARGET'])
+   env.Append(BUILDERS = {'AddHeader' : add_header})
+   env['HEADER'] = '' # set default value
       </file>
       <file name="SConstruct">
-        env=Environment(tools=['default', TOOL_ADD_HEADER], HEADER="=====")
-        env.AddHeader('tgt', 'src')
+env=Environment(tools=['default', TOOL_ADD_HEADER], HEADER="=====")
+env.AddHeader('tgt', 'src')
       </file>
       <file name="src">
-        hi there
+hi there
       </file>
     </scons_example>
 
@@ -985,9 +985,9 @@ This functionality could be invoked as in the following example:
     </para>
 
     <sconstruct>
-        # Use TOOL_ADD_HEADER from site_scons/site_init.py
-        env=Environment(tools=['default', TOOL_ADD_HEADER], HEADER="=====")
-        env.AddHeader('tgt', 'src')
+# Use TOOL_ADD_HEADER from site_scons/site_init.py
+env=Environment(tools=['default', TOOL_ADD_HEADER], HEADER="=====")
+env.AddHeader('tgt', 'src')
     </sconstruct>
 
     <para>
@@ -1036,18 +1036,18 @@ This functionality could be invoked as in the following example:
       
     <scons_example name="builderswriting_site2">
       <file name="site_scons/my_utils.py" printme="1">
-        from SCons.Script import *   # for Execute and Mkdir
-        def build_id():
-           """Return a build ID (stub version)"""
-           return "100"
-        def MakeWorkDir(workdir):
-           """Create the specified dir immediately"""
-           Execute(Mkdir(workdir))
+from SCons.Script import *   # for Execute and Mkdir
+def build_id():
+   """Return a build ID (stub version)"""
+   return "100"
+def MakeWorkDir(workdir):
+   """Create the specified dir immediately"""
+   Execute(Mkdir(workdir))
       </file>
       <file name="SConscript">
-        import my_utils
-        MakeWorkDir('/tmp/work')
-        print "build_id=" + my_utils.build_id()
+import my_utils
+MakeWorkDir('/tmp/work')
+print "build_id=" + my_utils.build_id()
       </file>
     </scons_example>
 
@@ -1059,9 +1059,9 @@ This functionality could be invoked as in the following example:
     </para>
 
     <sconstruct>
-        import my_utils
-        print "build_id=" + my_utils.build_id()
-        my_utils.MakeWorkDir('/tmp/work')
+import my_utils
+print "build_id=" + my_utils.build_id()
+my_utils.MakeWorkDir('/tmp/work')
     </sconstruct>
 
     <para>
@@ -1074,7 +1074,7 @@ This functionality could be invoked as in the following example:
       than a &SConstruct; or &SConscript; you always need to do
     </para>
     <sconstruct>
-        from SCons.Script import *
+from SCons.Script import *
     </sconstruct>
 
     <para>
@@ -1112,12 +1112,12 @@ This functionality could be invoked as in the following example:
 
     <scons_example name="builderswriting_ex8">
        <file name="SConstruct" printme="1">
-       env = Environment()
-       #env.SourceCode('.', env.BitKeeper('my_command'))
-       env.Program('hello.c')
+env = Environment()
+#env.SourceCode('.', env.BitKeeper('my_command'))
+env.Program('hello.c')
        </file>
        <file name="hello.c">
-       hello.c
+hello.c
        </file>
     </scons_example>
 
diff --git a/doc/user/caching.xml b/doc/user/caching.xml
index 4e6dcf5..9c66c31 100644
--- a/doc/user/caching.xml
+++ b/doc/user/caching.xml
@@ -67,17 +67,17 @@
 
     <scons_example name="caching_ex1">
        <file name="SConstruct">
-       env = Environment()
-       env.Program('hello.c')
-       CacheDir('cache')
+env = Environment()
+env.Program('hello.c')
+CacheDir('cache')
        </file>
        <file name="hello.c">
-       hello.c
+hello.c
        </file>
        <directory name="cache">
        </directory>
        <file name="not_used" printme="1">
-       CacheDir('/usr/local/build_cache')
+CacheDir('/usr/local/build_cache')
        </file>
     </scons_example>
 
@@ -205,14 +205,14 @@
 
     <scons_example name="ex-NoCache">
        <file name="SConstruct" printme="1">
-       env = Environment()
-       obj = env.Object('hello.c')
-       env.Program('hello.c')
-       CacheDir('cache')
-       NoCache('hello.o')
+env = Environment()
+obj = env.Object('hello.c')
+env.Program('hello.c')
+CacheDir('cache')
+NoCache('hello.o')
        </file>
        <file name="hello.c">
-       hello.c
+hello.c
        </file>
        <directory name="cache">
        </directory>
@@ -241,15 +241,15 @@
     -->
 
     <screen>
-      % <userinput>scons -Q</userinput>
-      cc -o hello.o -c hello.c
-      cc -o hello hello.o
-      % <userinput>scons -Q -c</userinput>
-      Removed hello.o
-      Removed hello
-      % <userinput>scons -Q</userinput>
-      cc -o hello.o -c hello.c
-      Retrieved `hello' from cache
+% <userinput>scons -Q</userinput>
+cc -o hello.o -c hello.c
+cc -o hello hello.o
+% <userinput>scons -Q -c</userinput>
+Removed hello.o
+Removed hello
+% <userinput>scons -Q</userinput>
+cc -o hello.o -c hello.c
+Retrieved `hello' from cache
     </screen>
 
   </section>
@@ -367,8 +367,8 @@
 
     <scons_example name="caching_ex-random">
        <file name="SConstruct" printme="1">
-       Program('prog',
-               ['f1.c', 'f2.c', 'f3.c', 'f4.c', 'f5.c'])
+Program('prog',
+        ['f1.c', 'f2.c', 'f3.c', 'f4.c', 'f5.c'])
        </file>
        <file name="f1.c">f1.c</file>
        <file name="f2.c">f2.c</file>
@@ -424,20 +424,20 @@
       <scons_output_command>scons -Q - -random</scons_output_command>
     </scons_output>
 
-    We captured it directly here to guarantee a "random" order,
-    guarding against the potential for - -random to happen
-    to return things in the original sorted order.
+We captured it directly here to guarantee a "random" order,
+guarding against the potential for - -random to happen
+to return things in the original sorted order.
 
-    -->
+-->
 
     <screen>
-      % <userinput>scons -Q --random</userinput>
-      cc -o f3.o -c f3.c
-      cc -o f1.o -c f1.c
-      cc -o f5.o -c f5.c
-      cc -o f2.o -c f2.c
-      cc -o f4.o -c f4.c
-      cc -o prog f1.o f2.o f3.o f4.o f5.o
+  % <userinput>scons -Q --random</userinput>
+  cc -o f3.o -c f3.c
+  cc -o f1.o -c f1.c
+  cc -o f5.o -c f5.c
+  cc -o f2.o -c f2.c
+  cc -o f4.o -c f4.c
+  cc -o prog f1.o f2.o f3.o f4.o f5.o
     </screen>
 
     <para>
@@ -479,9 +479,9 @@
 
     <scons_example name="caching_ex-random">
        <file name="SConstruct" printme="1">
-       SetOption('random', 1)
-       Program('prog',
-               ['f1.c', 'f2.c', 'f3.c', 'f4.c', 'f5.c'])
+SetOption('random', 1)
+Program('prog',
+        ['f1.c', 'f2.c', 'f3.c', 'f4.c', 'f5.c'])
        </file>
        <file name="f1.c">f1.c</file>
        <file name="f2.c">f2.c</file>
diff --git a/doc/user/command-line.xml b/doc/user/command-line.xml
index a167eca..f410b3e 100644
--- a/doc/user/command-line.xml
+++ b/doc/user/command-line.xml
@@ -170,16 +170,16 @@
 
       <scons_example name="commandline_SCONSFLAGS">
         <file name="SConstruct">
-        def b(target, source, env):
-            pass
-        def s(target, source, env):
-            return "    ... [build output] ..."
-        a = Action(b, strfunction = s)
-        env = Environment(BUILDERS = {'A' : Builder(action=a)})
-        env.A('foo.out', 'foo.in')
+def b(target, source, env):
+    pass
+def s(target, source, env):
+    return "    ... [build output] ..."
+a = Action(b, strfunction = s)
+env = Environment(BUILDERS = {'A' : Builder(action=a)})
+env.A('foo.out', 'foo.in')
         </file>
         <file name="foo.in">
-        foo.in
+foo.in
         </file>
       </scons_example>
 
@@ -197,7 +197,7 @@
       </para>
 
       <screen>
-        $ <userinput>setenv SCONSFLAGS "-Q"</userinput>
+$ <userinput>setenv SCONSFLAGS "-Q"</userinput>
       </screen>
 
       <para>
@@ -244,8 +244,8 @@
       </para>
 
       <sconstruct>
-        if not GetOption('help'):
-            SConscript('src/SConscript', export='env')
+if not GetOption('help'):
+    SConscript('src/SConscript', export='env')
       </sconstruct>
 
       <para>
@@ -314,13 +314,13 @@
 
       <scons_example name="commandline_SetOption">
         <file name="SConstruct" printme="1">
-        import os
-        num_cpu = int(os.environ.get('NUM_CPU', 2))
-        SetOption('num_jobs', num_cpu)
-        print "running with -j", GetOption('num_jobs')
+import os
+num_cpu = int(os.environ.get('NUM_CPU', 2))
+SetOption('num_jobs', num_cpu)
+print "running with -j", GetOption('num_jobs')
         </file>
         <file name="foo.in">
-        foo.in
+foo.in
         </file>
       </scons_example>
 
@@ -628,21 +628,21 @@
 
       <scons_example name="commandline_AddOption">
         <file name="SConstruct" printme="1">
-        AddOption('--prefix',
-                  dest='prefix',
-                  type='string',
-                  nargs=1,
-                  action='store',
-                  metavar='DIR',
-                  help='installation prefix')
-
-        env = Environment(PREFIX = GetOption('prefix'))
-
-        installed_foo = env.Install('$PREFIX/usr/bin', 'foo.in')
-        Default(installed_foo)
+AddOption('--prefix',
+          dest='prefix',
+          type='string',
+          nargs=1,
+          action='store',
+          metavar='DIR',
+          help='installation prefix')
+
+env = Environment(PREFIX = GetOption('prefix'))
+
+installed_foo = env.Install('$PREFIX/usr/bin', 'foo.in')
+Default(installed_foo)
         </file>
         <file name="foo.in">
-        foo.in
+foo.in
         </file>
       </scons_example>
 
@@ -699,7 +699,7 @@
     </para>
 
     <screen>
-      % <userinput>scons -Q debug=1</userinput>
+% <userinput>scons -Q debug=1</userinput>
     </screen>
 
     <para>
@@ -733,14 +733,14 @@
 
     <scons_example name="commandline_ARGUMENTS">
        <file name="SConstruct" printme="1">
-       env = Environment()
-       debug = ARGUMENTS.get('debug', 0)
-       if int(debug):
-           env.Append(CCFLAGS = '-g')
-       env.Program('prog.c')
+env = Environment()
+debug = ARGUMENTS.get('debug', 0)
+if int(debug):
+    env.Append(CCFLAGS = '-g')
+env.Program('prog.c')
        </file>
        <file name="prog.c">
-       prog.c
+prog.c
        </file>
     </scons_example>
 
@@ -822,15 +822,15 @@
 
     <scons_example name="commandline_ARGLIST">
        <file name="SConstruct" printme="1">
-       cppdefines = []
-       for key, value in ARGLIST:
-           if key == 'define':
-               cppdefines.append(value)
-       env = Environment(CPPDEFINES = cppdefines)
-       env.Object('prog.c')
+cppdefines = []
+for key, value in ARGLIST:
+    if key == 'define':
+        cppdefines.append(value)
+env = Environment(CPPDEFINES = cppdefines)
+env.Object('prog.c')
        </file>
        <file name="prog.c">
-       prog.c
+prog.c
        </file>
     </scons_example>
 
@@ -907,17 +907,17 @@
 
       <scons_example name="commandline_Variables1">
         <file name="SConstruct" printme="1">
-           vars = Variables(None, ARGUMENTS)
-           vars.Add('RELEASE', 'Set to 1 to build for release', 0)
-           env = Environment(variables = vars,
-                             CPPDEFINES={'RELEASE_BUILD' : '${RELEASE}'})
-           env.Program(['foo.c', 'bar.c'])
+vars = Variables(None, ARGUMENTS)
+vars.Add('RELEASE', 'Set to 1 to build for release', 0)
+env = Environment(variables = vars,
+                  CPPDEFINES={'RELEASE_BUILD' : '${RELEASE}'})
+env.Program(['foo.c', 'bar.c'])
         </file>
         <file name="foo.c">
-        foo.c
+foo.c
         </file>
         <file name="bar.c">
-        bar.c
+bar.c
         </file>
       </scons_example>
 
@@ -998,10 +998,10 @@
 
       <scons_example name="commandline_Variables_Help">
         <file name="SConstruct" printme="1">
-           vars = Variables(None, ARGUMENTS)
-           vars.Add('RELEASE', 'Set to 1 to build for release', 0)
-           env = Environment(variables = vars)
-           Help(vars.GenerateHelpText(env))
+vars = Variables(None, ARGUMENTS)
+vars.Add('RELEASE', 'Set to 1 to build for release', 0)
+env = Environment(variables = vars)
+Help(vars.GenerateHelpText(env))
         </file>
       </scons_example>
 
@@ -1045,21 +1045,21 @@
 
       <scons_example name="commandline_Variables_custom_py_1">
         <file name="SConstruct" printme="1">
-           vars = Variables('custom.py')
-           vars.Add('RELEASE', 'Set to 1 to build for release', 0)
-           env = Environment(variables = vars,
-                             CPPDEFINES={'RELEASE_BUILD' : '${RELEASE}'})
-           env.Program(['foo.c', 'bar.c'])
-           Help(vars.GenerateHelpText(env))
+vars = Variables('custom.py')
+vars.Add('RELEASE', 'Set to 1 to build for release', 0)
+env = Environment(variables = vars,
+                  CPPDEFINES={'RELEASE_BUILD' : '${RELEASE}'})
+env.Program(['foo.c', 'bar.c'])
+Help(vars.GenerateHelpText(env))
         </file>
         <file name="foo.c">
-        foo.c
+foo.c
         </file>
         <file name="bar.c">
-        bar.c
+bar.c
         </file>
         <file name="custom.py">
-        RELEASE = 1
+RELEASE = 1
         </file>
       </scons_example>
 
@@ -1092,21 +1092,21 @@
 
       <scons_example name="commandline_Variables_custom_py_2">
         <file name="SConstruct">
-           vars = Variables('custom.py')
-           vars.Add('RELEASE', 'Set to 1 to build for release', 0)
-           env = Environment(variables = vars,
-                             CPPDEFINES={'RELEASE_BUILD' : '${RELEASE}'})
-           env.Program(['foo.c', 'bar.c'])
-           Help(vars.GenerateHelpText(env))
+   vars = Variables('custom.py')
+   vars.Add('RELEASE', 'Set to 1 to build for release', 0)
+   env = Environment(variables = vars,
+                     CPPDEFINES={'RELEASE_BUILD' : '${RELEASE}'})
+   env.Program(['foo.c', 'bar.c'])
+   Help(vars.GenerateHelpText(env))
         </file>
         <file name="foo.c">
-        foo.c
+foo.c
         </file>
         <file name="bar.c">
-        bar.c
+bar.c
         </file>
         <file name="custom.py" printme="1">
-        RELEASE = 0
+RELEASE = 0
         </file>
       </scons_example>
 
@@ -1128,7 +1128,7 @@
       </para>
 
       <screen>
-        vars = Variables('custom.py', ARGUMENTS)
+vars = Variables('custom.py', ARGUMENTS)
       </screen>
 
       <para>
@@ -1182,14 +1182,14 @@
 
         <scons_example name="commandline_BoolVariable">
           <file name="SConstruct" printme="1">
-             vars = Variables('custom.py')
-             vars.Add(BoolVariable('RELEASE', 'Set to build for release', 0))
-             env = Environment(variables = vars,
-                               CPPDEFINES={'RELEASE_BUILD' : '${RELEASE}'})
-             env.Program('foo.c')
+vars = Variables('custom.py')
+vars.Add(BoolVariable('RELEASE', 'Set to build for release', 0))
+env = Environment(variables = vars,
+                  CPPDEFINES={'RELEASE_BUILD' : '${RELEASE}'})
+env.Program('foo.c')
           </file>
           <file name="foo.c">
-          foo.c
+foo.c
           </file>
         </scons_example>
 
@@ -1286,15 +1286,15 @@
 
         <scons_example name="commandline_EnumVariable">
           <file name="SConstruct" printme="1">
-             vars = Variables('custom.py')
-             vars.Add(EnumVariable('COLOR', 'Set background color', 'red',
-                                 allowed_values=('red', 'green', 'blue')))
-             env = Environment(variables = vars,
-                               CPPDEFINES={'COLOR' : '"${COLOR}"'})
-             env.Program('foo.c')
+vars = Variables('custom.py')
+vars.Add(EnumVariable('COLOR', 'Set background color', 'red',
+                    allowed_values=('red', 'green', 'blue')))
+env = Environment(variables = vars,
+                  CPPDEFINES={'COLOR' : '"${COLOR}"'})
+env.Program('foo.c')
           </file>
           <file name="foo.c">
-          foo.c
+foo.c
           </file>
         </scons_example>
 
@@ -1340,16 +1340,16 @@
 
         <scons_example name="EnumVariable_map">
           <file name="SConstruct" printme="1">
-             vars = Variables('custom.py')
-             vars.Add(EnumVariable('COLOR', 'Set background color', 'red',
-                                 allowed_values=('red', 'green', 'blue'),
-                                 map={'navy':'blue'}))
-             env = Environment(variables = vars,
-                               CPPDEFINES={'COLOR' : '"${COLOR}"'})
-             env.Program('foo.c')
+vars = Variables('custom.py')
+vars.Add(EnumVariable('COLOR', 'Set background color', 'red',
+                    allowed_values=('red', 'green', 'blue'),
+                    map={'navy':'blue'}))
+env = Environment(variables = vars,
+                  CPPDEFINES={'COLOR' : '"${COLOR}"'})
+env.Program('foo.c')
           </file>
           <file name="foo.c">
-          foo.c
+foo.c
           </file>
         </scons_example>
 
@@ -1395,17 +1395,17 @@
 
         <scons_example name="commandline_EnumVariable_ic1">
           <file name="SConstruct" printme="1">
-             vars = Variables('custom.py')
-             vars.Add(EnumVariable('COLOR', 'Set background color', 'red',
-                                 allowed_values=('red', 'green', 'blue'),
-                                 map={'navy':'blue'},
-                                 ignorecase=1))
-             env = Environment(variables = vars,
-                               CPPDEFINES={'COLOR' : '"${COLOR}"'})
-             env.Program('foo.c')
+vars = Variables('custom.py')
+vars.Add(EnumVariable('COLOR', 'Set background color', 'red',
+                    allowed_values=('red', 'green', 'blue'),
+                    map={'navy':'blue'},
+                    ignorecase=1))
+env = Environment(variables = vars,
+                  CPPDEFINES={'COLOR' : '"${COLOR}"'})
+env.Program('foo.c')
           </file>
           <file name="foo.c">
-          foo.c
+foo.c
           </file>
         </scons_example>
 
@@ -1435,17 +1435,17 @@
 
         <scons_example name="commandline_EnumVariable_ic2">
           <file name="SConstruct" printme="1">
-             vars = Variables('custom.py')
-             vars.Add(EnumVariable('COLOR', 'Set background color', 'red',
-                                 allowed_values=('red', 'green', 'blue'),
-                                 map={'navy':'blue'},
-                                 ignorecase=2))
-             env = Environment(variables = vars,
-                               CPPDEFINES={'COLOR' : '"${COLOR}"'})
-             env.Program('foo.c')
+vars = Variables('custom.py')
+vars.Add(EnumVariable('COLOR', 'Set background color', 'red',
+                    allowed_values=('red', 'green', 'blue'),
+                    map={'navy':'blue'},
+                    ignorecase=2))
+env = Environment(variables = vars,
+                  CPPDEFINES={'COLOR' : '"${COLOR}"'})
+env.Program('foo.c')
           </file>
           <file name="foo.c">
-          foo.c
+foo.c
           </file>
         </scons_example>
 
@@ -1484,15 +1484,15 @@
 
         <scons_example name="commandline_ListVariable">
           <file name="SConstruct" printme="1">
-             vars = Variables('custom.py')
-             vars.Add(ListVariable('COLORS', 'List of colors', 0,
-                                 ['red', 'green', 'blue']))
-             env = Environment(variables = vars,
-                               CPPDEFINES={'COLORS' : '"${COLORS}"'})
-             env.Program('foo.c')
+vars = Variables('custom.py')
+vars.Add(ListVariable('COLORS', 'List of colors', 0,
+                    ['red', 'green', 'blue']))
+env = Environment(variables = vars,
+                  CPPDEFINES={'COLORS' : '"${COLORS}"'})
+env.Program('foo.c')
           </file>
           <file name="foo.c">
-          foo.c
+foo.c
           </file>
         </scons_example>
 
@@ -1555,22 +1555,22 @@
 
         <scons_example name="commandline_PathVariable">
           <file name="SConstruct" printme="1">
-             vars = Variables('custom.py')
-             vars.Add(PathVariable('CONFIG',
-                                 'Path to configuration file',
-                                 '__ROOT__/etc/my_config'))
-             env = Environment(variables = vars,
-                               CPPDEFINES={'CONFIG_FILE' : '"$CONFIG"'})
-             env.Program('foo.c')
+vars = Variables('custom.py')
+vars.Add(PathVariable('CONFIG',
+                    'Path to configuration file',
+                    '__ROOT__/etc/my_config'))
+env = Environment(variables = vars,
+                  CPPDEFINES={'CONFIG_FILE' : '"$CONFIG"'})
+env.Program('foo.c')
           </file>
           <file name="foo.c">
-          foo.c
+foo.c
           </file>
           <file name="__ROOT__/etc/my_config">
-          /opt/location
+/opt/location
           </file>
           <file name="__ROOT__/usr/local/etc/other_config">
-          /opt/location
+/opt/location
           </file>
         </scons_example>
 
@@ -1611,20 +1611,20 @@
 
         <scons_example name="commandline_PathIsFile">
           <file name="SConstruct" printme="1">
-             vars = Variables('custom.py')
-             vars.Add(PathVariable('CONFIG',
-                                 'Path to configuration file',
-                                 '__ROOT__/etc/my_config',
-                                 PathVariable.PathIsFile))
-             env = Environment(variables = vars,
-                               CPPDEFINES={'CONFIG_FILE' : '"$CONFIG"'})
-             env.Program('foo.c')
+vars = Variables('custom.py')
+vars.Add(PathVariable('CONFIG',
+                    'Path to configuration file',
+                    '__ROOT__/etc/my_config',
+                    PathVariable.PathIsFile))
+env = Environment(variables = vars,
+                  CPPDEFINES={'CONFIG_FILE' : '"$CONFIG"'})
+env.Program('foo.c')
           </file>
           <file name="foo.c">
-          foo.c
+foo.c
           </file>
           <file name="__ROOT__/etc/my_config">
-          /opt/location
+/opt/location
           </file>
         </scons_example>
 
@@ -1638,20 +1638,20 @@
 
         <scons_example name="commandline_PathIsDir">
           <file name="SConstruct" printme="1">
-             vars = Variables('custom.py')
-             vars.Add(PathVariable('DBDIR',
-                                 'Path to database directory',
-                                 '__ROOT__/var/my_dbdir',
-                                 PathVariable.PathIsDir))
-             env = Environment(variables = vars,
-                               CPPDEFINES={'DBDIR' : '"$DBDIR"'})
-             env.Program('foo.c')
+vars = Variables('custom.py')
+vars.Add(PathVariable('DBDIR',
+                    'Path to database directory',
+                    '__ROOT__/var/my_dbdir',
+                    PathVariable.PathIsDir))
+env = Environment(variables = vars,
+                  CPPDEFINES={'DBDIR' : '"$DBDIR"'})
+env.Program('foo.c')
           </file>
           <file name="foo.c">
-          foo.c
+foo.c
           </file>
           <file name="__ROOT__/var/my_dbdir">
-          /opt/location
+/opt/location
           </file>
         </scons_example>
 
@@ -1667,20 +1667,20 @@
 
         <scons_example name="commandline_PathIsDirCreate">
           <file name="SConstruct" printme="1">
-             vars = Variables('custom.py')
-             vars.Add(PathVariable('DBDIR',
-                                 'Path to database directory',
-                                 '__ROOT__/var/my_dbdir',
-                                 PathVariable.PathIsDirCreate))
-             env = Environment(variables = vars,
-                               CPPDEFINES={'DBDIR' : '"$DBDIR"'})
-             env.Program('foo.c')
+vars = Variables('custom.py')
+vars.Add(PathVariable('DBDIR',
+                    'Path to database directory',
+                    '__ROOT__/var/my_dbdir',
+                    PathVariable.PathIsDirCreate))
+env = Environment(variables = vars,
+                  CPPDEFINES={'DBDIR' : '"$DBDIR"'})
+env.Program('foo.c')
           </file>
           <file name="foo.c">
-          foo.c
+foo.c
           </file>
           <file name="__ROOT__/var/my_dbdir">
-          /opt/location
+/opt/location
           </file>
         </scons_example>
 
@@ -1695,17 +1695,17 @@
 
         <scons_example name="commandline_PathAccept">
           <file name="SConstruct" printme="1">
-             vars = Variables('custom.py')
-             vars.Add(PathVariable('OUTPUT',
-                                 'Path to output file or directory',
-                                 None,
-                                 PathVariable.PathAccept))
-             env = Environment(variables = vars,
-                               CPPDEFINES={'OUTPUT' : '"$OUTPUT"'})
-             env.Program('foo.c')
+vars = Variables('custom.py')
+vars.Add(PathVariable('OUTPUT',
+                    'Path to output file or directory',
+                    None,
+                    PathVariable.PathAccept))
+env = Environment(variables = vars,
+                  CPPDEFINES={'OUTPUT' : '"$OUTPUT"'})
+env.Program('foo.c')
           </file>
           <file name="foo.c">
-          foo.c
+foo.c
           </file>
         </scons_example>
 
@@ -1730,22 +1730,22 @@
 
         <scons_example name="commandline_PackageVariable">
           <file name="SConstruct" printme="1">
-             vars = Variables('custom.py')
-             vars.Add(PackageVariable('PACKAGE',
-                                    'Location package',
-                                    '__ROOT__/opt/location'))
-             env = Environment(variables = vars,
-                               CPPDEFINES={'PACKAGE' : '"$PACKAGE"'})
-             env.Program('foo.c')
+vars = Variables('custom.py')
+vars.Add(PackageVariable('PACKAGE',
+                       'Location package',
+                       '__ROOT__/opt/location'))
+env = Environment(variables = vars,
+                  CPPDEFINES={'PACKAGE' : '"$PACKAGE"'})
+env.Program('foo.c')
           </file>
           <file name="foo.c">
-          foo.c
+foo.c
           </file>
           <file name="__ROOT__/opt/location">
-          /opt/location
+/opt/location
           </file>
           <file name="__ROOT__/usr/local/location">
-          /opt/location
+/opt/location
           </file>
         </scons_example>
 
@@ -1796,23 +1796,23 @@
 
       <scons_example name="commandline_AddVariables_1">
         <file name="SConstruct" printme="1">
-          vars = Variables()
-          vars.AddVariables(
-              ('RELEASE', 'Set to 1 to build for release', 0),
-              ('CONFIG', 'Configuration file', '/etc/my_config'),
-              BoolVariable('warnings', 'compilation with -Wall and similiar', 1),
-              EnumVariable('debug', 'debug output and symbols', 'no',
-                         allowed_values=('yes', 'no', 'full'),
-                         map={}, ignorecase=0),  # case sensitive
-              ListVariable('shared',
-                         'libraries to build as shared libraries',
-                         'all',
-                         names = list_of_libs),
-              PackageVariable('x11',
-                            'use X11 installed here (yes = search some places)',
-                            'yes'),
-              PathVariable('qtdir', 'where the root of Qt is installed', qtdir),
-          )
+vars = Variables()
+vars.AddVariables(
+    ('RELEASE', 'Set to 1 to build for release', 0),
+    ('CONFIG', 'Configuration file', '/etc/my_config'),
+    BoolVariable('warnings', 'compilation with -Wall and similiar', 1),
+    EnumVariable('debug', 'debug output and symbols', 'no',
+               allowed_values=('yes', 'no', 'full'),
+               map={}, ignorecase=0),  # case sensitive
+    ListVariable('shared',
+               'libraries to build as shared libraries',
+               'all',
+               names = list_of_libs),
+    PackageVariable('x11',
+                  'use X11 installed here (yes = search some places)',
+                  'yes'),
+    PathVariable('qtdir', 'where the root of Qt is installed', qtdir),
+)
         </file>
       </scons_example>
 
@@ -1857,18 +1857,18 @@
 
       <scons_example name="commandline_UnknownVariables">
         <file name="SConstruct" printme="1">
-           vars = Variables(None)
-           vars.Add('RELEASE', 'Set to 1 to build for release', 0)
-           env = Environment(variables = vars,
-                             CPPDEFINES={'RELEASE_BUILD' : '${RELEASE}'})
-           unknown = vars.UnknownVariables()
-           if unknown:
-               print "Unknown variables:", unknown.keys()
-               Exit(1)
-           env.Program('foo.c')
+vars = Variables(None)
+vars.Add('RELEASE', 'Set to 1 to build for release', 0)
+env = Environment(variables = vars,
+                  CPPDEFINES={'RELEASE_BUILD' : '${RELEASE}'})
+unknown = vars.UnknownVariables()
+if unknown:
+    print "Unknown variables:", unknown.keys()
+    Exit(1)
+env.Program('foo.c')
         </file>
         <file name="foo.c">
-        foo.c
+foo.c
         </file>
       </scons_example>
 
@@ -1944,16 +1944,16 @@
 
       <scons_example name="commandline_COMMAND_LINE_TARGETS">
         <file name="SConstruct" printme="1">
-        if 'bar' in COMMAND_LINE_TARGETS:
-            print "Don't forget to copy `bar' to the archive!"
-        Default(Program('foo.c'))
-        Program('bar.c')
+if 'bar' in COMMAND_LINE_TARGETS:
+    print "Don't forget to copy `bar' to the archive!"
+Default(Program('foo.c'))
+Program('bar.c')
         </file>
         <file name="foo.c">
-        foo.c
+foo.c
         </file>
         <file name="bar.c">
-        foo.c
+foo.c
         </file>
       </scons_example>
 
@@ -2006,16 +2006,16 @@
 
       <scons_example name="commandline_Default1">
          <file name="SConstruct" printme="1">
-         env = Environment()
-         hello = env.Program('hello.c')
-         env.Program('goodbye.c')
-         Default(hello)
+env = Environment()
+hello = env.Program('hello.c')
+env.Program('goodbye.c')
+Default(hello)
          </file>
          <file name="hello.c">
-         hello.c
+hello.c
          </file>
          <file name="goodbye.c">
-         goodbye.c
+goodbye.c
          </file>
       </scons_example>
 
@@ -2060,21 +2060,21 @@
 
       <scons_example name="commandline_Default2">
          <file name="SConstruct" printme="1">
-         env = Environment()
-         prog1 = env.Program('prog1.c')
-         Default(prog1)
-         prog2 = env.Program('prog2.c')
-         prog3 = env.Program('prog3.c')
-         Default(prog3)
+env = Environment()
+prog1 = env.Program('prog1.c')
+Default(prog1)
+prog2 = env.Program('prog2.c')
+prog3 = env.Program('prog3.c')
+Default(prog3)
          </file>
          <file name="prog1.c">
-         prog1.c
+prog1.c
          </file>
          <file name="prog2.c">
-         prog2.c
+prog2.c
          </file>
          <file name="prog3.c">
-         prog3.c
+prog3.c
          </file>
       </scons_example>
 
@@ -2086,11 +2086,11 @@
       </para>
 
       <programlisting>
-         env = Environment()
-         prog1 = env.Program('prog1.c')
-         prog2 = env.Program('prog2.c')
-         prog3 = env.Program('prog3.c')
-         Default(prog1, prog3)
+env = Environment()
+prog1 = env.Program('prog1.c')
+prog2 = env.Program('prog2.c')
+prog3 = env.Program('prog3.c')
+Default(prog1, prog3)
       </programlisting>
 
       <para>
@@ -2118,24 +2118,24 @@
 
       <scons_example name="commandline_Default3">
          <file name="SConstruct" printme="1">
-         env = Environment()
-         env.Program(['prog1/main.c', 'prog1/foo.c'])
-         env.Program(['prog2/main.c', 'prog2/bar.c'])
-         Default('prog1')
+env = Environment()
+env.Program(['prog1/main.c', 'prog1/foo.c'])
+env.Program(['prog2/main.c', 'prog2/bar.c'])
+Default('prog1')
          </file>
          <directory name="prog1"></directory>
          <directory name="prog2"></directory>
          <file name="prog1/main.c">
-         int main() { printf("prog1/main.c\n"); }
+int main() { printf("prog1/main.c\n"); }
          </file>
          <file name="prog1/foo.c">
-         int foo() { printf("prog1/foo.c\n"); }
+int foo() { printf("prog1/foo.c\n"); }
          </file>
          <file name="prog2/main.c">
-         int main() { printf("prog2/main.c\n"); }
+int main() { printf("prog2/main.c\n"); }
          </file>
          <file name="prog2/bar.c">
-         int bar() { printf("prog2/bar.c\n"); }
+int bar() { printf("prog2/bar.c\n"); }
          </file>
       </scons_example>
 
@@ -2163,16 +2163,16 @@
 
       <scons_example name="commandline_Default4">
          <file name="SConstruct" printme="1">
-         env = Environment()
-         prog1 = env.Program('prog1.c')
-         prog2 = env.Program('prog2.c')
-         Default(None)
+env = Environment()
+prog1 = env.Program('prog1.c')
+prog2 = env.Program('prog2.c')
+Default(None)
          </file>
          <file name="prog1.c">
-         prog1.c
+prog1.c
          </file>
          <file name="prog2.c">
-         prog2.c
+prog2.c
          </file>
       </scons_example>
 
@@ -2208,12 +2208,12 @@
 
         <scons_example name="commandline_DEFAULT_TARGETS_1">
            <file name="SConstruct" printme="1">
-           prog1 = Program('prog1.c')
-           Default(prog1)
-           print "DEFAULT_TARGETS is", map(str, DEFAULT_TARGETS)
+prog1 = Program('prog1.c')
+Default(prog1)
+print "DEFAULT_TARGETS is", map(str, DEFAULT_TARGETS)
            </file>
            <file name="prog1.c">
-           prog1.c
+prog1.c
            </file>
         </scons_example>
 
@@ -2242,18 +2242,18 @@
 
         <scons_example name="commandline_DEFAULT_TARGETS_2">
            <file name="SConstruct" printme="1">
-           prog1 = Program('prog1.c')
-           Default(prog1)
-           print "DEFAULT_TARGETS is now", map(str, DEFAULT_TARGETS)
-           prog2 = Program('prog2.c')
-           Default(prog2)
-           print "DEFAULT_TARGETS is now", map(str, DEFAULT_TARGETS)
+prog1 = Program('prog1.c')
+Default(prog1)
+print "DEFAULT_TARGETS is now", map(str, DEFAULT_TARGETS)
+prog2 = Program('prog2.c')
+Default(prog2)
+print "DEFAULT_TARGETS is now", map(str, DEFAULT_TARGETS)
            </file>
            <file name="prog1.c">
-           prog1.c
+prog1.c
            </file>
            <file name="prog2.c">
-           prog2.c
+prog2.c
            </file>
         </scons_example>
 
@@ -2304,10 +2304,10 @@
       </para>
 
       <sconstruct>
-        if COMMAND_LINE_TARGETS:
-            targets = COMMAND_LINE_TARGETS
-        else:
-            targets = DEFAULT_TARGETS
+if COMMAND_LINE_TARGETS:
+    targets = COMMAND_LINE_TARGETS
+else:
+    targets = DEFAULT_TARGETS
       </sconstruct>
 
       <para>
@@ -2335,16 +2335,16 @@
 
       <scons_example name="commandline_BUILD_TARGETS_1">
         <file name="SConstruct" printme="1">
-        prog1 = Program('prog1.c')
-        Program('prog2.c')
-        Default(prog1)
-        print "BUILD_TARGETS is", map(str, BUILD_TARGETS)
+prog1 = Program('prog1.c')
+Program('prog2.c')
+Default(prog1)
+print "BUILD_TARGETS is", map(str, BUILD_TARGETS)
         </file>
         <file name="prog1.c">
-        prog1.c
+prog1.c
         </file>
         <file name="prog2.c">
-        prog2.c
+prog2.c
         </file>
       </scons_example>
 
diff --git a/doc/user/depends.xml b/doc/user/depends.xml
index d252544..a5639a1 100644
--- a/doc/user/depends.xml
+++ b/doc/user/depends.xml
@@ -60,11 +60,11 @@
 
   <scons_example name="depends_ex1">
     <file name="SConstruct">
-    Program('hello.c')
+Program('hello.c')
     </file>
     <file name="hello.c">
-    int main() { printf("Hello, world!\n"); }
-    </file>
+int main() { printf("Hello, world!\n"); }
+</file>
   </scons_example>
 
   <scons_output example="depends_ex1" os="posix" suffix="1">
@@ -173,8 +173,8 @@
       </para>
 
       <sconstruct>
-        Program('hello.c')
-        Decider('MD5')
+Program('hello.c')
+Decider('MD5')
       </sconstruct>
 
       <para>
@@ -270,11 +270,11 @@
 
       <scons_example name="depends_newer">
         <file name="SConstruct" printme="1">
-        Object('hello.c')
-        Decider('timestamp-newer')
+Object('hello.c')
+Decider('timestamp-newer')
         </file>
         <file name="hello.c">
-        int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
         </file>
       </scons_example>
 
@@ -303,8 +303,8 @@
       </para>
 
       <sconstruct>
-        Object('hello.c')
-        Decider('make')
+Object('hello.c')
+Decider('make')
       </sconstruct>
 
       <para>
@@ -339,11 +339,11 @@
 
       <scons_example name="depends_match">
         <file name="SConstruct" printme="1">
-        Object('hello.c')
-        Decider('timestamp-match')
+Object('hello.c')
+Decider('timestamp-match')
         </file>
         <file name="hello.c">
-        int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
         </file>
       </scons_example>
 
@@ -398,11 +398,11 @@
 
       <scons_example name="depends_MD5-timestamp">
         <file name="SConstruct" printme="1">
-        Program('hello.c')
-        Decider('MD5-timestamp')
+Program('hello.c')
+Decider('MD5-timestamp')
         </file>
         <file name="hello.c">
-        int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
         </file>
       </scons_example>
 
@@ -431,17 +431,17 @@
       -->
 
       <screen>
-         % <userinput>scons -Q hello</userinput>
-         cc -o hello.o -c hello.c
-         cc -o hello hello.o
-         % <userinput>touch hello.c</userinput>
-         % <userinput>scons -Q hello</userinput>
-         scons: `hello' is up to date.
-         % <userinput>edit hello.c</userinput>
-             [CHANGE THE CONTENTS OF hello.c]
-         % <userinput>scons -Q hello</userinput>
-         cc -o hello.o -c hello.c
-         cc -o hello hello.o
+% <userinput>scons -Q hello</userinput>
+cc -o hello.o -c hello.c
+cc -o hello hello.o
+% <userinput>touch hello.c</userinput>
+% <userinput>scons -Q hello</userinput>
+scons: `hello' is up to date.
+% <userinput>edit hello.c</userinput>
+    [CHANGE THE CONTENTS OF hello.c]
+% <userinput>scons -Q hello</userinput>
+cc -o hello.o -c hello.c
+cc -o hello hello.o
       </screen>
 
       <para>
@@ -516,18 +516,18 @@
 
       <scons_example name="depends_function">
         <file name="SConstruct" printme="1">
-        Program('hello.c')
-        def decide_if_changed(dependency, target, prev_ni):
-            if self.get_timestamp() != prev_ni.timestamp:
-                dep = str(dependency)
-                tgt = str(target)
-                if specific_part_of_file_has_changed(dep, tgt):
-                    return True
-            return False
-        Decider(decide_if_changed)
+Program('hello.c')
+def decide_if_changed(dependency, target, prev_ni):
+    if self.get_timestamp() != prev_ni.timestamp:
+        dep = str(dependency)
+        tgt = str(target)
+        if specific_part_of_file_has_changed(dep, tgt):
+            return True
+    return False
+Decider(decide_if_changed)
         </file>
         <file name="hello.c">
-        int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
         </file>
       </scons_example>
 
@@ -635,35 +635,35 @@
       </para>
 
       <sconstruct>
-        env = Environment()
-        
-        def config_file_decider(dependency, target, prev_ni):
-            import os.path
-        
-            # We always have to init the .csig value...
-            dep_csig = dependency.get_csig()
-            # .csig may not exist, because no target was built yet...
-            if 'csig' not in dir(prev_ni):
-                return True
-            # Target file may not exist yet
-            if not os.path.exists(str(target.abspath)):
-                return True
-            if dep_csig != prev_ni.csig:
-                # Some change on source file => update installed one
-                return True
-            return False
-        
-        def update_file():
-            f = open("test.txt","a")
-            f.write("some line\n")
-            f.close()
-            
-        update_file()
-        
-        # Activate our own decider function
-        env.Decider(config_file_decider)
-        
-        env.Install("install","test.txt")
+env = Environment()
+
+def config_file_decider(dependency, target, prev_ni):
+    import os.path
+
+    # We always have to init the .csig value...
+    dep_csig = dependency.get_csig()
+    # .csig may not exist, because no target was built yet...
+    if 'csig' not in dir(prev_ni):
+        return True
+    # Target file may not exist yet
+    if not os.path.exists(str(target.abspath)):
+        return True
+    if dep_csig != prev_ni.csig:
+        # Some change on source file => update installed one
+        return True
+    return False
+
+def update_file():
+    f = open("test.txt","a")
+    f.write("some line\n")
+    f.close()
+
+update_file()
+
+# Activate our own decider function
+env.Decider(config_file_decider)
+
+env.Install("install","test.txt")
       </sconstruct>
 
     </section>
@@ -698,22 +698,22 @@
 
       <scons_example name="depends_mixing">
         <file name="SConstruct" printme="1">
-        env1 = Environment(CPPPATH = ['.'])
-        env2 = env1.Clone()
-        env2.Decider('timestamp-match')
-        env1.Program('prog-MD5', 'program1.c')
-        env2.Program('prog-timestamp', 'program2.c')
+env1 = Environment(CPPPATH = ['.'])
+env2 = env1.Clone()
+env2.Decider('timestamp-match')
+env1.Program('prog-MD5', 'program1.c')
+env2.Program('prog-timestamp', 'program2.c')
         </file>
         <file name="program1.c">
-        #include "inc.h"
-        int main() { printf("Hello, world!\n"); }
+#include "inc.h"
+int main() { printf("Hello, world!\n"); }
         </file>
         <file name="program2.c">
-        #include "inc.h"
-        int main() { printf("Hello, world!\n"); }
+#include "inc.h"
+int main() { printf("Hello, world!\n"); }
         </file>
         <file name="inc.h">
-        #define INC     1
+#define INC     1
         </file>
       </scons_example>
 
@@ -771,8 +771,8 @@
       </para>
 
       <sconstruct>
-        Program('hello.c')
-        SourceSignatures('MD5')
+Program('hello.c')
+SourceSignatures('MD5')
       </sconstruct>
 
       <para>
@@ -782,8 +782,8 @@
       </para>
 
       <sconstruct>
-        Program('hello.c')
-        SourceSignatures('timestamp')
+Program('hello.c')
+SourceSignatures('timestamp')
       </sconstruct>
 
       <para>
@@ -839,8 +839,8 @@
       </para>
 
       <sconstruct>
-        Program('hello.c')
-        TargetSignatures('MD5')
+Program('hello.c')
+TargetSignatures('MD5')
       </sconstruct>
 
       <para>
@@ -853,8 +853,8 @@
       </para>
 
       <sconstruct>
-        Program('hello.c')
-        TargetSignatures('timestamp')
+Program('hello.c')
+TargetSignatures('timestamp')
       </sconstruct>
 
       <para>
@@ -882,9 +882,9 @@
       </para>
 
       <sconstruct>
-        Program('hello.c')
-        TargetSignatures('source')
-        SourceSignatures('timestamp')
+Program('hello.c')
+TargetSignatures('source')
+SourceSignatures('timestamp')
       </sconstruct>
 
       <para>
@@ -949,18 +949,18 @@
 
     <scons_example name="depends_include">
       <file name="SConstruct">
-       Program('hello.c', CPPPATH = '.')
+Program('hello.c', CPPPATH = '.')
       </file>
       <file name="hello.c" printme="1">
-       #include &lt;hello.h&gt;
-       int
-       main()
-       {
-           printf("Hello, %s!\n", string);
-       }
+#include &lt;hello.h&gt;
+int
+main()
+{
+    printf("Hello, %s!\n", string);
+}
       </file>
       <file name="hello.h">
-       #define string    "world"
+#define string    "world"
       </file>
     </scons_example>
 
@@ -1049,10 +1049,10 @@
 
     <scons_example name="depends_ex5">
       <file name="SConstruct" printme="1">
-       Program('hello.c', CPPPATH = ['include', '/home/project/inc'])
+Program('hello.c', CPPPATH = ['include', '/home/project/inc'])
       </file>
       <file name="hello.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
     </scons_example>
 
@@ -1142,7 +1142,7 @@
     </para>
 
     <sconstruct>
-       SetOption('implicit_cache', 1)
+SetOption('implicit_cache', 1)
     </sconstruct>
 
     <para>
@@ -1291,23 +1291,23 @@
     </para>
 
     <programlisting>
-       hello = Program('hello.c')
-       Depends(hello, 'other_file')
+hello = Program('hello.c')
+Depends(hello, 'other_file')
     </programlisting>
 
     <!-- XXX mention that you can use arrays for target and source? -->
 
     <screen>
-       % <userinput>scons -Q hello</userinput>
-       cc -c hello.c -o hello.o
-       cc -o hello hello.o
-       % <userinput>scons -Q hello</userinput>
-       scons: `hello' is up to date.
-       % <userinput>edit other_file</userinput>
-           [CHANGE THE CONTENTS OF other_file]
-       % <userinput>scons -Q hello</userinput>
-       cc -c hello.c -o hello.o
-       cc -o hello hello.o
+% <userinput>scons -Q hello</userinput>
+cc -c hello.c -o hello.o
+cc -o hello hello.o
+% <userinput>scons -Q hello</userinput>
+scons: `hello' is up to date.
+% <userinput>edit other_file</userinput>
+    [CHANGE THE CONTENTS OF other_file]
+% <userinput>scons -Q hello</userinput>
+cc -c hello.c -o hello.o
+cc -o hello hello.o
     </screen>
 
     <para>
@@ -1320,9 +1320,9 @@
     </para>
 
     <programlisting>
-       hello = Program('hello.c')
-       goodbye = Program('goodbye.c')
-       Depends(hello, goodbye)
+hello = Program('hello.c')
+goodbye = Program('goodbye.c')
+Depends(hello, goodbye)
     </programlisting>
 
     <para>
@@ -1333,11 +1333,11 @@
     </para>
 
     <screen>
-       % <userinput>scons -Q hello</userinput>
-       cc -c goodbye.c -o goodbye.o
-       cc -o goodbye goodbye.o
-       cc -c hello.c -o hello.o
-       cc -o hello hello.o
+% <userinput>scons -Q hello</userinput>
+cc -c goodbye.c -o goodbye.o
+cc -o goodbye goodbye.o
+cc -c hello.c -o hello.o
+cc -o hello hello.o
     </screen>
 
   </section>
@@ -1364,18 +1364,18 @@
 
     <scons_example name="depends_macroinc">
       <file name="hello.c" printme="1">
-      #define FOO_HEADER &lt;foo.h&gt;
-      #include FOO_HEADER
+#define FOO_HEADER &lt;foo.h&gt;
+#include FOO_HEADER
 
-      int main() {
-          return FOO;
-      }
+int main() {
+    return FOO;
+}
       </file>
       <file name="SConstruct">
-      Program('hello', 'hello.c', CPPPATH='.')
+Program('hello', 'hello.c', CPPPATH='.')
       </file>
       <file name="foo.h">
-      #define FOO 42
+#define FOO 42
       </file>
     </scons_example>
 
@@ -1416,24 +1416,24 @@
 
     <scons_example name="depends_parsedep">
       <file name="hello.c">
-      #define FOO_HEADER &lt;foo.h&gt;
-      #include FOO_HEADER
+#define FOO_HEADER &lt;foo.h&gt;
+#include FOO_HEADER
 
-      int main() {
-          return FOO;
-      }
+int main() {
+    return FOO;
+}
       </file>
       <file name="SConstruct" printme="1">
-      obj = Object('hello.c', CCFLAGS='-MD -MF hello.d', CPPPATH='.')
-      SideEffect('hello.d', obj)
-      ParseDepends('hello.d')
-      Program('hello', obj)
+obj = Object('hello.c', CCFLAGS='-MD -MF hello.d', CPPPATH='.')
+SideEffect('hello.d', obj)
+ParseDepends('hello.d')
+Program('hello', obj)
       </file>
       <file name="foo.h">
-      #define FOO 42
+#define FOO 42
       </file>
       <file name="hello.d">
-      hello.o: hello.c foo.h
+hello.o: hello.c foo.h
       </file>
     </scons_example>
 
@@ -1453,21 +1453,21 @@
 
     <scons_example name="depends_parsedeprebuild">
       <file name="hello.c">
-      #define FOO_HEADER &lt;foo.h&gt;
-      #include FOO_HEADER
+#define FOO_HEADER &lt;foo.h&gt;
+#include FOO_HEADER
 
-      int main() {
-          return FOO;
-      }
+int main() {
+    return FOO;
+}
       </file>
       <file name="SConstruct">
-      obj = Object('hello.c', CCFLAGS='-MD -MF hello.d', CPPPATH='.')
-      SideEffect('hello.d', obj)
-      ParseDepends('hello.d')
-      Program('hello', obj)
+obj = Object('hello.c', CCFLAGS='-MD -MF hello.d', CPPPATH='.')
+SideEffect('hello.d', obj)
+ParseDepends('hello.d')
+Program('hello', obj)
       </file>
       <file name="foo.h">
-      #define FOO 42
+#define FOO 42
       </file>
     </scons_example>
 
@@ -1480,14 +1480,14 @@
     -->
 
     <screen>
-      % <userinput>scons -Q</userinput>
-      cc -o hello.o -c -MD -MF hello.d -I. hello.c
-      cc -o hello hello.o
-      % <userinput>scons -Q --debug=explain</userinput>
-      scons: rebuilding `hello.o' because `foo.h' is a new dependency
-      cc -o hello.o -c -MD -MF hello.d -I. hello.c
-      % <userinput>scons -Q</userinput>
-      scons: `.' is up to date.
+% <userinput>scons -Q</userinput>
+cc -o hello.o -c -MD -MF hello.d -I. hello.c
+cc -o hello hello.o
+% <userinput>scons -Q --debug=explain</userinput>
+scons: rebuilding `hello.o' because `foo.h' is a new dependency
+cc -o hello.o -c -MD -MF hello.d -I. hello.c
+% <userinput>scons -Q</userinput>
+scons: `.' is up to date.
     </screen>
 
     <para>
@@ -1532,16 +1532,16 @@
 
     <scons_example name="depends_ignore">
       <file name="SConstruct" printme="1">
-      hello_obj=Object('hello.c')
-      hello = Program(hello_obj)
-      Ignore(hello_obj, 'hello.h')
+hello_obj=Object('hello.c')
+hello = Program(hello_obj)
+Ignore(hello_obj, 'hello.h')
       </file>
       <file name="hello.c">
-      #include "hello.h"
-      int main() { printf("Hello, %s!\n", string); }
+#include "hello.h"
+int main() { printf("Hello, %s!\n", string); }
       </file>
       <file name="hello.h">
-      #define string    "world"
+#define string    "world"
       </file>
     </scons_example>
 
@@ -1558,15 +1558,15 @@
     -->
 
     <screen>
-      % <userinput>scons -Q hello</userinput>
-      cc -c -o hello.o hello.c
-      cc -o hello hello.o
-      % <userinput>scons -Q hello</userinput>
-      scons: `hello' is up to date.
-      % <userinput>edit hello.h</userinput>
-        [CHANGE THE CONTENTS OF hello.h]
-      % <userinput>scons -Q hello</userinput>
-      scons: `hello' is up to date.
+% <userinput>scons -Q hello</userinput>
+cc -c -o hello.o hello.c
+cc -o hello hello.o
+% <userinput>scons -Q hello</userinput>
+scons: `hello' is up to date.
+% <userinput>edit hello.h</userinput>
+  [CHANGE THE CONTENTS OF hello.h]
+% <userinput>scons -Q hello</userinput>
+scons: `hello' is up to date.
     </screen>
 
     <para>
@@ -1591,8 +1591,8 @@
     </para>
 
     <programlisting>
-       hello = Program('hello.c', CPPPATH=['/usr/include'])
-       Ignore(hello, '/usr/include/stdio.h')
+hello = Program('hello.c', CPPPATH=['/usr/include'])
+Ignore(hello, '/usr/include/stdio.h')
     </programlisting>
 
     <para>
@@ -1608,13 +1608,13 @@
 
     <scons_example name="depends_ignore_explicit">
       <file name="SConstruct" printme="1">
-      hello_obj=Object('hello.c')
-      hello = Program(hello_obj)
-      Ignore('.',[hello,hello_obj])
+hello_obj=Object('hello.c')
+hello = Program(hello_obj)
+Ignore('.',[hello,hello_obj])
       </file>
       <file name="hello.c">
-      #include "stdio.h"
-      int main() { printf("Hello!\n"); }
+#include "stdio.h"
+int main() { printf("Hello!\n"); }
       </file>
     </scons_example>
 
@@ -1669,18 +1669,18 @@
 
     <scons_example name="depends_no-Requires">
       <file name="SConstruct" printme="1">
-      import time
+import time
 
-      version_c_text = """
-      char *date = "%s";
-      """ % time.ctime(time.time())
-      open('version.c', 'w').write(version_c_text)
+version_c_text = """
+char *date = "%s";
+""" % time.ctime(time.time())
+open('version.c', 'w').write(version_c_text)
 
-      hello = Program(['hello.c', 'version.c'])
+hello = Program(['hello.c', 'version.c'])
       </file>
       <file name="hello.c">
-      extern char *date;
-      int main() { printf("Hello, %s!  I was built: %s\n", date); }
+extern char *date;
+int main() { printf("Hello, %s!  I was built: %s\n", date); }
       </file>
     </scons_example>
 
@@ -1728,23 +1728,23 @@
 
     <scons_example name="depends_Requires">
       <file name="SConstruct" printme="1">
-      import time
+import time
 
-      version_c_text = """
-      char *date = "%s";
-      """ % time.ctime(time.time())
-      open('version.c', 'w').write(version_c_text)
+version_c_text = """
+char *date = "%s";
+""" % time.ctime(time.time())
+open('version.c', 'w').write(version_c_text)
 
-      version_obj = Object('version.c')
+version_obj = Object('version.c')
 
-      hello = Program('hello.c',
-                      LINKFLAGS = str(version_obj[0]))
+hello = Program('hello.c',
+                LINKFLAGS = str(version_obj[0]))
 
-      Requires(hello, version_obj)
+Requires(hello, version_obj)
       </file>
       <file name="hello.c">
-      extern char *date;
-      int main() { printf("Hello, %s!  I was built: %s\n", date); }
+extern char *date;
+int main() { printf("Hello, %s!  I was built: %s\n", date); }
       </file>
     </scons_example>
 
@@ -1801,11 +1801,11 @@
 
     <scons_example name="depends_AlwaysBuild">
       <file name="SConstruct" printme="1">
-      hello = Program('hello.c')
-      AlwaysBuild(hello)
+hello = Program('hello.c')
+AlwaysBuild(hello)
       </file>
       <file name="hello.c">
-      int main() { printf("Hello, %s!\n", string); }
+int main() { printf("Hello, %s!\n", string); }
       </file>
     </scons_example>
 
diff --git a/doc/user/environments.xml b/doc/user/environments.xml
index 0a4192f..b9585cb 100644
--- a/doc/user/environments.xml
+++ b/doc/user/environments.xml
@@ -490,10 +490,10 @@ environment, of directory names, suffixes, etc.
 
    <scons_example name="environments_ex1">
      <file name="SConstruct" printme="1">
-     import os
+import os
      </file>
      <file name="foo.c">
-    int main() { }
+int main() { }
      </file>
    </scons_example>
 
@@ -546,7 +546,7 @@ environment, of directory names, suffixes, etc.
       </para>
 
        <sconstruct>
-         env = Environment()
+env = Environment()
        </sconstruct>
 
       <para>
@@ -579,13 +579,13 @@ environment, of directory names, suffixes, etc.
 
        <scons_example name="environments_ex1">
          <file name="SConstruct" printme="1">
-         env = Environment(CC = 'gcc',
-                           CCFLAGS = '-O2')
+ env = Environment(CC = 'gcc',
+                   CCFLAGS = '-O2')
 
-         env.Program('foo.c')
+ env.Program('foo.c')
          </file>
          <file name="foo.c">
-        int main() { }
+int main() { }
          </file>
        </scons_example>
 
@@ -626,8 +626,8 @@ environment, of directory names, suffixes, etc.
 
       <scons_example name="environments_ex6">
         <file name="SConstruct" printme="1">
-         env = Environment()
-         print "CC is:", env['CC']
+env = Environment()
+print "CC is:", env['CC']
         </file>
       </scons_example>
 
@@ -655,10 +655,10 @@ environment, of directory names, suffixes, etc.
 
       <scons_example name="environments_ex6b">
          <file name="SConstruct" printme="1">
-         env = Environment(FOO = 'foo', BAR = 'bar')
-         dict = env.Dictionary()
-         for key in ['OBJSUFFIX', 'LIBSUFFIX', 'PROGSUFFIX']:
-             print "key = %s, value = %s" % (key, dict[key])
+env = Environment(FOO = 'foo', BAR = 'bar')
+dict = env.Dictionary()
+for key in ['OBJSUFFIX', 'LIBSUFFIX', 'PROGSUFFIX']:
+    print "key = %s, value = %s" % (key, dict[key])
          </file>
       </scons_example>
 
@@ -693,9 +693,9 @@ environment, of directory names, suffixes, etc.
       </para>
 
       <sconstruct>
-         env = Environment()
-         for item in sorted(env.Dictionary().items()):
-             print "construction variable = '%s', value = '%s'" % item
+env = Environment()
+for item in sorted(env.Dictionary().items()):
+    print "construction variable = '%s', value = '%s'" % item
       </sconstruct>
 
     </section>
@@ -720,8 +720,8 @@ environment, of directory names, suffixes, etc.
       </para>
 
       <sconstruct>
-        env = Environment()
-        print "CC is:", env.subst('$CC')
+env = Environment()
+print "CC is:", env.subst('$CC')
       </sconstruct>
 
       <para>
@@ -737,8 +737,8 @@ environment, of directory names, suffixes, etc.
       </para>
 
       <sconstruct>
-        env = Environment(CCFLAGS = '-DFOO')
-        print "CCCOM is:", env['CCCOM']
+env = Environment(CCFLAGS = '-DFOO')
+print "CCCOM is:", env['CCCOM']
       </sconstruct>
 
       <para>
@@ -750,9 +750,9 @@ environment, of directory names, suffixes, etc.
       </para>
 
       <screen>
-        % <userinput>scons -Q</userinput>
-        CCCOM is: $CC $CCFLAGS $CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS -c -o $TARGET $SOURCES
-        scons: `.' is up to date.
+% <userinput>scons -Q</userinput>
+CCCOM is: $CC $CCFLAGS $CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS -c -o $TARGET $SOURCES
+scons: `.' is up to date.
       </screen>
 
       <para>
@@ -763,8 +763,8 @@ environment, of directory names, suffixes, etc.
       </para>
 
       <sconstruct>
-        env = Environment(CCFLAGS = '-DFOO')
-        print "CCCOM is:", env.subst('$CCCOM')
+env = Environment(CCFLAGS = '-DFOO')
+print "CCCOM is:", env.subst('$CCCOM')
       </sconstruct>
 
       <para>
@@ -777,9 +777,9 @@ environment, of directory names, suffixes, etc.
       </para>
 
       <screen>
-        % <userinput>scons -Q</userinput>
-        CCCOM is: gcc -DFOO -c -o
-        scons: `.' is up to date.
+% <userinput>scons -Q</userinput>
+CCCOM is: gcc -DFOO -c -o
+scons: `.' is up to date.
       </screen>
 
       <para>
@@ -805,8 +805,8 @@ environment, of directory names, suffixes, etc.
 
        <scons_example name="environments_missing1">
          <file name="SConstruct" printme="1">
-          env = Environment()
-          print "value is:", env.subst( '->$MISSING&lt;-' )
+env = Environment()
+print "value is:", env.subst( '->$MISSING&lt;-' )
         </file>
       </scons_example>
 
@@ -832,9 +832,9 @@ environment, of directory names, suffixes, etc.
 
        <scons_example name="environments_missing2">
          <file name="SConstruct" printme="1">
-          AllowSubstExceptions()
-          env = Environment()
-          print "value is:", env.subst( '->$MISSING&lt;-' )
+AllowSubstExceptions()
+env = Environment()
+print "value is:", env.subst( '->$MISSING&lt;-' )
         </file>
       </scons_example>
 
@@ -852,17 +852,15 @@ environment, of directory names, suffixes, etc.
 
        <scons_example name="environments_missing3">
          <file name="SConstruct" printme="1">
-          AllowSubstExceptions(IndexError, NameError, ZeroDivisionError)
-          env = Environment()
-          print "value is:", env.subst( '->${1 / 0}&lt;-' )
+AllowSubstExceptions(IndexError, NameError, ZeroDivisionError)
+env = Environment()
+print "value is:", env.subst( '->${1 / 0}&lt;-' )
         </file>
       </scons_example>
 
        <scons_output example="environments_missing3" suffix="1">
           <scons_output_command>scons -Q</scons_output_command>
        </scons_output>
-      <sconstruct>
-      </sconstruct>
 
       <para>
       If &AllowSubstExceptions; is called multiple times, each call
@@ -903,9 +901,7 @@ environment, of directory names, suffixes, etc.
       </para>
 
       <sconstruct>
-
-      DefaultEnvironment(CC = '/usr/local/bin/gcc')
-
+DefaultEnvironment(CC = '/usr/local/bin/gcc')
       </sconstruct>
 
       <para>
@@ -937,10 +933,8 @@ environment, of directory names, suffixes, etc.
       </para>
 
       <sconstruct>
-
-      env = DefaultEnvironment()
-      env['CC'] = '/usr/local/bin/gcc'
-
+env = DefaultEnvironment()
+env['CC'] = '/usr/local/bin/gcc'
       </sconstruct>
 
       <para>
@@ -966,10 +960,8 @@ environment, of directory names, suffixes, etc.
       </para>
 
       <sconstruct>
-
-      env = DefaultEnvironment(tools = ['gcc', 'gnulink'],
-                               CC = '/usr/local/bin/gcc')
-
+env = DefaultEnvironment(tools = ['gcc', 'gnulink'],
+                         CC = '/usr/local/bin/gcc')
       </sconstruct>
 
       <para>
@@ -1005,18 +997,18 @@ environment, of directory names, suffixes, etc.
 
       <scons_example name="environments_ex2">
         <file name="SConstruct" printme="1">
-         opt = Environment(CCFLAGS = '-O2')
-         dbg = Environment(CCFLAGS = '-g')
+opt = Environment(CCFLAGS = '-O2')
+dbg = Environment(CCFLAGS = '-g')
 
-         opt.Program('foo', 'foo.c')
+opt.Program('foo', 'foo.c')
 
-         dbg.Program('bar', 'bar.c')
+dbg.Program('bar', 'bar.c')
         </file>
         <file name="foo.c">
-        int main() { }
+int main() { }
         </file>
         <file name="bar.c">
-        int main() { }
+int main() { }
         </file>
       </scons_example>
 
@@ -1036,15 +1028,15 @@ environment, of directory names, suffixes, etc.
 
       <scons_example name="environments_ex3">
         <file name="SConstruct" printme="1">
-         opt = Environment(CCFLAGS = '-O2')
-         dbg = Environment(CCFLAGS = '-g')
+opt = Environment(CCFLAGS = '-O2')
+dbg = Environment(CCFLAGS = '-g')
 
-         opt.Program('foo', 'foo.c')
+opt.Program('foo', 'foo.c')
 
-         dbg.Program('foo', 'foo.c')
+dbg.Program('foo', 'foo.c')
         </file>
         <file name="foo.c">
-        int main() { }
+int main() { }
         </file>
       </scons_example>
 
@@ -1081,17 +1073,17 @@ environment, of directory names, suffixes, etc.
 
       <scons_example name="environments_ex4">
         <file name="SConstruct" printme="1">
-         opt = Environment(CCFLAGS = '-O2')
-         dbg = Environment(CCFLAGS = '-g')
+opt = Environment(CCFLAGS = '-O2')
+dbg = Environment(CCFLAGS = '-g')
 
-         o = opt.Object('foo-opt', 'foo.c')
-         opt.Program(o)
+o = opt.Object('foo-opt', 'foo.c')
+opt.Program(o)
 
-         d = dbg.Object('foo-dbg', 'foo.c')
-         dbg.Program(d)
+d = dbg.Object('foo-dbg', 'foo.c')
+dbg.Program(d)
         </file>
         <file name="foo.c">
-        int main() { }
+int main() { }
         </file>
       </scons_example>
 
@@ -1149,20 +1141,20 @@ environment, of directory names, suffixes, etc.
 
       <scons_example name="environments_ex5">
         <file name="SConstruct" printme="1">
-         env = Environment(CC = 'gcc')
-         opt = env.Clone(CCFLAGS = '-O2')
-         dbg = env.Clone(CCFLAGS = '-g')
+env = Environment(CC = 'gcc')
+opt = env.Clone(CCFLAGS = '-O2')
+dbg = env.Clone(CCFLAGS = '-g')
 
-         env.Program('foo', 'foo.c')
+env.Program('foo', 'foo.c')
 
-         o = opt.Object('foo-opt', 'foo.c')
-         opt.Program(o)
+o = opt.Object('foo-opt', 'foo.c')
+opt.Program(o)
 
-         d = dbg.Object('foo-dbg', 'foo.c')
-         dbg.Program(d)
+d = dbg.Object('foo-dbg', 'foo.c')
+dbg.Program(d)
         </file>
         <file name="foo.c">
-        int main() { }
+int main() { }
         </file>
       </scons_example>
 
@@ -1190,12 +1182,12 @@ environment, of directory names, suffixes, etc.
 
       <scons_example name="environments_Replace1">
         <file name="SConstruct" printme="1">
-         env = Environment(CCFLAGS = '-DDEFINE1')
-         env.Replace(CCFLAGS = '-DDEFINE2')
-         env.Program('foo.c')
+env = Environment(CCFLAGS = '-DDEFINE1')
+env.Replace(CCFLAGS = '-DDEFINE2')
+env.Program('foo.c')
         </file>
         <file name="foo.c">
-        int main() { }
+int main() { }
         </file>
       </scons_example>
 
@@ -1222,9 +1214,9 @@ environment, of directory names, suffixes, etc.
 
       <scons_example name="environments_Replace-nonexistent">
         <file name="SConstruct" printme="1">
-         env = Environment()
-         env.Replace(NEW_VARIABLE = 'xyzzy')
-         print "NEW_VARIABLE =", env['NEW_VARIABLE']
+env = Environment()
+env.Replace(NEW_VARIABLE = 'xyzzy')
+print "NEW_VARIABLE =", env['NEW_VARIABLE']
         </file>
       </scons_example>
 
@@ -1258,19 +1250,19 @@ environment, of directory names, suffixes, etc.
 
       <scons_example name="environments_Replace2">
         <file name="SConstruct" printme="1">
-         env = Environment(CCFLAGS = '-DDEFINE1')
-         print "CCFLAGS =", env['CCFLAGS']
-         env.Program('foo.c')
+env = Environment(CCFLAGS = '-DDEFINE1')
+print "CCFLAGS =", env['CCFLAGS']
+env.Program('foo.c')
 
-         env.Replace(CCFLAGS = '-DDEFINE2')
-         print "CCFLAGS =", env['CCFLAGS']
-         env.Program('bar.c')
+env.Replace(CCFLAGS = '-DDEFINE2')
+print "CCFLAGS =", env['CCFLAGS']
+env.Program('bar.c')
         </file>
         <file name="foo.c">
-        int main() { }
+int main() { }
         </file>
         <file name="bar.c">
-        int main() { }
+int main() { }
         </file>
       </scons_example>
 
@@ -1321,7 +1313,7 @@ environment, of directory names, suffixes, etc.
       </para>
 
       <sconstruct>
-      env.SetDefault(SPECIAL_FLAG = '-extra-option')
+env.SetDefault(SPECIAL_FLAG = '-extra-option')
       </sconstruct>
 
       <para>
@@ -1352,12 +1344,12 @@ environment, of directory names, suffixes, etc.
 
       <scons_example name="environments_ex8">
         <file name="SConstruct" printme="1">
-         env = Environment(CCFLAGS = ['-DMY_VALUE'])
-         env.Append(CCFLAGS = ['-DLAST'])
-         env.Program('foo.c')
+env = Environment(CCFLAGS = ['-DMY_VALUE'])
+env.Append(CCFLAGS = ['-DLAST'])
+env.Program('foo.c')
         </file>
         <file name="foo.c">
-        int main() { }
+int main() { }
         </file>
       </scons_example>
 
@@ -1381,9 +1373,9 @@ environment, of directory names, suffixes, etc.
 
       <scons_example name="environments_Append-nonexistent">
         <file name="SConstruct" printme="1">
-         env = Environment()
-         env.Append(NEW_VARIABLE = 'added')
-         print "NEW_VARIABLE =", env['NEW_VARIABLE']
+env = Environment()
+env.Append(NEW_VARIABLE = 'added')
+print "NEW_VARIABLE =", env['NEW_VARIABLE']
         </file>
       </scons_example>
 
@@ -1425,7 +1417,7 @@ environment, of directory names, suffixes, etc.
       </para>
 
       <sconstruct>
-      env.AppendUnique(CCFLAGS=['-g'])
+env.AppendUnique(CCFLAGS=['-g'])
       </sconstruct>
 
       <para>
@@ -1452,12 +1444,12 @@ environment, of directory names, suffixes, etc.
 
       <scons_example name="environments_ex9">
         <file name="SConstruct" printme="1">
-         env = Environment(CCFLAGS = ['-DMY_VALUE'])
-         env.Prepend(CCFLAGS = ['-DFIRST'])
-         env.Program('foo.c')
+env = Environment(CCFLAGS = ['-DMY_VALUE'])
+env.Prepend(CCFLAGS = ['-DFIRST'])
+env.Program('foo.c')
         </file>
         <file name="foo.c">
-        int main() { }
+int main() { }
         </file>
       </scons_example>
 
@@ -1481,9 +1473,9 @@ environment, of directory names, suffixes, etc.
 
       <scons_example name="environments_Prepend-nonexistent">
         <file name="SConstruct" printme="1">
-         env = Environment()
-         env.Prepend(NEW_VARIABLE = 'added')
-         print "NEW_VARIABLE =", env['NEW_VARIABLE']
+env = Environment()
+env.Prepend(NEW_VARIABLE = 'added')
+print "NEW_VARIABLE =", env['NEW_VARIABLE']
         </file>
       </scons_example>
 
@@ -1527,7 +1519,7 @@ environment, of directory names, suffixes, etc.
       </para>
 
       <sconstruct>
-      env.PrependUnique(CCFLAGS=['-g'])
+env.PrependUnique(CCFLAGS=['-g'])
       </sconstruct>
 
       <para>
@@ -1598,8 +1590,8 @@ environment, of directory names, suffixes, etc.
     </para>
 
     <sconstruct>
-      path = ['/usr/local/bin', '/bin', '/usr/bin']
-      env = Environment(ENV = {'PATH' : path})
+path = ['/usr/local/bin', '/bin', '/usr/bin']
+env = Environment(ENV = {'PATH' : path})
     </sconstruct>
 
     <para>
@@ -1618,7 +1610,7 @@ environment, of directory names, suffixes, etc.
     </para>
 
     <sconstruct>
-      env['ENV']['PATH'] = ['/usr/local/bin', '/bin', '/usr/bin']
+env['ENV']['PATH'] = ['/usr/local/bin', '/bin', '/usr/bin']
     </sconstruct>
 
     <para>
@@ -1631,7 +1623,7 @@ environment, of directory names, suffixes, etc.
     </para>
 
     <sconstruct>
-      env['ENV']['PATH'] = '/usr/local/bin:/bin:/usr/bin'
+env['ENV']['PATH'] = '/usr/local/bin:/bin:/usr/bin'
     </sconstruct>
 
     <para>
@@ -1646,19 +1638,19 @@ environment, of directory names, suffixes, etc.
 
     <scons_example name="environments_ex1">
       <file name="SConstruct" printme="1">
-      env = Environment()
-      env.Command('foo', [], '__ROOT__/usr/bin/printenv.py')
+env = Environment()
+env.Command('foo', [], '__ROOT__/usr/bin/printenv.py')
       </file>
       <file name="__ROOT__/usr/bin/printenv.py" chmod="0755">
-      #!/usr/bin/env python
-      import os
-      import sys
-      if len(sys.argv) &gt; 1:
-          keys = sys.argv[1:]
-      else:
-          keys = sorted(os.environ.keys())
-      for key in keys:
-          print "    " + key + "=" + os.environ[key]
+#!/usr/bin/env python
+import os
+import sys
+if len(sys.argv) &gt; 1:
+    keys = sys.argv[1:]
+else:
+    keys = sorted(os.environ.keys())
+for key in keys:
+    print "    " + key + "=" + os.environ[key]
       </file>
     </scons_example>
 
@@ -1689,8 +1681,8 @@ environment, of directory names, suffixes, etc.
       </para>
 
       <sconstruct>
-        import os
-        env = Environment(ENV = {'PATH' : os.environ['PATH']})
+import os
+env = Environment(ENV = {'PATH' : os.environ['PATH']})
       </sconstruct>
 
       <para>
@@ -1705,8 +1697,8 @@ environment, of directory names, suffixes, etc.
       </para>
 
       <sconstruct>
-        import os
-        env = Environment(ENV = os.environ)
+import os
+env = Environment(ENV = os.environ)
       </sconstruct>
 
       <para>
@@ -1752,9 +1744,9 @@ environment, of directory names, suffixes, etc.
       </para>
 
       <sconstruct>
-        env = Environment(ENV = os.environ)
-        env.PrependENVPath('PATH', '/usr/local/bin')
-        env.AppendENVPath('LIB', '/usr/local/lib')
+env = Environment(ENV = os.environ)
+env.PrependENVPath('PATH', '/usr/local/bin')
+env.AppendENVPath('LIB', '/usr/local/lib')
       </sconstruct>
 
       <para>
diff --git a/doc/user/factories.xml b/doc/user/factories.xml
index 15a962d..93283bb 100644
--- a/doc/user/factories.xml
+++ b/doc/user/factories.xml
@@ -84,7 +84,7 @@
 
     <scons_example name="factories_Copy1">
       <file name="SConstruct" printme="1">
-        Command("file.out", "file.in", Copy("$TARGET", "$SOURCE"))
+Command("file.out", "file.in", Copy("$TARGET", "$SOURCE"))
       </file>
       <file name="file.in">file.in</file>
     </scons_example>
@@ -113,7 +113,7 @@
 
     <scons_example name="factories_Copy2">
       <file name="SConstruct" printme="1">
-      Command("file.out", [], Copy("$TARGET", "file.in"))
+Command("file.out", [], Copy("$TARGET", "file.in"))
       </file>
       <file name="file.in">file.in</file>
     </scons_example>
@@ -147,22 +147,22 @@
 
     <scons_example name="factories_Copy3">
       <file name="S" printme="1">
-      Command("file.out", "file.in",
-              [
-                Copy("tempfile", "$SOURCE"),
-                "modify tempfile",
-                Copy("$TARGET", "tempfile"),
-              ])
+Command("file.out", "file.in",
+        [
+          Copy("tempfile", "$SOURCE"),
+          "modify tempfile",
+          Copy("$TARGET", "tempfile"),
+        ])
       </file>
       <file name="SConstruct">
-      env = DefaultEnvironment()
-      import os
-      env['ENV']['PATH'] = env['ENV']['PATH'] + os.pathsep + os.getcwd()
-      SConscript('S')
+env = DefaultEnvironment()
+import os
+env['ENV']['PATH'] = env['ENV']['PATH'] + os.pathsep + os.getcwd()
+SConscript('S')
       </file>
       <file name="file.in">file.in</file>
       <file name="modify" chmod="0755">
-      touch $*
+touch $*
       </file>
     </scons_example>
 
@@ -198,23 +198,23 @@
 
     <scons_example name="factories_Delete1">
       <file name="S" printme="1">
-      Command("file.out", "file.in",
-              [
-                Delete("tempfile"),
-                Copy("tempfile", "$SOURCE"),
-                "modify tempfile",
-                Copy("$TARGET", "tempfile"),
-              ])
+Command("file.out", "file.in",
+        [
+          Delete("tempfile"),
+          Copy("tempfile", "$SOURCE"),
+          "modify tempfile",
+          Copy("$TARGET", "tempfile"),
+        ])
       </file>
       <file name="SConstruct">
-      env = DefaultEnvironment()
-      import os
-      env['ENV']['PATH'] = env['ENV']['PATH'] + os.pathsep + os.getcwd()
-      SConscript('S')
+env = DefaultEnvironment()
+import os
+env['ENV']['PATH'] = env['ENV']['PATH'] + os.pathsep + os.getcwd()
+SConscript('S')
       </file>
       <file name="file.in">file.in</file>
       <file name="modify" chmod="0755">
-      touch $*
+touch $*
       </file>
     </scons_example>
 
@@ -239,11 +239,11 @@
 
     <scons_example name="factories_Delete2">
       <file name="SConstruct" printme="1">
-      Command("file.out", "file.in",
-              [
-                Delete("$TARGET"),
-                Copy("$TARGET", "$SOURCE")
-              ])
+Command("file.out", "file.in",
+        [
+          Delete("$TARGET"),
+          Copy("$TARGET", "$SOURCE")
+        ])
       </file>
       <file name="file.in">file.in</file>
     </scons_example>
@@ -293,22 +293,22 @@
 
     <scons_example name="factories_Move">
       <file name="S" printme="1">
-      Command("file.out", "file.in",
-              [
-                Copy("tempfile", "$SOURCE"),
-                "modify tempfile",
-                Move("$TARGET", "tempfile"),
-              ])
+Command("file.out", "file.in",
+        [
+          Copy("tempfile", "$SOURCE"),
+          "modify tempfile",
+          Move("$TARGET", "tempfile"),
+        ])
       </file>
       <file name="SConstruct">
-      env = DefaultEnvironment()
-      import os
-      env['ENV']['PATH'] = env['ENV']['PATH'] + os.pathsep + os.getcwd()
-      SConscript('S')
+env = DefaultEnvironment()
+import os
+env['ENV']['PATH'] = env['ENV']['PATH'] + os.pathsep + os.getcwd()
+SConscript('S')
       </file>
       <file name="file.in">file.in</file>
       <file name="modify" chmod="0755">
-      touch $*
+touch $*
       </file>
     </scons_example>
 
@@ -337,17 +337,17 @@
 
     <scons_example name="factories_Touch">
       <file name="S" printme="1">
-      Command("file.out", "file.in",
-              [
-                Copy("$TARGET", "$SOURCE"),
-                Touch("$TARGET"),
-              ])
+Command("file.out", "file.in",
+        [
+          Copy("$TARGET", "$SOURCE"),
+          Touch("$TARGET"),
+        ])
       </file>
       <file name="SConstruct">
-      env = DefaultEnvironment()
-      import os
-      env['ENV']['PATH'] = env['ENV']['PATH'] + os.pathsep + os.getcwd()
-      SConscript('S')
+env = DefaultEnvironment()
+import os
+env['ENV']['PATH'] = env['ENV']['PATH'] + os.pathsep + os.getcwd()
+SConscript('S')
       </file>
       <file name="file.in">file.in</file>
     </scons_example>
@@ -381,25 +381,25 @@
 
     <scons_example name="factories_Mkdir">
       <file name="S" printme="1">
-      Command("file.out", "file.in",
-              [
-                Delete("tempdir"),
-                Mkdir("tempdir"),
-                Copy("tempdir/${SOURCE.file}", "$SOURCE"),
-                "process tempdir",
-                Move("$TARGET", "tempdir/output_file"),
-                Delete("tempdir"),
-              ])
+Command("file.out", "file.in",
+        [
+          Delete("tempdir"),
+          Mkdir("tempdir"),
+          Copy("tempdir/${SOURCE.file}", "$SOURCE"),
+          "process tempdir",
+          Move("$TARGET", "tempdir/output_file"),
+          Delete("tempdir"),
+        ])
       </file>
       <file name="SConstruct">
-      env = DefaultEnvironment()
-      import os
-      env['ENV']['PATH'] = env['ENV']['PATH'] + os.pathsep + os.getcwd()
-      SConscript('S')
+env = DefaultEnvironment()
+import os
+env['ENV']['PATH'] = env['ENV']['PATH'] + os.pathsep + os.getcwd()
+SConscript('S')
       </file>
       <file name="file.in">file.in</file>
       <file name="process" chmod="0755">
-      touch $*
+touch $*
       </file>
     </scons_example>
 
@@ -431,11 +431,11 @@
 
     <scons_example name="factories_Chmod">
       <file name="SConstruct" printme="1">
-      Command("file.out", "file.in",
-              [
-                Copy("$TARGET", "$SOURCE"),
-                Chmod("$TARGET", 0755),
-              ])
+Command("file.out", "file.in",
+        [
+          Copy("$TARGET", "$SOURCE"),
+          Chmod("$TARGET", 0755),
+        ])
       </file>
       <file name="file.in">file.in</file>
     </scons_example>
@@ -470,7 +470,7 @@
 
     <scons_example name="factories_Execute">
       <file name="SConstruct" printme="1">
-      Execute(Mkdir('__ROOT__/tmp/my_temp_directory'))
+Execute(Mkdir('__ROOT__/tmp/my_temp_directory'))
       </file>
     </scons_example>
 
@@ -521,9 +521,9 @@
     </para>
 
     <sconstruct>
-    if Execute(Mkdir('__ROOT__/tmp/my_temp_directory')):
-        # A problem occurred while making the temp directory.
-        Exit(1)
+if Execute(Mkdir('__ROOT__/tmp/my_temp_directory')):
+    # A problem occurred while making the temp directory.
+    Exit(1)
     </sconstruct>
 
   </section>
diff --git a/doc/user/file-removal.xml b/doc/user/file-removal.xml
index 3b1c36e..ebf7cc9 100644
--- a/doc/user/file-removal.xml
+++ b/doc/user/file-removal.xml
@@ -80,18 +80,18 @@
 
     <scons_example name="fileremoval_precious-ex1">
       <file name="SConstruct" printme="1">
-        env = Environment(RANLIBCOM='')
-        lib = env.Library('foo', ['f1.c', 'f2.c', 'f3.c'])
-        env.Precious(lib)
+  env = Environment(RANLIBCOM='')
+  lib = env.Library('foo', ['f1.c', 'f2.c', 'f3.c'])
+  env.Precious(lib)
       </file>
       <file name="f1.c">
-      int f1() { }
+int f1() { }
       </file>
       <file name="f2.c">
-      int f2() { }
+int f2() { }
       </file>
       <file name="f3.c">
-      int f3() { }
+int f3() { }
       </file>
     </scons_example>
 
@@ -138,18 +138,18 @@
 
     <scons_example name="fileremoval_noclean-ex1">
       <file name="SConstruct" printme="1">
-        env = Environment(RANLIBCOM='')
-        lib = env.Library('foo', ['f1.c', 'f2.c', 'f3.c'])
-        env.NoClean(lib)
+env = Environment(RANLIBCOM='')
+lib = env.Library('foo', ['f1.c', 'f2.c', 'f3.c'])
+env.NoClean(lib)
       </file>
       <file name="f1.c">
-      int f1() { }
+int f1() { }
       </file>
       <file name="f2.c">
-      int f2() { }
+int f2() { }
       </file>
       <file name="f3.c">
-      int f3() { }
+int f3() { }
       </file>
     </scons_example>
 
@@ -199,23 +199,23 @@
 
     <scons_example name="fileremoval_clean-ex1">
       <file name="S" printme="1">
-        t = Command('foo.out', 'foo.in', 'build -o $TARGET $SOURCE')
-        Clean(t, 'foo.log')
+t = Command('foo.out', 'foo.in', 'build -o $TARGET $SOURCE')
+Clean(t, 'foo.log')
       </file>
       <file name="SConstruct">
-      env = DefaultEnvironment()
-      import os
-      env['ENV']['PATH'] = env['ENV']['PATH'] + os.pathsep + os.getcwd()
-      SConscript('S')
+env = DefaultEnvironment()
+import os
+env['ENV']['PATH'] = env['ENV']['PATH'] + os.pathsep + os.getcwd()
+SConscript('S')
       </file>
       <file name="foo.in">
-      foo.in
+foo.in
       </file>
       <file name="foo.log">
-      foo.log
+foo.log
       </file>
       <file name="build" chmod="0755">
-      cat $3 > $2
+cat $3 > $2
       </file>
     </scons_example>
 
diff --git a/doc/user/gettext.xml b/doc/user/gettext.xml
index 9698c95..4b1e9ea 100644
--- a/doc/user/gettext.xml
+++ b/doc/user/gettext.xml
@@ -80,13 +80,13 @@
     for example
     <scons_example name="gettext_ex1">
     <file name="hello.c" printme="1">
-    /* hello.c */
-    #include &lt;stdio.h&gt;
-    int main(int argc, char* argv[])
-    {
-      printf("Hello world\n");
-      return 0;
-    }
+/* hello.c */
+#include &lt;stdio.h&gt;
+int main(int argc, char* argv[])
+{
+  printf("Hello world\n");
+  return 0;
+}
     </file>
     </scons_example>
 
@@ -94,9 +94,9 @@
     as usual.
     <scons_example name="gettext_ex2">
     <file name="SConstruct" printme="1">
-    # SConstruct
-    env = Environment()
-    hello = Program(["hello.c"])
+# SConstruct
+env = Environment()
+hello = Program(["hello.c"])
     </file>
     </scons_example>
     </para>
@@ -120,18 +120,18 @@
     internationalization. Change the previous code so it reads as follows:
     <scons_example name="gettext_ex3">
     <file name="hello.c" printme="1">
-    /* hello.c */
-    #include &lt;stdio.h&gt;
-    #include &lt;libintl.h&gt;
-    #include &lt;locale.h&gt;
-    int main(int argc, char* argv[])
-    {
-      bindtextdomain("hello", "locale");
-      setlocale(LC_ALL, "");
-      textdomain("hello");
-      printf(gettext("Hello world\n"));
-      return 0;
-    }
+/* hello.c */
+#include &lt;stdio.h&gt;
+#include &lt;libintl.h&gt;
+#include &lt;locale.h&gt;
+int main(int argc, char* argv[])
+{
+  bindtextdomain("hello", "locale");
+  setlocale(LC_ALL, "");
+  textdomain("hello");
+  printf(gettext("Hello world\n"));
+  return 0;
+}
     </file>
     </scons_example>
     Detailed recipes for such conversion can
@@ -162,18 +162,18 @@
     <filename>SConstruct</filename> is as follows:
     <scons_example name="gettext_ex4">
     <file name="SConstruct" printme="1">
-    # SConstruct
-    env = Environment( tools = ['default', 'gettext'] )
-    hello = env.Program(["hello.c"])
-    env['XGETTEXTFLAGS'] = [
-      '--package-name=%s' % 'hello',
-      '--package-version=%s' % '1.0',
-    ]
-    po = env.Translate(["pl","en", "de"], ["hello.c"], POAUTOINIT = 1)
-    mo = env.MOFiles(po)
-    InstallAs(["locale/en/LC_MESSAGES/hello.mo"], ["en.mo"])
-    InstallAs(["locale/pl/LC_MESSAGES/hello.mo"], ["pl.mo"])
-    InstallAs(["locale/de/LC_MESSAGES/hello.mo"], ["de.mo"])
+# SConstruct
+env = Environment( tools = ['default', 'gettext'] )
+hello = env.Program(["hello.c"])
+env['XGETTEXTFLAGS'] = [
+  '--package-name=%s' % 'hello',
+  '--package-version=%s' % '1.0',
+]
+po = env.Translate(["pl","en", "de"], ["hello.c"], POAUTOINIT = 1)
+mo = env.MOFiles(po)
+InstallAs(["locale/en/LC_MESSAGES/hello.mo"], ["en.mo"])
+InstallAs(["locale/pl/LC_MESSAGES/hello.mo"], ["pl.mo"])
+InstallAs(["locale/de/LC_MESSAGES/hello.mo"], ["de.mo"])
     </file>
     </scons_example>
     </para>
@@ -181,29 +181,29 @@
     Generate the translation files with <command>scons po-update</command>.
     You should see the output from SCons simillar to this:
     <screen>
-    user@host:$ scons po-update
-    scons: Reading SConscript files ...
-    scons: done reading SConscript files.
-    scons: Building targets ...
-    Entering '/home/ptomulik/projects/tmp'
-    xgettext --package-name=hello --package-version=1.0 -o - hello.c
-    Leaving '/home/ptomulik/projects/tmp'
-    Writting 'messages.pot' (new file)
-    msginit --no-translator -l pl -i messages.pot -o pl.po
-    Created pl.po.
-    msginit --no-translator -l en -i messages.pot -o en.po
-    Created en.po.
-    msginit --no-translator -l de -i messages.pot -o de.po
-    Created de.po.
-    scons: done building targets.
+user@host:$ scons po-update
+scons: Reading SConscript files ...
+scons: done reading SConscript files.
+scons: Building targets ...
+Entering '/home/ptomulik/projects/tmp'
+xgettext --package-name=hello --package-version=1.0 -o - hello.c
+Leaving '/home/ptomulik/projects/tmp'
+Writting 'messages.pot' (new file)
+msginit --no-translator -l pl -i messages.pot -o pl.po
+Created pl.po.
+msginit --no-translator -l en -i messages.pot -o en.po
+Created en.po.
+msginit --no-translator -l de -i messages.pot -o de.po
+Created de.po.
+scons: done building targets.
     </screen>
     </para>
 
     <para>
     If everything is right, you should see following new files.
     <screen>
-    user@host:$ ls *.po*
-    de.po  en.po  messages.pot  pl.po
+user@host:$ ls *.po*
+de.po  en.po  messages.pot  pl.po
     </screen>
     </para>
 
@@ -228,19 +228,19 @@
     Now compile the project by executing <command>scons</command>. The
     output should be similar to this:
     <screen>
-    user@host:$ scons
-    scons: Reading SConscript files ...
-    scons: done reading SConscript files.
-    scons: Building targets ...
-    msgfmt -c -o de.mo de.po
-    msgfmt -c -o en.mo en.po
-    gcc -o hello.o -c hello.c
-    gcc -o hello hello.o
-    Install file: "de.mo" as "locale/de/LC_MESSAGES/hello.mo"
-    Install file: "en.mo" as "locale/en/LC_MESSAGES/hello.mo"
-    msgfmt -c -o pl.mo pl.po
-    Install file: "pl.mo" as "locale/pl/LC_MESSAGES/hello.mo"
-    scons: done building targets.
+user@host:$ scons
+scons: Reading SConscript files ...
+scons: done reading SConscript files.
+scons: Building targets ...
+msgfmt -c -o de.mo de.po
+msgfmt -c -o en.mo en.po
+gcc -o hello.o -c hello.c
+gcc -o hello hello.o
+Install file: "de.mo" as "locale/de/LC_MESSAGES/hello.mo"
+Install file: "en.mo" as "locale/en/LC_MESSAGES/hello.mo"
+msgfmt -c -o pl.mo pl.po
+Install file: "pl.mo" as "locale/pl/LC_MESSAGES/hello.mo"
+scons: done building targets.
     </screen>
     SCons automatically compiled the <literal>PO</literal> files to binary format
     <literal>MO</literal>, and the <literal>InstallAs</literal> lines installed
@@ -249,16 +249,16 @@
     <para>
     Your program should be now ready. You may try it as follows (linux):
     <screen>
-    user@host:$ LANG=en_US.UTF-8 ./hello
-    Welcome to beautiful world
+user@host:$ LANG=en_US.UTF-8 ./hello
+Welcome to beautiful world
     </screen>
     <screen>
-    user@host:$ LANG=de_DE.UTF-8 ./hello
-    Hallo Welt
+user@host:$ LANG=de_DE.UTF-8 ./hello
+Hallo Welt
     </screen>
     <screen>
-    user@host:$ LANG=pl_PL.UTF-8 ./hello
-    Witaj swiecie
+user@host:$ LANG=pl_PL.UTF-8 ./hello
+Witaj swiecie
     </screen>
     </para>
     <para>
@@ -267,13 +267,13 @@
     swiecie\n"</literal>. Run <command>scons</command> to see how scons
     reacts to this
     <screen>
-    user@host:$scons
-    scons: Reading SConscript files ...
-    scons: done reading SConscript files.
-    scons: Building targets ...
-    msgfmt -c -o pl.mo pl.po
-    Install file: "pl.mo" as "locale/pl/LC_MESSAGES/hello.mo"
-    scons: done building targets.
+user@host:$scons
+scons: Reading SConscript files ...
+scons: done reading SConscript files.
+scons: Building targets ...
+msgfmt -c -o pl.mo pl.po
+Install file: "pl.mo" as "locale/pl/LC_MESSAGES/hello.mo"
+scons: done building targets.
     </screen>
     </para>
     <para>
@@ -281,19 +281,19 @@
     <literal>printf</literal> line with new message.
     <scons_example name="gettext_ex5">
     <file name="hello.c" printme="1">
-    /* hello.c */
-    #include &lt;stdio.h&gt;
-    #include &lt;libintl.h&gt;
-    #include &lt;locale.h&gt;
-    int main(int argc, char* argv[])
-    {
-      bindtextdomain("hello", "locale");
-      setlocale(LC_ALL, "");
-      textdomain("hello");
-      printf(gettext("Hello world\n"));
-      printf(gettext("and good bye\n"));
-      return 0;
-    }
+/* hello.c */
+#include &lt;stdio.h&gt;
+#include &lt;libintl.h&gt;
+#include &lt;locale.h&gt;
+int main(int argc, char* argv[])
+{
+  bindtextdomain("hello", "locale");
+  setlocale(LC_ALL, "");
+  textdomain("hello");
+  printf(gettext("Hello world\n"));
+  printf(gettext("and good bye\n"));
+  return 0;
+}
     </file>
     </scons_example>
     </para>
@@ -302,29 +302,29 @@
     <command>msgmerge(1)</command> program is used by SCons to update
     <literal>PO</literal> file. The output from compilation is like:
     <screen>
-    user@host:$scons
-    scons: Reading SConscript files ...
-    scons: done reading SConscript files.
-    scons: Building targets ...
-    Entering '/home/ptomulik/projects/tmp'
-    xgettext --package-name=hello --package-version=1.0 -o - hello.c
-    Leaving '/home/ptomulik/projects/tmp'
-    Writting 'messages.pot' (messages in file were outdated)
-    msgmerge --update de.po messages.pot
-    ... done.
-    msgfmt -c -o de.mo de.po
-    msgmerge --update en.po messages.pot
-    ... done.
-    msgfmt -c -o en.mo en.po
-    gcc -o hello.o -c hello.c
-    gcc -o hello hello.o
-    Install file: "de.mo" as "locale/de/LC_MESSAGES/hello.mo"
-    Install file: "en.mo" as "locale/en/LC_MESSAGES/hello.mo"
-    msgmerge --update pl.po messages.pot
-    ... done.
-    msgfmt -c -o pl.mo pl.po
-    Install file: "pl.mo" as "locale/pl/LC_MESSAGES/hello.mo"
-    scons: done building targets.
+user@host:$scons
+scons: Reading SConscript files ...
+scons: done reading SConscript files.
+scons: Building targets ...
+Entering '/home/ptomulik/projects/tmp'
+xgettext --package-name=hello --package-version=1.0 -o - hello.c
+Leaving '/home/ptomulik/projects/tmp'
+Writting 'messages.pot' (messages in file were outdated)
+msgmerge --update de.po messages.pot
+... done.
+msgfmt -c -o de.mo de.po
+msgmerge --update en.po messages.pot
+... done.
+msgfmt -c -o en.mo en.po
+gcc -o hello.o -c hello.c
+gcc -o hello hello.o
+Install file: "de.mo" as "locale/de/LC_MESSAGES/hello.mo"
+Install file: "en.mo" as "locale/en/LC_MESSAGES/hello.mo"
+msgmerge --update pl.po messages.pot
+... done.
+msgfmt -c -o pl.mo pl.po
+Install file: "pl.mo" as "locale/pl/LC_MESSAGES/hello.mo"
+scons: done building targets.
     </screen>
     </para>
     <para>
@@ -336,35 +336,35 @@
     line to the program (after the last printf), so its code becomes:
     <scons_example name="gettext_ex6">
     <file name="hello.c" printme="1">
-    /* hello.c */
-    #include &lt;stdio.h&gt;
-    #include &lt;libintl.h&gt;
-    #include &lt;locale.h&gt;
-    int main(int argc, char* argv[])
-    {
-      bindtextdomain("hello", "locale");
-      setlocale(LC_ALL, "");
-      textdomain("hello");
-      printf(gettext("Hello world\n"));
-      printf(gettext("and good bye\n"));
-      printf("----------------\n");
-      return a;
-    }
+/* hello.c */
+#include &lt;stdio.h&gt;
+#include &lt;libintl.h&gt;
+#include &lt;locale.h&gt;
+int main(int argc, char* argv[])
+{
+  bindtextdomain("hello", "locale");
+  setlocale(LC_ALL, "");
+  textdomain("hello");
+  printf(gettext("Hello world\n"));
+  printf(gettext("and good bye\n"));
+  printf("----------------\n");
+  return a;
+}
     </file>
     </scons_example>
     Compile the project. You'll see on your screen
     <screen>
-    user@host:$scons
-    scons: Reading SConscript files ...
-    scons: done reading SConscript files.
-    scons: Building targets ...
-    Entering '/home/ptomulik/projects/tmp'
-    xgettext --package-name=hello --package-version=1.0 -o - hello.c
-    Leaving '/home/ptomulik/projects/tmp'
-    Not writting 'messages.pot' (messages in file found to be up-to-date)
-    gcc -o hello.o -c hello.c
-    gcc -o hello hello.o
-    scons: done building targets.
+user@host:$scons
+scons: Reading SConscript files ...
+scons: done reading SConscript files.
+scons: Building targets ...
+Entering '/home/ptomulik/projects/tmp'
+xgettext --package-name=hello --package-version=1.0 -o - hello.c
+Leaving '/home/ptomulik/projects/tmp'
+Not writting 'messages.pot' (messages in file found to be up-to-date)
+gcc -o hello.o -c hello.c
+gcc -o hello hello.o
+scons: done building targets.
     </screen>
     As you see, the internationalized messages ditn't change, so the
     <literal>POT</literal> and the rest of translation files have not
diff --git a/doc/user/hierarchy.xml b/doc/user/hierarchy.xml
index d2d01e7..9aaecc2 100644
--- a/doc/user/hierarchy.xml
+++ b/doc/user/hierarchy.xml
@@ -219,10 +219,10 @@ make no difference to the build.
     </para>
 
     <sconstruct>
-      SConscript(['drivers/display/SConscript',
-                  'drivers/mouse/SConscript',
-                  'parser/SConscript',
-                  'utilities/SConscript'])
+SConscript(['drivers/display/SConscript',
+            'drivers/mouse/SConscript',
+            'parser/SConscript',
+            'utilities/SConscript'])
     </sconstruct>
 
     <para>
@@ -241,9 +241,9 @@ make no difference to the build.
     </para>
 
     <sconstruct>
-      SConscript(['drivers/SConscript',
-                  'parser/SConscript',
-                  'utilities/SConscript'])
+SConscript(['drivers/SConscript',
+            'parser/SConscript',
+            'utilities/SConscript'])
     </sconstruct>
 
     <para>
@@ -255,8 +255,8 @@ make no difference to the build.
     </para>
 
     <sconstruct>
-      SConscript(['display/SConscript',
-                  'mouse/SConscript'])
+SConscript(['display/SConscript',
+            'mouse/SConscript'])
     </sconstruct>
 
     <para>
@@ -303,36 +303,36 @@ make no difference to the build.
 
     <scons_example name="hierarchy_ex1">
       <file name="SConstruct" printme="1">
-      SConscript(['prog1/SConscript',
-                  'prog2/SConscript'])
+SConscript(['prog1/SConscript',
+            'prog2/SConscript'])
       </file>
       <file name="prog1/SConscript">
-      env = Environment()
-      env.Program('prog1', ['main.c', 'foo1.c', 'foo2.c'])
+env = Environment()
+env.Program('prog1', ['main.c', 'foo1.c', 'foo2.c'])
       </file>
       <file name="prog2/SConscript">
-      env = Environment()
-      env.Program('prog2', ['main.c', 'bar1.c', 'bar2.c'])
+env = Environment()
+env.Program('prog2', ['main.c', 'bar1.c', 'bar2.c'])
       </file>
       <directory name="prog1"></directory>
       <file name="prog1/main.c">
-      x
+x
       </file>
       <file name="prog1/foo1.c">
-      x
+x
       </file>
       <file name="prog1/foo2.c">
-      x
+x
       </file>
       <directory name="prog2"></directory>
       <file name="prog2/main.c">
-      x
+x
       </file>
       <file name="prog2/bar1.c">
-      x
+x
       </file>
       <file name="prog2/bar2.c">
-      x
+x
       </file>
     </scons_example>
 
@@ -404,20 +404,20 @@ make no difference to the build.
 
     <scons_example name="hierarchy_ex2">
        <file name="SConstruct">
-       SConscript('src/prog/SConscript')
+SConscript('src/prog/SConscript')
        </file>
        <file name="src/prog/SConscript" printme="1">
-       env = Environment()
-       env.Program('prog', ['main.c', '#lib/foo1.c', 'foo2.c'])
+env = Environment()
+env.Program('prog', ['main.c', '#lib/foo1.c', 'foo2.c'])
        </file>
        <file name="src/prog/main.c">
-       x
+x
        </file>
        <file name="lib/foo1.c">
-       x
+x
        </file>
        <file name="src/prog/foo2.c">
-       x
+x
        </file>
     </scons_example>
 
@@ -460,20 +460,20 @@ make no difference to the build.
 
     <scons_example name="hierarchy_ex3">
        <file name="SConstruct">
-       SConscript('src/prog/SConscript')
+SConscript('src/prog/SConscript')
        </file>
        <file name="src/prog/SConscript" printme="1">
-       env = Environment()
-       env.Program('prog', ['main.c', '__ROOT__/usr/joe/lib/foo1.c', 'foo2.c'])
+env = Environment()
+env.Program('prog', ['main.c', '__ROOT__/usr/joe/lib/foo1.c', 'foo2.c'])
        </file>
        <file name="src/prog/main.c">
-       x
+x
        </file>
        <file name="__ROOT__/usr/joe/lib/foo1.c">
-       x
+x
        </file>
        <file name="src/prog/foo2.c">
-       x
+x
        </file>
     </scons_example>
 
@@ -549,8 +549,8 @@ make no difference to the build.
       </para>
 
       <sconstruct>
-        env = Environment()
-        Export('env')
+env = Environment()
+Export('env')
       </sconstruct>
 
       <para>
@@ -560,9 +560,9 @@ make no difference to the build.
       </para>
 
       <sconstruct>
-        env = Environment()
-        debug = ARGUMENTS['debug']
-        Export('env', 'debug')
+env = Environment()
+debug = ARGUMENTS['debug']
+Export('env', 'debug')
       </sconstruct>
 
       <para>
@@ -574,7 +574,7 @@ make no difference to the build.
       </para>
 
       <sconstruct>
-        Export('env debug')
+Export('env debug')
       </sconstruct>
 
       <para>
@@ -586,7 +586,7 @@ make no difference to the build.
       </para>
 
       <sconstruct>
-        SConscript('src/SConscript', 'env')
+SConscript('src/SConscript', 'env')
       </sconstruct>
 
       <para>
@@ -596,7 +596,7 @@ make no difference to the build.
       </para>
 
       <sconstruct>
-        SConscript('src/SConscript', exports='env')
+SConscript('src/SConscript', exports='env')
       </sconstruct>
 
       <para>
@@ -609,8 +609,8 @@ make no difference to the build.
       </para>
 
       <sconstruct>
-        SConscript(['src1/SConscript',
-                    'src2/SConscript'], exports='env')
+SConscript(['src1/SConscript',
+            'src2/SConscript'], exports='env')
       </sconstruct>
 
       <para>
@@ -637,8 +637,8 @@ make no difference to the build.
       </para>
 
       <sconstruct>
-        Import('env')
-        env.Program('prog', ['prog.c'])
+Import('env')
+env.Program('prog', ['prog.c'])
       </sconstruct>
 
       <para>
@@ -659,9 +659,9 @@ make no difference to the build.
       </para>
 
       <sconstruct>
-        Import('env', 'debug')
-        env = env.Clone(DEBUG = debug)
-        env.Program('prog', ['prog.c'])
+Import('env', 'debug')
+env = env.Clone(DEBUG = debug)
+env.Program('prog', ['prog.c'])
       </sconstruct>
 
       <para>
@@ -673,9 +673,9 @@ make no difference to the build.
       </para>
 
       <sconstruct>
-        Import('env debug')
-        env = env.Clone(DEBUG = debug)
-        env.Program('prog', ['prog.c'])
+Import('env debug')
+env = env.Clone(DEBUG = debug)
+env.Program('prog', ['prog.c'])
       </sconstruct>
 
       <para>
@@ -688,9 +688,9 @@ make no difference to the build.
       </para>
 
       <sconstruct>
-        Import('*')
-        env = env.Clone(DEBUG = debug)
-        env.Program('prog', ['prog.c'])
+Import('*')
+env = env.Clone(DEBUG = debug)
+env.Program('prog', ['prog.c'])
       </sconstruct>
 
       <para>
@@ -738,31 +738,31 @@ make no difference to the build.
 
       <scons_example name="hierarchy_Return">
         <file name="SConstruct" printme="1">
-          env = Environment()
-          Export('env')
-          objs = []
-          for subdir in ['foo', 'bar']:
-              o = SConscript('%s/SConscript' % subdir)
-              objs.append(o)
-          env.Library('prog', objs)
+env = Environment()
+Export('env')
+objs = []
+for subdir in ['foo', 'bar']:
+    o = SConscript('%s/SConscript' % subdir)
+    objs.append(o)
+env.Library('prog', objs)
         </file>
         <directory name="foo"></directory>
         <directory name="bar"></directory>
         <file name="foo/SConscript">
-          Import('env')
-          obj = env.Object('foo.c')
-          Return('obj')
+Import('env')
+obj = env.Object('foo.c')
+Return('obj')
         </file>
         <file name="bar/SConscript">
-          Import('env')
-          obj = env.Object('bar.c')
-          Return('obj')
+Import('env')
+obj = env.Object('bar.c')
+Return('obj')
         </file>
         <file name="foo/foo.c">
-          void foo(void) { printf("foo/foo.c\n"); }
+void foo(void) { printf("foo/foo.c\n"); }
         </file>
         <file name="bar/bar.c">
-          void bar(void) { printf("bar/bar.c\n"); }
+void bar(void) { printf("bar/bar.c\n"); }
         </file>
       </scons_example>
 
diff --git a/doc/user/install.xml b/doc/user/install.xml
index 7c2f00e..159b886 100644
--- a/doc/user/install.xml
+++ b/doc/user/install.xml
@@ -58,12 +58,12 @@
 
   <scons_example name="install_ex1">
      <file name="SConstruct" printme="1">
-     env = Environment()
-     hello = env.Program('hello.c')
-     env.Install('__ROOT__/usr/bin', hello)
+env = Environment()
+hello = env.Program('hello.c')
+env.Install('__ROOT__/usr/bin', hello)
      </file>
      <file name="hello.c">
-     int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
      </file>
   </scons_example>
 
@@ -104,13 +104,13 @@
 
   <scons_example name="install_ex2">
     <file name="SConstruct" printme="1">
-     env = Environment()
-     hello = env.Program('hello.c')
-     env.Install('__ROOT__/usr/bin', hello)
-     env.Alias('install', '__ROOT__/usr/bin')
+env = Environment()
+hello = env.Program('hello.c')
+env.Install('__ROOT__/usr/bin', hello)
+env.Alias('install', '__ROOT__/usr/bin')
     </file>
     <file name="hello.c">
-    int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
     </file>
   </scons_example>
 
@@ -139,18 +139,18 @@
 
     <scons_example name="install_ex3">
       <file name="SConstruct" printme="1">
-       env = Environment()
-       hello = env.Program('hello.c')
-       goodbye = env.Program('goodbye.c')
-       env.Install('__ROOT__/usr/bin', hello)
-       env.Install('__ROOT__/usr/bin', goodbye)
-       env.Alias('install', '__ROOT__/usr/bin')
+env = Environment()
+hello = env.Program('hello.c')
+goodbye = env.Program('goodbye.c')
+env.Install('__ROOT__/usr/bin', hello)
+env.Install('__ROOT__/usr/bin', goodbye)
+env.Alias('install', '__ROOT__/usr/bin')
       </file>
       <file name="hello.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
       <file name="goodbye.c">
-      int main() { printf("Goodbye, world!\n"); }
+int main() { printf("Goodbye, world!\n"); }
       </file>
     </scons_example>
 
@@ -163,11 +163,11 @@
     </para>
 
     <sconstruct>
-       env = Environment()
-       hello = env.Program('hello.c')
-       goodbye = env.Program('goodbye.c')
-       env.Install('__ROOT__/usr/bin', [hello, goodbye])
-       env.Alias('install', '__ROOT__/usr/bin')
+env = Environment()
+hello = env.Program('hello.c')
+goodbye = env.Program('goodbye.c')
+env.Install('__ROOT__/usr/bin', [hello, goodbye])
+env.Alias('install', '__ROOT__/usr/bin')
     </sconstruct>
 
     <para>
@@ -197,13 +197,13 @@
 
     <scons_example name="install_ex4">
       <file name="SConstruct" printme="1">
-       env = Environment()
-       hello = env.Program('hello.c')
-       env.InstallAs('__ROOT__/usr/bin/hello-new', hello)
-       env.Alias('install', '__ROOT__/usr/bin')
+env = Environment()
+hello = env.Program('hello.c')
+env.InstallAs('__ROOT__/usr/bin/hello-new', hello)
+env.Alias('install', '__ROOT__/usr/bin')
       </file>
       <file name="hello.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
     </scons_example>
 
@@ -237,19 +237,19 @@
 
     <scons_example name="install_ex5">
       <file name="SConstruct" printme="1">
-       env = Environment()
-       hello = env.Program('hello.c')
-       goodbye = env.Program('goodbye.c')
-       env.InstallAs(['__ROOT__/usr/bin/hello-new',
-                      '__ROOT__/usr/bin/goodbye-new'],
-                     [hello, goodbye])
-       env.Alias('install', '__ROOT__/usr/bin')
+env = Environment()
+hello = env.Program('hello.c')
+goodbye = env.Program('goodbye.c')
+env.InstallAs(['__ROOT__/usr/bin/hello-new',
+               '__ROOT__/usr/bin/goodbye-new'],
+               [hello, goodbye])
+env.Alias('install', '__ROOT__/usr/bin')
       </file>
       <file name="hello.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
       <file name="goodbye.c">
-      int main() { printf("Goodbye, world!\n"); }
+int main() { printf("Goodbye, world!\n"); }
       </file>
     </scons_example>
 
diff --git a/doc/user/java.xml b/doc/user/java.xml
index 418faf6..40a82a3 100644
--- a/doc/user/java.xml
+++ b/doc/user/java.xml
@@ -80,34 +80,34 @@
 
     <scons_example name="java_java">
       <file name="SConstruct" printme="1">
-      Java('classes', 'src')
+Java('classes', 'src')
       </file>
       <file name="src/Example1.java">
-      public class Example1
-      {
-        public static void main(String[] args)
-        {
-          System.out.println("Hello Java world!\n");
-        }
-      }
+public class Example1
+{
+  public static void main(String[] args)
+  {
+    System.out.println("Hello Java world!\n");
+  }
+}
       </file>
       <file name="src/Example2.java">
-      public class Example2
-      {
-        public static void main(String[] args)
-        {
-          System.out.println("Hello Java world!\n");
-        }
-      }
+public class Example2
+{
+  public static void main(String[] args)
+  {
+    System.out.println("Hello Java world!\n");
+  }
+}
       </file>
       <file name="src/Example3.java">
-      public class Example3
-      {
-        public static void main(String[] args)
-        {
-          System.out.println("Hello Java world!\n");
-        }
-      }
+public class Example3
+{
+  public static void main(String[] args)
+  {
+    System.out.println("Hello Java world!\n");
+  }
+}
       </file>
     </scons_example>
 
@@ -155,50 +155,50 @@
 
     <scons_example name="java_java-classes">
       <file name="SConstruct" printme="1">
-      Java('classes', 'src')
+Java('classes', 'src')
       </file>
       <file name="src/Example1.java">
-      public class Example1
-      {
-        public static void main(String[] args)
-        {
-          System.out.println("Hello Java world!\n");
-        }
-      }
-      public class AdditionalClass1
-      {
-        public static void main(String[] args)
-        {
-          System.out.println("Hello Java world!\n");
-        }
-      }
+public class Example1
+{
+  public static void main(String[] args)
+  {
+    System.out.println("Hello Java world!\n");
+  }
+}
+public class AdditionalClass1
+{
+  public static void main(String[] args)
+  {
+    System.out.println("Hello Java world!\n");
+  }
+}
       </file>
       <file name="src/Example2.java">
-      public class Example2
-      {
-        class Inner2 {
-          public static void main(String[] args)
-          {
-            System.out.println("Hello Java world!\n");
-          }
-        }
-      }
+public class Example2
+{
+  class Inner2 {
+    public static void main(String[] args)
+    {
+      System.out.println("Hello Java world!\n");
+    }
+  }
+}
       </file>
       <file name="src/Example3.java">
-      public class Example3
-      {
-        public static void main(String[] args)
-        {
-          System.out.println("Hello Java world!\n");
-        }
-      }
-      public class AdditionalClass3
-      {
-        public static void main(String[] args)
-        {
-          System.out.println("Hello Java world!\n");
-        }
-      }
+public class Example3
+{
+  public static void main(String[] args)
+  {
+    System.out.println("Hello Java world!\n");
+  }
+}
+public class AdditionalClass3
+{
+  public static void main(String[] args)
+  {
+    System.out.println("Hello Java world!\n");
+  }
+}
       </file>
     </scons_example>
 
@@ -253,7 +253,7 @@
     </para> 
 
     <sconstruct>
-      Java('classes', 'src', JAVAVERSION='1.6')
+Java('classes', 'src', JAVAVERSION='1.6')
     </sconstruct>
 
     <para>
@@ -280,35 +280,35 @@
 
     <scons_example name="java_jar1">
       <file name="SConstruct" printme="1">
-      Java(target = 'classes', source = 'src')
-      Jar(target = 'test.jar', source = 'classes')
+Java(target = 'classes', source = 'src')
+Jar(target = 'test.jar', source = 'classes')
       </file>
       <file name="src/Example1.java">
-      public class Example1
-      {
-        public static void main(String[] args)
-        {
-          System.out.println("Hello Java world!\n");
-        }
-      }
+public class Example1
+{
+  public static void main(String[] args)
+  {
+    System.out.println("Hello Java world!\n");
+  }
+}
       </file>
       <file name="src/Example2.java">
-      public class Example2
-      {
-        public static void main(String[] args)
-        {
-          System.out.println("Hello Java world!\n");
-        }
-      }
+public class Example2
+{
+  public static void main(String[] args)
+  {
+    System.out.println("Hello Java world!\n");
+  }
+}
       </file>
       <file name="src/Example3.java">
-      public class Example3
-      {
-        public static void main(String[] args)
-        {
-          System.out.println("Hello Java world!\n");
-        }
-      }
+public class Example3
+{
+  public static void main(String[] args)
+  {
+    System.out.println("Hello Java world!\n");
+  }
+}
       </file>
     </scons_example>
 
@@ -344,46 +344,46 @@
 
     <scons_example name="java_jar2">
       <file name="SConstruct" printme="1">
-      prog1_class_files = Java(target = 'classes', source = 'prog1')
-      prog2_class_files = Java(target = 'classes', source = 'prog2')
-      Jar(target = 'prog1.jar', source = prog1_class_files)
-      Jar(target = 'prog2.jar', source = prog2_class_files)
+prog1_class_files = Java(target = 'classes', source = 'prog1')
+prog2_class_files = Java(target = 'classes', source = 'prog2')
+Jar(target = 'prog1.jar', source = prog1_class_files)
+Jar(target = 'prog2.jar', source = prog2_class_files)
       </file>
       <file name="prog1/Example1.java">
-      public class Example1
-      {
-        public static void main(String[] args)
-        {
-          System.out.println("Hello Java world!\n");
-        }
-      }
+public class Example1
+{
+  public static void main(String[] args)
+  {
+    System.out.println("Hello Java world!\n");
+  }
+}
       </file>
       <file name="prog1/Example2.java">
-      public class Example2
-      {
-        public static void main(String[] args)
-        {
-          System.out.println("Hello Java world!\n");
-        }
-      }
+public class Example2
+{
+  public static void main(String[] args)
+  {
+    System.out.println("Hello Java world!\n");
+  }
+}
       </file>
       <file name="prog2/Example3.java">
-      public class Example3
-      {
-        public static void main(String[] args)
-        {
-          System.out.println("Hello Java world!\n");
-        }
-      }
+public class Example3
+{
+  public static void main(String[] args)
+  {
+    System.out.println("Hello Java world!\n");
+  }
+}
       </file>
       <file name="prog2/Example4.java">
-      public class Example4
-      {
-        public static void main(String[] args)
-        {
-          System.out.println("Hello Java world!\n");
-        }
-      }
+public class Example4
+{
+  public static void main(String[] args)
+  {
+    System.out.println("Hello Java world!\n");
+  }
+}
       </file>
     </scons_example>
 
@@ -418,35 +418,35 @@
 
     <scons_example name="java_javah">
       <file name="SConstruct" printme="1">
-      classes = Java(target = 'classes', source = 'src/pkg/sub')
-      JavaH(target = 'native', source = classes)
+classes = Java(target = 'classes', source = 'src/pkg/sub')
+JavaH(target = 'native', source = classes)
       </file>
       <file name="src/pkg/sub/Example1.java">
-      package pkg.sub;
-      public class Example1
-      {
-        public static void main(String[] args)
-        {
-        }
-      }
+package pkg.sub;
+public class Example1
+{
+  public static void main(String[] args)
+  {
+  }
+}
       </file>
       <file name="src/pkg/sub/Example2.java">
-      package pkg.sub;
-      public class Example2
-      {
-        public static void main(String[] args)
-        {
-        }
-      }
+package pkg.sub;
+public class Example2
+{
+  public static void main(String[] args)
+  {
+  }
+}
       </file>
       <file name="src/pkg/sub/Example3.java">
-      package pkg.sub;
-      public class Example3
-      {
-        public static void main(String[] args)
-        {
-        }
-      }
+package pkg.sub;
+public class Example3
+{
+  public static void main(String[] args)
+  {
+  }
+}
       </file>
     </scons_example>
 
@@ -502,38 +502,38 @@
 
     <scons_example name="java_JAVACLASSDIR">
       <file name="SConstruct" printme="1">
-      Java(target = 'classes', source = 'src/pkg/sub')
-      class_file_list = ['classes/pkg/sub/Example1.class',
-                         'classes/pkg/sub/Example2.class',
-                         'classes/pkg/sub/Example3.class']
-      JavaH(target = 'native', source = class_file_list, JAVACLASSDIR = 'classes')
+Java(target = 'classes', source = 'src/pkg/sub')
+class_file_list = ['classes/pkg/sub/Example1.class',
+                   'classes/pkg/sub/Example2.class',
+                   'classes/pkg/sub/Example3.class']
+JavaH(target = 'native', source = class_file_list, JAVACLASSDIR = 'classes')
       </file>
       <file name="src/pkg/sub/Example1.java">
-      package pkg.sub;
-      public class Example1
-      {
-        public static void main(String[] args)
-        {
-        }
-      }
+package pkg.sub;
+public class Example1
+{
+  public static void main(String[] args)
+  {
+  }
+}
       </file>
       <file name="src/pkg/sub/Example2.java">
-      package pkg.sub;
-      public class Example2
-      {
-        public static void main(String[] args)
-        {
-        }
-      }
+package pkg.sub;
+public class Example2
+{
+  public static void main(String[] args)
+  {
+  }
+}
       </file>
       <file name="src/pkg/sub/Example3.java">
-      package pkg.sub;
-      public class Example3
-      {
-        public static void main(String[] args)
-        {
-        }
-      }
+package pkg.sub;
+public class Example3
+{
+  public static void main(String[] args)
+  {
+  }
+}
       </file>
     </scons_example>
 
@@ -560,35 +560,35 @@
 
     <scons_example name="java_javah_file">
       <file name="SConstruct" printme="1">
-      classes = Java(target = 'classes', source = 'src/pkg/sub')
-      JavaH(target = File('native.h'), source = classes)
+classes = Java(target = 'classes', source = 'src/pkg/sub')
+JavaH(target = File('native.h'), source = classes)
       </file>
       <file name="src/pkg/sub/Example1.java">
-      package pkg.sub;
-      public class Example1
-      {
-        public static void main(String[] args)
-        {
-        }
-      }
+package pkg.sub;
+public class Example1
+{
+  public static void main(String[] args)
+  {
+  }
+}
       </file>
       <file name="src/pkg/sub/Example2.java">
-      package pkg.sub;
-      public class Example2
-      {
-        public static void main(String[] args)
-        {
-        }
-      }
+package pkg.sub;
+public class Example2
+{
+  public static void main(String[] args)
+  {
+  }
+}
       </file>
       <file name="src/pkg/sub/Example3.java">
-      package pkg.sub;
-      public class Example3
-      {
-        public static void main(String[] args)
-        {
-        }
-      }
+package pkg.sub;
+public class Example3
+{
+  public static void main(String[] args)
+  {
+  }
+}
       </file>
     </scons_example>
 
@@ -629,26 +629,26 @@
 
     <scons_example name="java_RMIC">
       <file name="SConstruct" printme="1">
-      classes = Java(target = 'classes', source = 'src/pkg/sub')
-      RMIC(target = 'outdir', source = classes)
+classes = Java(target = 'classes', source = 'src/pkg/sub')
+RMIC(target = 'outdir', source = classes)
       </file>
       <file name="src/pkg/sub/Example1.java">
-      package pkg.sub;
-      public class Example1
-      {
-        public static void main(String[] args)
-        {
-        }
-      }
+package pkg.sub;
+public class Example1
+{
+  public static void main(String[] args)
+  {
+  }
+}
       </file>
       <file name="src/pkg/sub/Example2.java">
-      package pkg.sub;
-      public class Example2
-      {
-        public static void main(String[] args)
-        {
-        }
-      }
+package pkg.sub;
+public class Example2
+{
+  public static void main(String[] args)
+  {
+  }
+}
       </file>
     </scons_example>
 
diff --git a/doc/user/less-simple.xml b/doc/user/less-simple.xml
index 53e6433..41a1f3d 100644
--- a/doc/user/less-simple.xml
+++ b/doc/user/less-simple.xml
@@ -72,7 +72,7 @@
     </para>
 
     <programlisting>
-       Program('hello.c')
+Program('hello.c')
     </programlisting>
 
     <para>
@@ -86,10 +86,10 @@
 
     <scons_example name="lesssimple_target">
        <file name="SConstruct" printme="1">
-       Program('new_hello', 'hello.c')
+Program('new_hello', 'hello.c')
        </file>
        <file name="hello.c">
-       int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
        </file>
     </scons_example>
 
@@ -147,16 +147,16 @@
 
     <scons_example name="lesssimple_ex2">
        <file name="SConstruct" printme="1">
-       Program(['prog.c', 'file1.c', 'file2.c'])
+Program(['prog.c', 'file1.c', 'file2.c'])
        </file>
        <file name="prog.c">
-       int main() { printf("prog.c\n"); }
+int main() { printf("prog.c\n"); }
        </file>
        <file name="file1.c">
-       void file1() { printf("file1.c\n"); }
+void file1() { printf("file1.c\n"); }
        </file>
        <file name="file2.c">
-       void file2() { printf("file2.c\n"); }
+void file2() { printf("file2.c\n"); }
        </file>
     </scons_example>
 
@@ -194,16 +194,16 @@
 
     <scons_example name="lesssimple_ex3">
        <file name="SConstruct" printme="1">
-       Program('program', ['prog.c', 'file1.c', 'file2.c'])
+Program('program', ['prog.c', 'file1.c', 'file2.c'])
        </file>
        <file name="prog.c">
-       int main() { printf("prog.c\n"); }
+int main() { printf("prog.c\n"); }
        </file>
        <file name="file1.c">
-       void file1() { printf("file1.c\n"); }
+void file1() { printf("file1.c\n"); }
        </file>
        <file name="file2.c">
-       void file2() { printf("file2.c\n"); }
+void file2() { printf("file2.c\n"); }
        </file>
     </scons_example>
 
@@ -247,7 +247,7 @@
     </para>
 
     <sconstruct>
-       Program('program', Glob('*.c'))
+Program('program', Glob('*.c'))
     </sconstruct>
 
     <para>
@@ -275,7 +275,7 @@
     </para>
 
     <sconstruct>
-       Program('hello', ['file1.c', 'file2.c'])
+Program('hello', ['file1.c', 'file2.c'])
     </sconstruct>
 
     <para>
@@ -285,7 +285,7 @@
     </para>
 
     <sconstruct>
-       Program('hello', 'hello.c')
+Program('hello', 'hello.c')
     </sconstruct>
 
     <para>
@@ -296,7 +296,7 @@
     </para>
 
     <sconstruct>
-       Program('hello', ['hello.c'])
+Program('hello', ['hello.c'])
     </sconstruct>
 
     <para>
@@ -324,9 +324,9 @@
     </para>
 
     <sconstruct>
-       # The following two calls both work correctly:
-       Program('program1', 'program1.c')
-       Program('program2', ['program2.c'])
+# The following two calls both work correctly:
+Program('program1', 'program1.c')
+Program('program2', ['program2.c'])
     </sconstruct>
 
     <para>
@@ -337,15 +337,15 @@
     </para>
 
     <sconstruct>
-       common_sources = ['file1.c', 'file2.c']
+common_sources = ['file1.c', 'file2.c']
 
-       # THE FOLLOWING IS INCORRECT AND GENERATES A PYTHON ERROR
-       # BECAUSE IT TRIES TO ADD A STRING TO A LIST:
-       Program('program1', common_sources + 'program1.c')
+# THE FOLLOWING IS INCORRECT AND GENERATES A PYTHON ERROR
+# BECAUSE IT TRIES TO ADD A STRING TO A LIST:
+Program('program1', common_sources + 'program1.c')
 
-       # The following works correctly, because it's adding two
-       # lists together to make another list.
-       Program('program2', common_sources + ['program2.c'])
+# The following works correctly, because it's adding two
+# lists together to make another list.
+Program('program2', common_sources + ['program2.c'])
     </sconstruct>
 
     </important>
@@ -383,7 +383,7 @@
     </para>
 
     <programlisting>
-       Program('program', Split('main.c file1.c file2.c'))
+Program('program', Split('main.c file1.c file2.c'))
     </programlisting>
 
     <para>
@@ -417,8 +417,8 @@
     </para>
 
     <programlisting>
-       src_files = Split('main.c file1.c file2.c')
-       Program('program', src_files)
+src_files = Split('main.c file1.c file2.c')
+Program('program', src_files)
     </programlisting>
 
     <para>
@@ -433,10 +433,10 @@
     </para>
 
     <programlisting>
-       src_files = Split("""main.c
-                            file1.c
-                            file2.c""")
-       Program('program', src_files)
+src_files = Split("""main.c
+                     file1.c
+                     file2.c""")
+Program('program', src_files)
     </programlisting>
 
     <para>
@@ -469,8 +469,8 @@
     </para>
 
     <programlisting>
-       src_files = Split('main.c file1.c file2.c')
-       Program(target = 'program', source = src_files)
+src_files = Split('main.c file1.c file2.c')
+Program(target = 'program', source = src_files)
     </programlisting>
 
     <para>
@@ -482,8 +482,8 @@
     </para>
 
     <programlisting>
-       src_files = Split('main.c file1.c file2.c')
-       Program(source = src_files, target = 'program')
+src_files = Split('main.c file1.c file2.c')
+Program(source = src_files, target = 'program')
     </programlisting>
 
     <para>
@@ -514,17 +514,17 @@
 
     <scons_example name="lesssimple_ex4">
        <file name="SConstruct" printme="1">
-       Program('foo.c')
-       Program('bar', ['bar1.c', 'bar2.c'])
+Program('foo.c')
+Program('bar', ['bar1.c', 'bar2.c'])
        </file>
        <file name="foo.c">
-       int main() { printf("foo.c\n"); }
+int main() { printf("foo.c\n"); }
        </file>
        <file name="bar1.c">
-       int main() { printf("bar1.c\n"); }
+int main() { printf("bar1.c\n"); }
        </file>
        <file name="bar2.c">
-       void bar2() { printf("bar2.c\n"); }
+void bar2() { printf("bar2.c\n"); }
        </file>
     </scons_example>
 
@@ -579,23 +579,23 @@
 
     <scons_example name="lesssimple_ex5">
        <file name="SConstruct" printme="1">
-       Program(Split('foo.c common1.c common2.c'))
-       Program('bar', Split('bar1.c bar2.c common1.c common2.c'))
+Program(Split('foo.c common1.c common2.c'))
+Program('bar', Split('bar1.c bar2.c common1.c common2.c'))
        </file>
        <file name="foo.c">
-       int main() { printf("foo.c\n"); }
+int main() { printf("foo.c\n"); }
        </file>
        <file name="bar1.c">
-       int main() { printf("bar1.c\n"); }
+int main() { printf("bar1.c\n"); }
        </file>
        <file name="bar2.c">
-       int bar2() { printf("bar2.c\n"); }
+int bar2() { printf("bar2.c\n"); }
        </file>
        <file name="common1.c">
-       void common1() { printf("common1.c\n"); }
+void common1() { printf("common1.c\n"); }
        </file>
        <file name="common2.c">
-       void common22() { printf("common2.c\n"); }
+void common22() { printf("common2.c\n"); }
        </file>
     </scons_example>
 
@@ -628,11 +628,11 @@
     </para>
 
     <programlisting>
-       common = ['common1.c', 'common2.c']
-       foo_files = ['foo.c'] + common
-       bar_files = ['bar1.c', 'bar2.c'] + common
-       Program('foo', foo_files)
-       Program('bar', bar_files)
+common = ['common1.c', 'common2.c']
+foo_files = ['foo.c'] + common
+bar_files = ['bar1.c', 'bar2.c'] + common
+Program('foo', foo_files)
+Program('bar', bar_files)
     </programlisting>
 
     <para>
diff --git a/doc/user/libraries.xml b/doc/user/libraries.xml
index 1b43a48..63d4544 100644
--- a/doc/user/libraries.xml
+++ b/doc/user/libraries.xml
@@ -65,16 +65,16 @@
 
     <scons_example name="libraries_ex1" printme="1">
       <file name="SConstruct" printme="1">
-      Library('foo', ['f1.c', 'f2.c', 'f3.c'])
+Library('foo', ['f1.c', 'f2.c', 'f3.c'])
       </file>
       <file name="f1.c">
-      void f1() { printf("f1.c\n"); }
+void f1() { printf("f1.c\n"); }
       </file>
       <file name="f2.c">
-      void f2() { printf("f2.c\n"); }
+void f2() { printf("f2.c\n"); }
       </file>
       <file name="f3.c">
-      void f3() { printf("f3.c\n"); }
+void f3() { printf("f3.c\n"); }
       </file>
     </scons_example>
 
@@ -131,19 +131,19 @@
 
       <scons_example name="libraries_objects" printme="1">
         <file name="SConstruct" printme="1">
-        Library('foo', ['f1.c', 'f2.o', 'f3.c', 'f4.o'])
+Library('foo', ['f1.c', 'f2.o', 'f3.c', 'f4.o'])
         </file>
         <file name="f1.c">
-        void f1() { printf("f1.c\n"); }
+void f1() { printf("f1.c\n"); }
         </file>
         <file name="f2.o">
-        object file
+object file
         </file>
         <file name="f3.c">
-        void f3() { printf("f3.c\n"); }
+void f3() { printf("f3.c\n"); }
         </file>
         <file name="f4.o">
-        object file
+object file
         </file>
       </scons_example>
 
@@ -186,7 +186,7 @@
 
       <scons_example name="libraries_StaticLibrary" printme="1">
         <file name="SConstruct" printme="1">
-        StaticLibrary('foo', ['f1.c', 'f2.c', 'f3.c'])
+StaticLibrary('foo', ['f1.c', 'f2.c', 'f3.c'])
         </file>
       </scons_example>
 
@@ -212,16 +212,16 @@
 
       <scons_example name="libraries_SharedLibrary" printme="1">
         <file name="SConstruct" printme="1">
-        SharedLibrary('foo', ['f1.c', 'f2.c', 'f3.c'])
+SharedLibrary('foo', ['f1.c', 'f2.c', 'f3.c'])
         </file>
         <file name="f1.c">
-        void f1() { printf("f1.c\n"); }
+void f1() { printf("f1.c\n"); }
         </file>
         <file name="f2.c">
-        void f2() { printf("f2.c\n"); }
+void f2() { printf("f2.c\n"); }
         </file>
         <file name="f3.c">
-        void f3() { printf("f3.c\n"); }
+void f3() { printf("f3.c\n"); }
         </file>
       </scons_example>
 
@@ -280,20 +280,20 @@
 
     <scons_example name="libraries_ex2">
       <file name="SConstruct" printme="1">
-      Library('foo', ['f1.c', 'f2.c', 'f3.c'])
-      Program('prog.c', LIBS=['foo', 'bar'], LIBPATH='.')
+Library('foo', ['f1.c', 'f2.c', 'f3.c'])
+Program('prog.c', LIBS=['foo', 'bar'], LIBPATH='.')
       </file>
       <file name="f1.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
       <file name="f2.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
       <file name="f3.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
       <file name="prog.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
     </scons_example>
 
@@ -347,7 +347,7 @@
     </para>
 
     <sconstruct>
-      Program('prog.c', LIBS='foo', LIBPATH='.')
+Program('prog.c', LIBS='foo', LIBPATH='.')
     </sconstruct>
 
     <para>
@@ -357,7 +357,7 @@
     </para>
 
     <sconstruct>
-      Program('prog.c', LIBS=['foo'], LIBPATH='.')
+Program('prog.c', LIBS=['foo'], LIBPATH='.')
     </sconstruct>
 
     <para>
@@ -387,11 +387,11 @@
 
     <scons_example name="libraries_ex3">
       <file name="SConstruct" printme="1">
-      Program('prog.c', LIBS = 'm',
-                        LIBPATH = ['/usr/lib', '/usr/local/lib'])
+Program('prog.c', LIBS = 'm',
+                  LIBPATH = ['/usr/lib', '/usr/local/lib'])
       </file>
       <file name="prog.c">
-      int main() { printf("prog.c\n"); }
+int main() { printf("prog.c\n"); }
       </file>
     </scons_example>
 
@@ -406,7 +406,7 @@
     </para>
 
     <sconstruct>
-      LIBPATH = '/usr/lib:/usr/local/lib'
+LIBPATH = '/usr/lib:/usr/local/lib'
     </sconstruct>
 
     <para>
@@ -416,7 +416,7 @@
     </para>
 
     <sconstruct>
-      LIBPATH = 'C:\\lib;D:\\lib'
+LIBPATH = 'C:\\lib;D:\\lib'
     </sconstruct>
 
     <para>
diff --git a/doc/user/mergeflags.xml b/doc/user/mergeflags.xml
index 393cfbc..1143ee9 100644
--- a/doc/user/mergeflags.xml
+++ b/doc/user/mergeflags.xml
@@ -73,11 +73,11 @@
 
  <scons_example name="mergeflags_MergeFlags1">
    <file name="SConstruct" printme="1">
-    env = Environment()
-    env.Append(CCFLAGS = '-option -O3 -O1')
-    flags = { 'CCFLAGS' : '-whatever -O3' }
-    env.MergeFlags(flags)
-    print env['CCFLAGS']
+env = Environment()
+env.Append(CCFLAGS = '-option -O3 -O1')
+flags = { 'CCFLAGS' : '-whatever -O3' }
+env.MergeFlags(flags)
+print env['CCFLAGS']
    </file>
  </scons_example>
 
@@ -100,11 +100,11 @@
 
  <scons_example name="mergeflags_MergeFlags2">
    <file name="SConstruct" printme="1">
-    env = Environment()
-    env.Append(CPPPATH = ['/include', '/usr/local/include', '/usr/include'])
-    flags = { 'CPPPATH' : ['/usr/opt/include', '/usr/local/include'] }
-    env.MergeFlags(flags)
-    print env['CPPPATH']
+env = Environment()
+env.Append(CPPPATH = ['/include', '/usr/local/include', '/usr/include'])
+flags = { 'CPPPATH' : ['/usr/opt/include', '/usr/local/include'] }
+env.MergeFlags(flags)
+print env['CPPPATH']
    </file>
  </scons_example>
 
@@ -134,12 +134,12 @@
 
  <scons_example name="mergeflags_MergeFlags3">
    <file name="SConstruct" printme="1">
-    env = Environment()
-    env.Append(CCFLAGS = '-option -O3 -O1')
-    env.Append(CPPPATH = ['/include', '/usr/local/include', '/usr/include'])
-    env.MergeFlags('-whatever -I/usr/opt/include -O3 -I/usr/local/include')
-    print env['CCFLAGS']
-    print env['CPPPATH']
+env = Environment()
+env.Append(CCFLAGS = '-option -O3 -O1')
+env.Append(CPPPATH = ['/include', '/usr/local/include', '/usr/include'])
+env.MergeFlags('-whatever -I/usr/opt/include -O3 -I/usr/local/include')
+print env['CCFLAGS']
+print env['CPPPATH']
    </file>
  </scons_example>
 
diff --git a/doc/user/misc.xml b/doc/user/misc.xml
index 3739302..d0aeb59 100644
--- a/doc/user/misc.xml
+++ b/doc/user/misc.xml
@@ -91,14 +91,14 @@
 
     <scons_example name="misc_EnsurePythonVersion">
       <file name="SConstruct" printme="1">
-      EnsurePythonVersion(2, 5)
+EnsurePythonVersion(2, 5)
       </file>
     </scons_example>
 
     -->
 
     <sconstruct>
-      EnsurePythonVersion(2, 5)
+EnsurePythonVersion(2, 5)
     </sconstruct>
 
     <para>
@@ -122,8 +122,8 @@
     -->
 
     <screen>
-      % <userinput>scons -Q</userinput>
-      Python 2.5 or greater required, but you have Python 2.3.6
+% <userinput>scons -Q</userinput>
+Python 2.5 or greater required, but you have Python 2.3.6
     </screen>
 
   </section>
@@ -160,14 +160,14 @@
 
     <scons_example name="misc_EnsureSConsVersion">
       <file name="SConstruct" printme="1">
-      EnsureSConsVersion(1, 0)
+EnsureSConsVersion(1, 0)
       </file>
     </scons_example>
 
     -->
 
     <sconstruct>
-      EnsureSConsVersion(1, 0)
+EnsureSConsVersion(1, 0)
     </sconstruct>
 
     <para>
@@ -191,8 +191,8 @@
     -->
 
     <screen>
-      % <userinput>scons -Q</userinput>
-      SCons 1.0 or greater required, but you have SCons 0.98.5
+% <userinput>scons -Q</userinput>
+SCons 1.0 or greater required, but you have SCons 0.98.5
     </screen>
 
   </section>
@@ -212,14 +212,14 @@
 
     <scons_example name="misc_Exit">
       <file name="SConstruct" printme="1">
-      if ARGUMENTS.get('FUTURE'):
-          print "The FUTURE option is not supported yet!"
-          Exit(2)
-      env = Environment()
-      env.Program('hello.c')
+if ARGUMENTS.get('FUTURE'):
+    print "The FUTURE option is not supported yet!"
+    Exit(2)
+env = Environment()
+env.Program('hello.c')
       </file>
       <file name="hello.c">
-      hello.c
+hello.c
       </file>
     </scons_example>
 
@@ -268,13 +268,13 @@
 
     <scons_example name="misc_FindFile1a">
       <file name="SConstruct" printme="1">
-       # one directory
-       print FindFile('missing', '.')
-       t = FindFile('exists', '.')
-       print t.__class__, t
+# one directory
+print FindFile('missing', '.')
+t = FindFile('exists', '.')
+print t.__class__, t
       </file>
       <file name="exists">
-        exists
+ exists
       </file>
     </scons_example>
 
@@ -284,23 +284,23 @@
 
     <scons_example name="misc_FindFile1b">
       <file name="SConstruct" printme="1">
-       # several directories
-       includes = [ '.', 'include', 'src/include']
-       headers = [ 'nonesuch.h', 'config.h', 'private.h', 'dist.h']
-       for hdr in headers:
-           print '%-12s' % ('%s:' % hdr), FindFile(hdr, includes)
+# several directories
+includes = [ '.', 'include', 'src/include']
+headers = [ 'nonesuch.h', 'config.h', 'private.h', 'dist.h']
+for hdr in headers:
+    print '%-12s' % ('%s:' % hdr), FindFile(hdr, includes)
       </file>
       <file name="config.h">
-        exists
+exists
       </file>
       <directory name="src"></directory>
       <directory name="src/include"></directory>
       <file name="src/include/private.h">
-        exists
+exists
       </file>
       <directory name="include"></directory>
       <file name="include/dist.h">
-        exists
+exists
       </file>
     </scons_example>
 
@@ -318,23 +318,23 @@
 
     <scons_example name="misc_FindFile1c">
       <file name="SConstruct" printme="1">
-       # several directories
-       includes = [ '.', 'include', 'src/include']
-       headers = [ 'nonesuch.h', 'config.h', 'private.h', 'dist.h']
-       print FindFile(headers, includes)
+# several directories
+includes = [ '.', 'include', 'src/include']
+headers = [ 'nonesuch.h', 'config.h', 'private.h', 'dist.h']
+print FindFile(headers, includes)
       </file>
       <file name="config.h">
-        exists
+exists
       </file>
       <directory name="src"></directory>
       <directory name="src/include"></directory>
       </file>
       <file name="src/include/private.h">
-        exists
+exists
       <directory name="include"></directory>
       </file>
       <file name="include/dist.h">
-        exists
+exists
     </scons_example>
 
     <scons_output example="misc_FindFile1c" os="posix" suffix="1">
@@ -351,21 +351,21 @@
 
     <scons_example name="misc_FindFile1d">
       <file name="SConstruct" printme="1">
-        print FindFile('multiple', ['sub1', 'sub2', 'sub3'])
-        print FindFile('multiple', ['sub2', 'sub3', 'sub1'])
-        print FindFile('multiple', ['sub3', 'sub1', 'sub2'])
+print FindFile('multiple', ['sub1', 'sub2', 'sub3'])
+print FindFile('multiple', ['sub2', 'sub3', 'sub1'])
+print FindFile('multiple', ['sub3', 'sub1', 'sub2'])
       </file>
       <directory name="sub1"></directory>
       <file name="sub1/multiple">
-        exists
+exists
       </file>
       <directory name="sub2"></directory>
       <file name="sub2/multiple">
-        exists
+exists
       </file>
       <directory name="sub3"></directory>
       <file name="sub3/multiple">
-        exists
+exists
       </file>
     </scons_example>
 
@@ -385,10 +385,10 @@
 
     <scons_example name="misc_FindFile2">
       <file name="SConstruct" printme="1">
-       # Neither file exists, so build will fail
-       Command('derived', 'leaf', 'cat >$TARGET $SOURCE')
-       print FindFile('leaf', '.')
-       print FindFile('derived', '.')
+# Neither file exists, so build will fail
+Command('derived', 'leaf', 'cat >$TARGET $SOURCE')
+print FindFile('leaf', '.')
+print FindFile('derived', '.')
       </file>
     </scons_example>
 
@@ -398,13 +398,13 @@
 
     <scons_example name="misc_FindFile2">
       <file name="SConstruct" printme="1">
-       # Only 'leaf' exists
-       Command('derived', 'leaf', 'cat >$TARGET $SOURCE')
-       print FindFile('leaf', '.')
-       print FindFile('derived', '.')
+# Only 'leaf' exists
+Command('derived', 'leaf', 'cat >$TARGET $SOURCE')
+print FindFile('leaf', '.')
+print FindFile('derived', '.')
       </file>
       <file name="leaf">
-       leaf
+leaf
       </file>
     </scons_example>
 
@@ -421,13 +421,13 @@
 
     <scons_example name="misc_FindFile3">
       <file name="SConstruct" printme="1">
-       # Only 'src/leaf' exists
-       VariantDir('build', 'src')
-       print FindFile('leaf', 'build')
+# Only 'src/leaf' exists
+VariantDir('build', 'src')
+print FindFile('leaf', 'build')
       </file>
       <directory name="src"></directory>
       <file name="src/leaf">
-       leaf
+leaf
       </file>
     </scons_example>
 
@@ -460,17 +460,17 @@
 
     <scons_example name="misc_Flatten1">
       <file name="SConstruct" printme="1">
-      objects = [
-          Object('prog1.c'),
-          Object('prog2.c', CCFLAGS='-DFOO'),
-      ]
-      Program(objects)
+objects = [
+    Object('prog1.c'),
+    Object('prog2.c', CCFLAGS='-DFOO'),
+]
+Program(objects)
       </file>
       <file name="prog1.c">
-      prog1.c
+prog1.c
       </file>
       <file name="prog2.c">
-      prog2.c
+prog2.c
       </file>
     </scons_example>
 
@@ -501,20 +501,20 @@
 
     <scons_example name="misc_Flatten2">
       <file name="SConstruct" printme="1">
-      objects = [
-          Object('prog1.c'),
-          Object('prog2.c', CCFLAGS='-DFOO'),
-      ]
-      Program(objects)
+objects = [
+    Object('prog1.c'),
+    Object('prog2.c', CCFLAGS='-DFOO'),
+]
+Program(objects)
 
-      for object_file in objects:
-          print object_file.abspath
+for object_file in objects:
+    print object_file.abspath
       </file>
       <file name="prog1.c">
-      prog1.c
+prog1.c
       </file>
       <file name="prog2.c">
-      prog2.c
+prog2.c
       </file>
     </scons_example>
 
@@ -542,20 +542,20 @@
 
     <scons_example name="misc_Flatten3">
       <file name="SConstruct" printme="1">
-      objects = [
-          Object('prog1.c'),
-          Object('prog2.c', CCFLAGS='-DFOO'),
-      ]
-      Program(objects)
+objects = [
+    Object('prog1.c'),
+    Object('prog2.c', CCFLAGS='-DFOO'),
+]
+Program(objects)
 
-      for object_file in Flatten(objects):
-          print object_file.abspath
+for object_file in Flatten(objects):
+    print object_file.abspath
       </file>
       <file name="prog1.c">
-      prog1.c
+prog1.c
       </file>
       <file name="prog2.c">
-      prog2.c
+prog2.c
       </file>
     </scons_example>
 
@@ -570,12 +570,12 @@
     -->
 
     <screen>
-      % <userinput>scons -Q</userinput>
-      /home/me/project/prog1.o
-      /home/me/project/prog2.o
-      cc -o prog1.o -c prog1.c
-      cc -o prog2.o -c -DFOO prog2.c
-      cc -o prog1 prog1.o prog2.o
+% <userinput>scons -Q</userinput>
+/home/me/project/prog1.o
+/home/me/project/prog2.o
+cc -o prog1.o -c prog1.c
+cc -o prog2.o -c -DFOO prog2.c
+cc -o prog1 prog1.o prog2.o
     </screen>
 
   </section>
@@ -592,12 +592,12 @@
     </para>
 
     <sconstruct>
-      env = Environment(
-          LAUNCHDIR = GetLaunchDir(),
-      )
-      env.Command('directory_build_info',
-                  '$LAUNCHDIR/build_info'
-                  Copy('$TARGET', '$SOURCE'))
+env = Environment(
+    LAUNCHDIR = GetLaunchDir(),
+)
+env.Command('directory_build_info',
+            '$LAUNCHDIR/build_info'
+            Copy('$TARGET', '$SOURCE'))
     </sconstruct>
 
     <para>
diff --git a/doc/user/nodes.xml b/doc/user/nodes.xml
index 9b5a7d6..1c9b4fd 100644
--- a/doc/user/nodes.xml
+++ b/doc/user/nodes.xml
@@ -80,8 +80,8 @@
     </para>
 
     <sconstruct>
-    Object('hello.c', CCFLAGS='-DHELLO')
-    Object('goodbye.c', CCFLAGS='-DGOODBYE')
+Object('hello.c', CCFLAGS='-DHELLO')
+Object('goodbye.c', CCFLAGS='-DGOODBYE')
     </sconstruct>
 
     <para>
@@ -95,9 +95,9 @@
     </para>
 
     <sconstruct>
-    Object('hello.c', CCFLAGS='-DHELLO')
-    Object('goodbye.c', CCFLAGS='-DGOODBYE')
-    Program(['hello.o', 'goodbye.o'])
+Object('hello.c', CCFLAGS='-DHELLO')
+Object('goodbye.c', CCFLAGS='-DGOODBYE')
+Program(['hello.o', 'goodbye.o'])
     </sconstruct>
 
     <para>
@@ -123,15 +123,15 @@
 
     <scons_example name="nodes_ex1">
       <file name="SConstruct" printme="1">
-      hello_list = Object('hello.c', CCFLAGS='-DHELLO')
-      goodbye_list = Object('goodbye.c', CCFLAGS='-DGOODBYE')
-      Program(hello_list + goodbye_list)
+hello_list = Object('hello.c', CCFLAGS='-DHELLO')
+goodbye_list = Object('goodbye.c', CCFLAGS='-DGOODBYE')
+Program(hello_list + goodbye_list)
       </file>
       <file name="hello.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
       <file name="goodbye.c">
-      int main() { printf("Goodbye, world!\n"); }
+int main() { printf("Goodbye, world!\n"); }
       </file>
     </scons_example>
 
@@ -183,11 +183,11 @@
 
     <scons_example name="nodes_print">
       <file name="SConstruct" printme="1">
-      hello_c = File('hello.c')
-      Program(hello_c)
+hello_c = File('hello.c')
+Program(hello_c)
 
-      classes = Dir('classes')
-      Java(classes, 'src')
+classes = Dir('classes')
+Java(classes, 'src')
       </file>
     </scons_example>
 
@@ -229,7 +229,7 @@
     </para>
 
     <sconstruct>
-    xyzzy = Entry('xyzzy')
+xyzzy = Entry('xyzzy')
     </sconstruct>
 
     <para>
@@ -263,13 +263,13 @@
 
     <scons_example name="nodes_print">
       <file name="SConstruct" printme="1">
-      object_list = Object('hello.c')
-      program_list = Program(object_list)
-      print "The object file is:", object_list[0]
-      print "The program file is:", program_list[0]
+object_list = Object('hello.c')
+program_list = Program(object_list)
+print "The object file is:", object_list[0]
+print "The program file is:", program_list[0]
       </file>
       <file name="hello.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
     </scons_example>
 
@@ -330,14 +330,14 @@
 
     <scons_example name="nodes_exists">
       <file name="SConstruct" printme="1">
-      import os.path
-      program_list = Program('hello.c')
-      program_name = str(program_list[0])
-      if not os.path.exists(program_name):
-          print program_name, "does not exist!"
+import os.path
+program_list = Program('hello.c')
+program_name = str(program_list[0])
+if not os.path.exists(program_name):
+    print program_name, "does not exist!"
       </file>
       <file name="hello.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
     </scons_example>
 
@@ -372,9 +372,9 @@
 
     <scons_example name="nodes_GetBuildPath">
       <file name="SConstruct" printme="1">
-      env=Environment(VAR="value")
-      n=File("foo.c")
-      print env.GetBuildPath([n, "sub/dir/$VAR"])
+env=Environment(VAR="value")
+n=File("foo.c")
+print env.GetBuildPath([n, "sub/dir/$VAR"])
       </file>
     </scons_example>
 
@@ -412,13 +412,13 @@
 
     <scons_example name="nodes_read">
       <file name="SConstruct" printme="1">
-      hello_c = File('hello.c')
-      contents = hello_c.read()
-      print "contents are:"
-      print contents
+hello_c = File('hello.c')
+contents = hello_c.read()
+print "contents are:"
+print contents
       </file>
       <file name="hello.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
     </scons_example>
 
diff --git a/doc/user/output.xml b/doc/user/output.xml
index d601e72..069d525 100644
--- a/doc/user/output.xml
+++ b/doc/user/output.xml
@@ -74,10 +74,10 @@
 
     <scons_example name="output_ex1">
        <file name="SConstruct" printme="1">
-       Help("""
-       Type: 'scons program' to build the production program,
-             'scons debug' to build the debug version.
-       """)
+Help("""
+Type: 'scons program' to build the production program,
+      'scons debug' to build the debug version.
+""")
        </file>
     </scons_example>
 
@@ -132,12 +132,12 @@
 
     <scons_example name="output_ex2">
        <file name="SConstruct" printme="1">
-       env = Environment()
+env = Environment()
 
-       Help("\nType: 'scons program' to build the production program.\n")
+Help("\nType: 'scons program' to build the production program.\n")
 
-       if env['PLATFORM'] == 'win32':
-           Help("\nType: 'scons windebug' to build the Windows debug version.\n")
+if env['PLATFORM'] == 'win32':
+    Help("\nType: 'scons windebug' to build the Windows debug version.\n")
        </file>
     </scons_example>
 
@@ -214,12 +214,12 @@
 
     <scons_example name="output_COMSTR">
        <file name="SConstruct" printme="1">
-       env = Environment(CCCOMSTR = "Compiling $TARGET",
-                         LINKCOMSTR = "Linking $TARGET")
-       env.Program('foo.c')
+env = Environment(CCCOMSTR = "Compiling $TARGET",
+                  LINKCOMSTR = "Linking $TARGET")
+env.Program('foo.c')
        </file>
        <file name="foo.c">
-       foo.c
+foo.c
        </file>
     </scons_example>
 
@@ -238,9 +238,9 @@
     -->
 
     <screen>
-       % <userinput>scons -Q</userinput>
-       Compiling foo.o
-       Linking foo
+% <userinput>scons -Q</userinput>
+Compiling foo.o
+Linking foo
     </screen>
 
     <para>
@@ -286,14 +286,14 @@
 
     <scons_example name="output_COMSTR-VERBOSE">
        <file name="SConstruct" printme="1">
-       env = Environment()
-       if ARGUMENTS.get('VERBOSE') != "1':
-           env['CCCOMSTR'] = "Compiling $TARGET"
-           env['LINKCOMSTR'] = "Linking $TARGET"
-       env.Program('foo.c')
+env = Environment()
+if ARGUMENTS.get('VERBOSE') != "1':
+    env['CCCOMSTR'] = "Compiling $TARGET"
+    env['LINKCOMSTR'] = "Linking $TARGET"
+env.Program('foo.c')
        </file>
        <file name="foo.c">
-       foo.c
+foo.c
        </file>
     </scons_example>
 
@@ -322,15 +322,15 @@
     -->
 
     <screen>
-       % <userinput>scons -Q</userinput>
-       Compiling foo.o
-       Linking foo
-       % <userinput>scons -Q -c</userinput>
-       Removed foo.o
-       Removed foo
-       % <userinput>scons -Q VERBOSE=1</userinput>
-       cc -o foo.o -c foo.c
-       cc -o foo foo.o
+% <userinput>scons -Q</userinput>
+Compiling foo.o
+Linking foo
+% <userinput>scons -Q -c</userinput>
+Removed foo.o
+Removed foo
+% <userinput>scons -Q VERBOSE=1</userinput>
+cc -o foo.o -c foo.c
+cc -o foo foo.o
     </screen>
 
   </section>
@@ -372,15 +372,15 @@
 
     <scons_example name="output_Progress-TARGET">
       <file name="SConstruct" printme="1">
-        Progress('Evaluating $TARGET\n')
-        Program('f1.c')
-        Program('f2.c')
+Progress('Evaluating $TARGET\n')
+Program('f1.c')
+Program('f2.c')
       </file>
       <file name="f1.c">
-        f1.c
+f1.c
       </file>
       <file name="f2.c">
-        f2.c
+f2.c
       </file>
     </scons_example>
 
@@ -425,11 +425,11 @@
     </para>
 
     <sconstruct>
-        Progress('$TARGET\r',
-                 file=open('/dev/tty', 'w'),
-                 overwrite=True)
-        Program('f1.c')
-        Program('f2.c')
+Progress('$TARGET\r',
+         file=open('/dev/tty', 'w'),
+         overwrite=True)
+Program('f1.c')
+Program('f2.c')
     </sconstruct>
 
     <para>
@@ -482,9 +482,9 @@
     </para>
 
     <sconstruct>
-        Progress(['-\r', '\\\r', '|\r', '/\r'], interval=5)
-        Program('f1.c')
-        Program('f2.c')
+Progress(['-\r', '\\\r', '|\r', '/\r'], interval=5)
+Program('f1.c')
+Program('f2.c')
     </sconstruct>
 
     <para>
@@ -522,13 +522,13 @@
 
     <scons_example name="output_Progress-callable">
       <file name="SConstruct" printme="1">
-        screen = open('/dev/tty', 'w')
-        count = 0
-        def progress_function(node)
-            count += 1
-            screen.write('Node %4d: %s\r' % (count, node))
+screen = open('/dev/tty', 'w')
+count = 0
+def progress_function(node)
+    count += 1
+    screen.write('Node %4d: %s\r' % (count, node))
 
-        Progress(progress_function)
+Progress(progress_function)
       </file>
     </scons_example>
 
@@ -595,13 +595,13 @@
 
     <scons_example name="output_gbf1">
       <file name="SConstruct" printme="1">
-        import atexit
+import atexit
 
-        def print_build_failures():
-            from SCons.Script import GetBuildFailures
-            for bf in GetBuildFailures():
-                print "%s failed: %s" % (bf.node, bf.errstr)
-        atexit.register(print_build_failures)
+def print_build_failures():
+    from SCons.Script import GetBuildFailures
+    for bf in GetBuildFailures():
+        print "%s failed: %s" % (bf.node, bf.errstr)
+atexit.register(print_build_failures)
       </file>
     </scons_example>
 
@@ -639,52 +639,52 @@
 
     <scons_example name="output_gbf2">
       <file name="SConstruct" printme="1">
-        # Make the build fail if we pass fail=1 on the command line
-        if ARGUMENTS.get('fail', 0):
-            Command('target', 'source', ['/bin/false'])
-
-        def bf_to_str(bf):
-            """Convert an element of GetBuildFailures() to a string
-            in a useful way."""
-            import SCons.Errors
-            if bf is None: # unknown targets product None in list
-                return '(unknown tgt)'
-            elif isinstance(bf, SCons.Errors.StopError):
-                return str(bf)
-            elif bf.node:
-                return str(bf.node) + ': ' + bf.errstr
-            elif bf.filename:
-                return bf.filename + ': ' + bf.errstr
-            return 'unknown failure: ' + bf.errstr
-        import atexit
-
-        def build_status():
-            """Convert the build status to a 2-tuple, (status, msg)."""
-            from SCons.Script import GetBuildFailures
-            bf = GetBuildFailures()
-            if bf:
-                # bf is normally a list of build failures; if an element is None,
-                # it's because of a target that scons doesn't know anything about.
-                status = 'failed'
-                failures_message = "\n".join(["Failed building %s" % bf_to_str(x)
-                                   for x in bf if x is not None])
-            else:
-                # if bf is None, the build completed successfully.
-                status = 'ok'
-                failures_message = ''
-            return (status, failures_message)
-
-        def display_build_status():
-            """Display the build status.  Called by atexit.
-            Here you could do all kinds of complicated things."""
-            status, failures_message = build_status()
-            if status == 'failed':
-               print "FAILED!!!!"  # could display alert, ring bell, etc.
-            elif status == 'ok':
-               print "Build succeeded."
-            print failures_message
-
-        atexit.register(display_build_status)
+# Make the build fail if we pass fail=1 on the command line
+if ARGUMENTS.get('fail', 0):
+    Command('target', 'source', ['/bin/false'])
+
+def bf_to_str(bf):
+    """Convert an element of GetBuildFailures() to a string
+    in a useful way."""
+    import SCons.Errors
+    if bf is None: # unknown targets product None in list
+        return '(unknown tgt)'
+    elif isinstance(bf, SCons.Errors.StopError):
+        return str(bf)
+    elif bf.node:
+        return str(bf.node) + ': ' + bf.errstr
+    elif bf.filename:
+        return bf.filename + ': ' + bf.errstr
+    return 'unknown failure: ' + bf.errstr
+import atexit
+
+def build_status():
+    """Convert the build status to a 2-tuple, (status, msg)."""
+    from SCons.Script import GetBuildFailures
+    bf = GetBuildFailures()
+    if bf:
+        # bf is normally a list of build failures; if an element is None,
+        # it's because of a target that scons doesn't know anything about.
+        status = 'failed'
+        failures_message = "\n".join(["Failed building %s" % bf_to_str(x)
+                           for x in bf if x is not None])
+    else:
+        # if bf is None, the build completed successfully.
+        status = 'ok'
+        failures_message = ''
+    return (status, failures_message)
+
+def display_build_status():
+    """Display the build status.  Called by atexit.
+    Here you could do all kinds of complicated things."""
+    status, failures_message = build_status()
+    if status == 'failed':
+       print "FAILED!!!!"  # could display alert, ring bell, etc.
+    elif status == 'ok':
+       print "Build succeeded."
+    print failures_message
+
+atexit.register(display_build_status)
       </file>
     </scons_example>
 
diff --git a/doc/user/parseconfig.xml b/doc/user/parseconfig.xml
index cf3531b..6125812 100644
--- a/doc/user/parseconfig.xml
+++ b/doc/user/parseconfig.xml
@@ -84,10 +84,10 @@
 
  <scons_example name="parseconfig_ex1">
    <file name="SConstruct" printme="1">
-    env = Environment()
-    env['CPPPATH'] = ['/lib/compat']
-    env.ParseConfig("pkg-config x11 --cflags --libs")
-    print env['CPPPATH']
+env = Environment()
+env['CPPPATH'] = ['/lib/compat']
+env.ParseConfig("pkg-config x11 --cflags --libs")
+print env['CPPPATH']
    </file>
  </scons_example>
 
@@ -111,9 +111,9 @@
  -->
 
  <screen>
-    % <userinput>scons -Q</userinput>
-    ['/lib/compat', '/usr/X11/include']
-    scons: `.' is up to date.
+% <userinput>scons -Q</userinput>
+['/lib/compat', '/usr/X11/include']
+scons: `.' is up to date.
  </screen>
 
  <para>
@@ -136,10 +136,10 @@
 
  <scons_example name="parseconfig_ex2">
    <file name="SConstruct" printme="1">
-    env = Environment()
-    env.ParseConfig("pkg-config x11 --cflags --libs")
-    env.ParseConfig("pkg-config x11 --cflags --libs")
-    print env['CPPPATH']
+env = Environment()
+env.ParseConfig("pkg-config x11 --cflags --libs")
+env.ParseConfig("pkg-config x11 --cflags --libs")
+print env['CPPPATH']
    </file>
  </scons_example>
 
@@ -155,9 +155,9 @@
  -->
 
  <screen>
-    % <userinput>scons -Q</userinput>
-    ['/usr/X11/include']
-    scons: `.' is up to date.
+% <userinput>scons -Q</userinput>
+['/usr/X11/include']
+scons: `.' is up to date.
  </screen>
 
 </section>
diff --git a/doc/user/parseflags.xml b/doc/user/parseflags.xml
index d20df80..a3462a5 100644
--- a/doc/user/parseflags.xml
+++ b/doc/user/parseflags.xml
@@ -80,16 +80,16 @@
 
  <scons_example name="parseflags_ex1">
    <file name="SConstruct" printme="1">
-    env = Environment()
-    d = env.ParseFlags("-I/opt/include -L/opt/lib -lfoo")
-    for k,v in sorted(d.items()):
-        if v:
-            print k, v
-    env.MergeFlags(d)
-    env.Program('f1.c')
+env = Environment()
+d = env.ParseFlags("-I/opt/include -L/opt/lib -lfoo")
+for k,v in sorted(d.items()):
+    if v:
+        print k, v
+env.MergeFlags(d)
+env.Program('f1.c')
    </file>
    <file name="f1.c">
-     int main() { return 0; }
+int main() { return 0; }
    </file>
  </scons_example>
 
@@ -119,16 +119,16 @@
 
  <scons_example name="parseflags_ex2">
    <file name="SConstruct" printme="1">
-    env = Environment()
-    d = env.ParseFlags("-whatever")
-    for k,v in sorted(d.items()):
-        if v:
-            print k, v
-    env.MergeFlags(d)
-    env.Program('f1.c')
+env = Environment()
+d = env.ParseFlags("-whatever")
+for k,v in sorted(d.items()):
+    if v:
+        print k, v
+env.MergeFlags(d)
+env.Program('f1.c')
    </file>
    <file name="f1.c">
-     int main() { return 0; }
+ int main() { return 0; }
    </file>
  </scons_example>
 
@@ -145,16 +145,16 @@
 
  <scons_example name="parseflags_ex3">
    <file name="SConstruct" printme="1">
-    env = Environment()
-    d = env.ParseFlags(["-I/opt/include", ["-L/opt/lib", "-lfoo"]])
-    for k,v in sorted(d.items()):
-        if v:
-            print k, v
-    env.MergeFlags(d)
-    env.Program('f1.c')
+env = Environment()
+d = env.ParseFlags(["-I/opt/include", ["-L/opt/lib", "-lfoo"]])
+for k,v in sorted(d.items()):
+    if v:
+        print k, v
+env.MergeFlags(d)
+env.Program('f1.c')
    </file>
    <file name="f1.c">
-     int main() { return 0; }
+int main() { return 0; }
    </file>
  </scons_example>
 
@@ -172,16 +172,16 @@
 
  <scons_example name="parseflags_ex4">
    <file name="SConstruct" printme="1">
-    env = Environment()
-    d = env.ParseFlags(["!echo -I/opt/include", "!echo -L/opt/lib", "-lfoo"])
-    for k,v in sorted(d.items()):
-        if v:
-            print k, v
-    env.MergeFlags(d)
-    env.Program('f1.c')
+env = Environment()
+d = env.ParseFlags(["!echo -I/opt/include", "!echo -L/opt/lib", "-lfoo"])
+for k,v in sorted(d.items()):
+    if v:
+        print k, v
+env.MergeFlags(d)
+env.Program('f1.c')
    </file>
    <file name="f1.c">
-     int main() { return 0; }
+int main() { return 0; }
    </file>
  </scons_example>
 
diff --git a/doc/user/repositories.xml b/doc/user/repositories.xml
index 8e8ba4e..4ff8b93 100644
--- a/doc/user/repositories.xml
+++ b/doc/user/repositories.xml
@@ -96,12 +96,12 @@
 
     <scons_example name="repositories_ex1">
       <file name="SConstruct" printme="1">
-       env = Environment()
-       env.Program('hello.c')
-       Repository('__ROOT__/usr/repository1', '__ROOT__/usr/repository2')
+env = Environment()
+env.Program('hello.c')
+Repository('__ROOT__/usr/repository1', '__ROOT__/usr/repository2')
       </file>
       <file name="hello.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
     </scons_example>
 
@@ -165,12 +165,12 @@
 
     <scons_example name="repositories_ex2">
       <file name="SConstruct">
-       env = Environment()
-       env.Program('hello.c')
-       Repository('__ROOT__/usr/repository1', '__ROOT__/usr/repository2')
+env = Environment()
+env.Program('hello.c')
+Repository('__ROOT__/usr/repository1', '__ROOT__/usr/repository2')
       </file>
       <file name="__ROOT__/usr/repository1/hello.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
     </scons_example>
 
@@ -188,12 +188,12 @@
 
     <scons_example name="repositories_ex3">
       <file name="SConstruct">
-       env = Environment()
-       env.Program('hello.c')
-       Repository('__ROOT__/usr/repository1', '__ROOT__/usr/repository2')
+env = Environment()
+env.Program('hello.c')
+Repository('__ROOT__/usr/repository1', '__ROOT__/usr/repository2')
       </file>
       <file name="__ROOT__/usr/repository2/hello.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
     </scons_example>
 
@@ -238,9 +238,9 @@
     </para>
 
     <screen>
-      % <userinput>scons -Q</userinput>
-      cc -o hello.o -c hello.c
-      hello.c:1: hello.h: No such file or directory
+% <userinput>scons -Q</userinput>
+cc -o hello.o -c hello.c
+hello.c:1: hello.h: No such file or directory
     </screen>
 
     <para>
@@ -256,12 +256,12 @@
 
     <scons_example name="repositories_CPPPATH">
       <file name="SConstruct" printme="1">
-       env = Environment(CPPPATH = ['.'])
-       env.Program('hello.c')
-       Repository('__ROOT__/usr/repository1')
+env = Environment(CPPPATH = ['.'])
+env.Program('hello.c')
+Repository('__ROOT__/usr/repository1')
       </file>
       <file name="hello.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
     </scons_example>
 
@@ -292,12 +292,12 @@
 
     <scons_example name="repositories_CPPPATH3">
       <file name="SConstruct" printme="1">
-       env = Environment(CPPPATH = ['dir1', 'dir2', 'dir3'])
-       env.Program('hello.c')
-       Repository('__ROOT__/r1', '__ROOT__/r2')
+env = Environment(CPPPATH = ['dir1', 'dir2', 'dir3'])
+env.Program('hello.c')
+Repository('__ROOT__/r1', '__ROOT__/r2')
       </file>
       <file name="hello.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
     </scons_example>
 
@@ -355,13 +355,13 @@ coming into existence.)
       </para>
 
       <programlisting>
-        #include "hello.h"
-        int
-        main(int argc, char *argv[])
-        {
-            printf(HELLO_MESSAGE);
-            return (0);
-        }
+#include "hello.h"
+int
+main(int argc, char *argv[])
+{
+    printf(HELLO_MESSAGE);
+    return (0);
+}
       </programlisting>
 
       <para>
@@ -376,12 +376,12 @@ coming into existence.)
 
       <scons_example name="repositories_quote1">
         <file name="SConstruct">
-         env = Environment(CPPPATH = ['.'])
-         env.Program('hello.c')
-         Repository('__ROOT__/usr/repository1')
+env = Environment(CPPPATH = ['.'])
+env.Program('hello.c')
+Repository('__ROOT__/usr/repository1')
         </file>
         <file name="__ROOT__/usr/repository1/hello.c">
-        int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
         </file>
       </scons_example>
 
@@ -471,7 +471,7 @@ coming into existence.)
     </para>
 
     <screen>
-      % <userinput>scons -Q -Y /usr/repository1 -Y /usr/repository2</userinput>
+% <userinput>scons -Q -Y /usr/repository1 -Y /usr/repository2</userinput>
     </screen>
 
     <para>
@@ -515,18 +515,18 @@ coming into existence.)
 
     <scons_example name="repositories_ex4">
       <file name="SConstruct">
-       env = Environment()
-       env.Program(['hello.c', 'file1.c', 'file2.c'])
-       Repository('/usr/repository1', '/usr/repository2')
+env = Environment()
+env.Program(['hello.c', 'file1.c', 'file2.c'])
+Repository('/usr/repository1', '/usr/repository2')
       </file>
       <file name="hello.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
       <file name="file1.c">
-      int f1() { printf("file1\n"); }
+int f1() { printf("file1\n"); }
       </file>
       <file name="file2.c">
-      int f2() { printf("file2.c\n"); }
+int f2() { printf("file2.c\n"); }
       </file>
     </scons_example>
 
@@ -563,11 +563,11 @@ coming into existence.)
     </scons_output>
     -->
     <screen>
-      % <userinput>cd $HOME/build</userinput>
-      % <userinput>edit hello.c</userinput>
-      % <userinput>scons -Q -Y /usr/repository1</userinput>
-      cc -c -o hello.o hello.c
-      cc -o hello hello.o /usr/repository1/file1.o /usr/repository1/file2.o
+% <userinput>cd $HOME/build</userinput>
+% <userinput>edit hello.c</userinput>
+% <userinput>scons -Q -Y /usr/repository1</userinput>
+cc -c -o hello.o hello.c
+cc -o hello hello.o /usr/repository1/file1.o /usr/repository1/file2.o
     </screen>
 
     <para>
@@ -594,10 +594,10 @@ coming into existence.)
     </para>
 
     <screen>
-      % <userinput>mkdir $HOME/build2</userinput>
-      % <userinput>cd $HOME/build2</userinput>
-      % <userinput>scons -Q -Y /usr/all/repository hello</userinput>
-      scons: `hello' is up-to-date.
+% <userinput>mkdir $HOME/build2</userinput>
+% <userinput>cd $HOME/build2</userinput>
+% <userinput>scons -Q -Y /usr/all/repository hello</userinput>
+scons: `hello' is up-to-date.
     </screen>
 
     <para>
@@ -627,12 +627,12 @@ coming into existence.)
 
     <scons_example name="repositories_ex5">
       <file name="SConstruct" printme="1">
-       env = Environment()
-       hello = env.Program('hello.c')
-       Local(hello)
+env = Environment()
+hello = env.Program('hello.c')
+Local(hello)
       </file>
       <file name="hello.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
     </scons_example>
 
@@ -646,9 +646,9 @@ coming into existence.)
     </para>
 
     <screen>
-      % <userinput>scons -Y /usr/all/repository hello</userinput>
-      Local copy of hello from /usr/all/repository/hello
-      scons: `hello' is up-to-date.
+% <userinput>scons -Y /usr/all/repository hello</userinput>
+Local copy of hello from /usr/all/repository/hello
+scons: `hello' is up-to-date.
     </screen>
 
     <para>
diff --git a/doc/user/scanners.xml b/doc/user/scanners.xml
index 46b2a9f..758a849 100644
--- a/doc/user/scanners.xml
+++ b/doc/user/scanners.xml
@@ -172,7 +172,7 @@ over the file scanning rather than being called for each input line:
     </para>
 
     <programlisting>
-      include filename.foo
+include filename.foo
     </programlisting>
 
     <para>
@@ -186,13 +186,13 @@ over the file scanning rather than being called for each input line:
     </para>
 
     <programlisting>
-      import re
-      
-      include_re = re.compile(r'^include\s+(\S+)$', re.M)
-      
-      def kfile_scan(node, env, path, arg):
-          contents = node.get_text_contents()
-          return env.File(include_re.findall(contents))
+import re
+
+include_re = re.compile(r'^include\s+(\S+)$', re.M)
+
+def kfile_scan(node, env, path, arg):
+    contents = node.get_text_contents()
+    return env.File(include_re.findall(contents))
     </programlisting>
 
     <para>
@@ -295,9 +295,9 @@ over the file scanning rather than being called for each input line:
     </para>
 
     <programlisting>
-       kscan = Scanner(function = kfile_scan,
-                       skeys = ['.k'])
-       env.Append(SCANNERS = kscan)
+kscan = Scanner(function = kfile_scan,
+                skeys = ['.k'])
+env.Append(SCANNERS = kscan)
     </programlisting>
 
     <para>
@@ -308,34 +308,34 @@ over the file scanning rather than being called for each input line:
 
     <scons_example name="scanners_scan">
       <file name="SConstruct" printme="1">
-        import re
+  import re
 
-        include_re = re.compile(r'^include\s+(\S+)$', re.M)
+  include_re = re.compile(r'^include\s+(\S+)$', re.M)
 
-        def kfile_scan(node, env, path):
-            contents = node.get_text_contents()
-            includes = include_re.findall(contents)
-            return env.File(includes)
+  def kfile_scan(node, env, path):
+      contents = node.get_text_contents()
+      includes = include_re.findall(contents)
+      return env.File(includes)
 
-        kscan = Scanner(function = kfile_scan,
-                        skeys = ['.k'])
+  kscan = Scanner(function = kfile_scan,
+                  skeys = ['.k'])
 
-        env = Environment(ENV = {'PATH' : '__ROOT__/usr/local/bin'})
-        env.Append(SCANNERS = kscan)
+  env = Environment(ENV = {'PATH' : '__ROOT__/usr/local/bin'})
+  env.Append(SCANNERS = kscan)
 
-        env.Command('foo', 'foo.k', 'kprocess &lt; $SOURCES &gt; $TARGET')
+  env.Command('foo', 'foo.k', 'kprocess &lt; $SOURCES &gt; $TARGET')
       </file>
       <file name="foo.k">
-      include other_file
+include other_file
       </file>
       <file name="other_file">
-      other_file
+other_file
       </file>
       <directory name="__ROOT__/usr"></directory>
       <directory name="__ROOT__/usr/local"></directory>
       <directory name="__ROOT__/usr/local/bin"></directory>
       <file name="__ROOT_/usr/local/bin/kprocess" chmod="755">
-      cat
+cat
       </file>
     </scons_example>
 
@@ -393,9 +393,9 @@ over the file scanning rather than being called for each input line:
     
     <scons_example name="scanners_findpathdirs">
       <file name="SConstruct" printme="1">
-        kscan = Scanner(function = kfile_scan,
-                        skeys = ['.k'],
-                        path=FindPathDirs('KPATH'))
+kscan = Scanner(function = kfile_scan,
+                skeys = ['.k'],
+                path=FindPathDirs('KPATH'))
       </file>
     </scons_example>
     
diff --git a/doc/user/sconf.xml b/doc/user/sconf.xml
index 92fb454..31bd45e 100644
--- a/doc/user/sconf.xml
+++ b/doc/user/sconf.xml
@@ -80,10 +80,10 @@
     </para>
 
     <sconstruct>
-    env = Environment()
-    conf = Configure(env)
-    # Checks for libraries, header files, etc. go here!
-    env = conf.Finish()
+env = Environment()
+conf = Configure(env)
+# Checks for libraries, header files, etc. go here!
+env = conf.Finish()
     </sconstruct>
 
     <para>
@@ -131,14 +131,14 @@
     </para>
 
     <sconstruct>
-    env = Environment()
-    conf = Configure(env)
-    if not conf.CheckCHeader('math.h'):
-        print 'Math.h must be installed!'
-        Exit(1)
-    if conf.CheckCHeader('foo.h'):
-        conf.env.Append('-DHAS_FOO_H')
-    env = conf.Finish()
+env = Environment()
+conf = Configure(env)
+if not conf.CheckCHeader('math.h'):
+    print 'Math.h must be installed!'
+    Exit(1)
+if conf.CheckCHeader('foo.h'):
+    conf.env.Append('-DHAS_FOO_H')
+env = conf.Finish()
     </sconstruct>
 
     <para>
@@ -159,12 +159,12 @@
     </para>
 
     <sconstruct>
-    env = Environment()
-    conf = Configure(env)
-    if not conf.CheckCXXHeader('vector.h'):
-        print 'vector.h must be installed!'
-        Exit(1)
-    env = conf.Finish()
+env = Environment()
+conf = Configure(env)
+if not conf.CheckCXXHeader('vector.h'):
+    print 'vector.h must be installed!'
+    Exit(1)
+env = conf.Finish()
     </sconstruct>
 
   </section>
@@ -180,12 +180,12 @@
     </para>
 
     <sconstruct>
-    env = Environment()
-    conf = Configure(env)
-    if not conf.CheckFunc('strcpy'):
-        print 'Did not find strcpy(), using local version'
-        conf.env.Append(CPPDEFINES = '-Dstrcpy=my_local_strcpy')
-    env = conf.Finish()
+env = Environment()
+conf = Configure(env)
+if not conf.CheckFunc('strcpy'):
+    print 'Did not find strcpy(), using local version'
+    conf.env.Append(CPPDEFINES = '-Dstrcpy=my_local_strcpy')
+env = conf.Finish()
     </sconstruct>
 
   </section>
@@ -204,12 +204,12 @@
     </para>
 
     <sconstruct>
-    env = Environment()
-    conf = Configure(env)
-    if not conf.CheckLib('m'):
-        print 'Did not find libm.a or m.lib, exiting!'
-        Exit(1)
-    env = conf.Finish()
+env = Environment()
+conf = Configure(env)
+if not conf.CheckLib('m'):
+    print 'Did not find libm.a or m.lib, exiting!'
+    Exit(1)
+env = conf.Finish()
     </sconstruct>
 
     <para>
@@ -225,12 +225,12 @@
     </para>
 
     <sconstruct>
-    env = Environment()
-    conf = Configure(env)
-    if not conf.CheckLibWithHeader('m', 'math.h', 'c'):
-        print 'Did not find libm.a or m.lib, exiting!'
-        Exit(1)
-    env = conf.Finish()
+env = Environment()
+conf = Configure(env)
+if not conf.CheckLibWithHeader('m', 'math.h', 'c'):
+    print 'Did not find libm.a or m.lib, exiting!'
+    Exit(1)
+env = conf.Finish()
     </sconstruct>
 
     <para>
@@ -254,12 +254,12 @@
     </para>
 
     <sconstruct>
-    env = Environment()
-    conf = Configure(env)
-    if not conf.CheckType('off_t'):
-        print 'Did not find off_t typedef, assuming int'
-        conf.env.Append(CCFLAGS = '-Doff_t=int')
-    env = conf.Finish()
+env = Environment()
+conf = Configure(env)
+if not conf.CheckType('off_t'):
+    print 'Did not find off_t typedef, assuming int'
+    conf.env.Append(CCFLAGS = '-Doff_t=int')
+env = conf.Finish()
     </sconstruct>
 
     <para>
@@ -273,12 +273,12 @@
     </para>
 
     <sconstruct>
-    env = Environment()
-    conf = Configure(env)
-    if not conf.CheckType('off_t', '#include &amp;lt;sys/types.h&amp;gt;\n'):
-        print 'Did not find off_t typedef, assuming int'
-        conf.env.Append(CCFLAGS = '-Doff_t=int')
-    env = conf.Finish()
+env = Environment()
+conf = Configure(env)
+if not conf.CheckType('off_t', '#include &amp;lt;sys/types.h&amp;gt;\n'):
+    print 'Did not find off_t typedef, assuming int'
+    conf.env.Append(CCFLAGS = '-Doff_t=int')
+env = conf.Finish()
     </sconstruct>
 
   </section>
@@ -303,20 +303,20 @@
     </para>
 
     <sconstruct>
-    mylib_test_source_file = """
-    #include &amp;lt;mylib.h&amp;gt;
-    int main(int argc, char **argv)
-    {
-        MyLibrary mylib(argc, argv);
-        return 0;
-    }
-    """
-
-    def CheckMyLibrary(context):
-        context.Message('Checking for MyLibrary...')
-        result = context.TryLink(mylib_test_source_file, '.c')
-        context.Result(result)
-        return result
+mylib_test_source_file = """
+#include &amp;lt;mylib.h&amp;gt;
+int main(int argc, char **argv)
+{
+    MyLibrary mylib(argc, argv);
+    return 0;
+}
+"""
+
+def CheckMyLibrary(context):
+    context.Message('Checking for MyLibrary...')
+    result = context.TryLink(mylib_test_source_file, '.c')
+    context.Result(result)
+    return result
     </sconstruct>
 
     <para>
@@ -358,8 +358,8 @@
     </para>
 
     <sconstruct>
-    env = Environment()
-    conf = Configure(env, custom_tests = {'CheckMyLibrary' : CheckMyLibrary})
+env = Environment()
+conf = Configure(env, custom_tests = {'CheckMyLibrary' : CheckMyLibrary})
     </sconstruct>
 
     <para>
@@ -380,30 +380,30 @@
     </para>
 
     <sconstruct>
-    mylib_test_source_file = """
-    #include &amp;lt;mylib.h&amp;gt;
-    int main(int argc, char **argv)
-    {
-        MyLibrary mylib(argc, argv);
-        return 0;
-    }
-    """
-
-    def CheckMyLibrary(context):
-        context.Message('Checking for MyLibrary... ')
-        result = context.TryLink(mylib_test_source_file, '.c')
-        context.Result(result)
-        return result
-
-    env = Environment()
-    conf = Configure(env, custom_tests = {'CheckMyLibrary' : CheckMyLibrary})
-    if not conf.CheckMyLibrary():
-        print 'MyLibrary is not installed!'
-        Exit(1)
-    env = conf.Finish()
-
-    # We would then add actual calls like Program() to build
-    # something using the "env" construction environment.
+mylib_test_source_file = """
+#include &amp;lt;mylib.h&amp;gt;
+int main(int argc, char **argv)
+{
+    MyLibrary mylib(argc, argv);
+    return 0;
+}
+"""
+
+def CheckMyLibrary(context):
+    context.Message('Checking for MyLibrary... ')
+    result = context.TryLink(mylib_test_source_file, '.c')
+    context.Result(result)
+    return result
+
+env = Environment()
+conf = Configure(env, custom_tests = {'CheckMyLibrary' : CheckMyLibrary})
+if not conf.CheckMyLibrary():
+    print 'MyLibrary is not installed!'
+    Exit(1)
+env = conf.Finish()
+
+# We would then add actual calls like Program() to build
+# something using the "env" construction environment.
     </sconstruct>
 
     <para>
@@ -414,10 +414,10 @@
     </para>
 
     <screen>
-    % <userinput>scons</userinput>
-    scons: Reading SConscript file ...
-    Checking for MyLibrary... failed
-    MyLibrary is not installed!
+% <userinput>scons</userinput>
+scons: Reading SConscript file ...
+Checking for MyLibrary... failed
+MyLibrary is not installed!
     </screen>
 
     <para>
@@ -428,14 +428,14 @@
     </para>
 
     <screen>
-    % <userinput>scons</userinput>
-    scons: Reading SConscript file ...
-    Checking for MyLibrary... failed
-    scons: done reading SConscript
-    scons: Building targets ...
-        .
-        .
-        .
+% <userinput>scons</userinput>
+scons: Reading SConscript file ...
+Checking for MyLibrary... failed
+scons: done reading SConscript
+scons: Building targets ...
+    .
+    .
+    .
     </screen>
 
   </section>
@@ -455,10 +455,10 @@
     </para>
 
     <screen>
-    % <userinput>scons -Q -c</userinput>
-    Checking for MyLibrary... yes
-    Removed foo.o
-    Removed foo
+% <userinput>scons -Q -c</userinput>
+Checking for MyLibrary... yes
+Removed foo.o
+Removed foo
     </screen>
 
     <para>
@@ -474,19 +474,19 @@
     </para>
 
     <sconstruct>
-    env = Environment()
-    if not env.GetOption('clean'):
-        conf = Configure(env, custom_tests = {'CheckMyLibrary' : CheckMyLibrary})
-        if not conf.CheckMyLibrary():
-            print 'MyLibrary is not installed!'
-            Exit(1)
-        env = conf.Finish()
+env = Environment()
+if not env.GetOption('clean'):
+    conf = Configure(env, custom_tests = {'CheckMyLibrary' : CheckMyLibrary})
+    if not conf.CheckMyLibrary():
+        print 'MyLibrary is not installed!'
+        Exit(1)
+    env = conf.Finish()
     </sconstruct>
 
     <screen>
-    % <userinput>scons -Q -c</userinput>
-    Removed foo.o
-    Removed foo
+% <userinput>scons -Q -c</userinput>
+Removed foo.o
+Removed foo
     </screen>
 
   </section>
diff --git a/doc/user/separate.xml b/doc/user/separate.xml
index dfe83f6..0a2e0db 100644
--- a/doc/user/separate.xml
+++ b/doc/user/separate.xml
@@ -174,14 +174,14 @@ program using the F<build/foo.c> path name.
 
     <scons_example name="separate_ex1">
       <file name="SConstruct" printme="1">
-      SConscript('src/SConscript', variant_dir='build')
+SConscript('src/SConscript', variant_dir='build')
       </file>
       <file name="src/SConscript">
-      env = Environment()
-      env.Program('hello.c')
+env = Environment()
+env.Program('hello.c')
       </file>
       <file name="src/hello.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
     </scons_example>
 
@@ -267,7 +267,7 @@ program using the F<build/foo.c> path name.
     </para>
 
     <sconstruct>
-      #include "file.h"
+#include "file.h"
     </sconstruct>
 
     <para>
@@ -320,7 +320,7 @@ program using the F<build/foo.c> path name.
     </para>
 
     <sconstruct>
-      SConscript('src/SConscript', variant_dir='build', duplicate=0)
+SConscript('src/SConscript', variant_dir='build', duplicate=0)
     </sconstruct>
 
     <para>
@@ -334,15 +334,15 @@ program using the F<build/foo.c> path name.
     </para>
 
     <screen>
-      % <userinput>ls src</userinput>
-      SConscript
-      hello.c
-      % <userinput>scons -Q</userinput>
-      cc -c src/hello.c -o build/hello.o
-      cc -o build/hello build/hello.o
-      % <userinput>ls build</userinput>
-      hello
-      hello.o
+% <userinput>ls src</userinput>
+SConscript
+hello.c
+% <userinput>scons -Q</userinput>
+cc -c src/hello.c -o build/hello.o
+cc -o build/hello build/hello.o
+% <userinput>ls build</userinput>
+hello
+hello.o
     </screen>
 
   </section>
@@ -360,12 +360,12 @@ program using the F<build/foo.c> path name.
 
     <scons_example name="separate_builddir">
       <file name="SConstruct" printme="1">
-      VariantDir('build', 'src')
-      env = Environment()
-      env.Program('build/hello.c')
+VariantDir('build', 'src')
+env = Environment()
+env.Program('build/hello.c')
       </file>
       <file name="src/hello.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
     </scons_example>
 
@@ -404,12 +404,12 @@ program using the F<build/foo.c> path name.
 
     <scons_example name="separate_duplicate0">
       <file name="SConstruct" printme="1">
-      VariantDir('build', 'src', duplicate=0)
-      env = Environment()
-      env.Program('build/hello.c')
+VariantDir('build', 'src', duplicate=0)
+env = Environment()
+env.Program('build/hello.c')
       </file>
       <file name="src/hello.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
     </scons_example>
 
@@ -444,15 +444,15 @@ program using the F<build/foo.c> path name.
 
     <scons_example name="separate_builddir_sconscript">
       <file name="SConstruct">
-      VariantDir('build', 'src')
-      SConscript('build/SConscript')
+VariantDir('build', 'src')
+SConscript('build/SConscript')
       </file>
       <file name="src/SConscript" printme="1">
-      env = Environment()
-      env.Program('hello.c')
+env = Environment()
+env.Program('hello.c')
       </file>
       <file name="src/hello.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
     </scons_example>
 
@@ -502,22 +502,22 @@ program using the F<build/foo.c> path name.
 
     <scons_example name="separate_glob_builddir_sconscript">
       <file name="SConstruct">
-      VariantDir('build', 'src')
-      SConscript('build/SConscript')
+VariantDir('build', 'src')
+SConscript('build/SConscript')
       </file>
       <file name="src/SConscript" printme="1">
-      env = Environment()
-      env.Program('hello', Glob('*.c'))
+env = Environment()
+env.Program('hello', Glob('*.c'))
       </file>
       <file name="src/f1.c">
-      #include "f2.h"
-      int main() { printf(f2()); }
+#include "f2.h"
+int main() { printf(f2()); }
       </file>
       <file name="src/f2.c">
-      const char * f2() { return("Hello, world!\n"); }
+const char * f2() { return("Hello, world!\n"); }
       </file>
       <file name="src/f2.h">
-      const char * f2();
+const char * f2();
       </file>
     </scons_example>
 
diff --git a/doc/user/sideeffect.xml b/doc/user/sideeffect.xml
index c0c7eca..cf959af 100644
--- a/doc/user/sideeffect.xml
+++ b/doc/user/sideeffect.xml
@@ -77,12 +77,12 @@
 
  <scons_example name="sideeffect_simple">
    <file name="SConstruct" printme="1">
-    env = Environment()
-    f2 = env.Command('file2', 'log', Copy('$TARGET', '$SOURCE'))
-    f1 = env.Command('file1', [],
-        'echo >$TARGET data1; echo >log updated file1'))
-    env.SideEffect('log', env.Command('file1', [],
-        'echo >$TARGET data1; echo >log updated file1'))
+env = Environment()
+f2 = env.Command('file2', 'log', Copy('$TARGET', '$SOURCE'))
+f1 = env.Command('file1', [],
+    'echo >$TARGET data1; echo >log updated file1'))
+env.SideEffect('log', env.Command('file1', [],
+    'echo >$TARGET data1; echo >log updated file1'))
    </file>
  </scons_example>
 
@@ -114,11 +114,11 @@
  </para>
 
  <screen>
- env = Environment()
- env.Command('file1.out', 'file.in',
-             './build --log logfile.txt $SOURCE $TARGET')
- env.Command('file2.out', 'file.in',
-             './build --log logfile.txt $SOURCE $TARGET')
+env = Environment()
+env.Command('file1.out', 'file.in',
+            './build --log logfile.txt $SOURCE $TARGET')
+env.Command('file2.out', 'file.in',
+            './build --log logfile.txt $SOURCE $TARGET')
  </screen>
 
  <para>
@@ -155,17 +155,17 @@
 
  <scons_example name="sideeffect_shared">
    <file name="SConstruct" printme="1">
-   env = Environment()
-   f1 = env.Command('file1.out', 'file1.in',
-                    './build --log logfile.txt $SOURCE $TARGET')
-   f2 = env.Command('file2.out', 'file2.in',
-                    './build --log logfile.txt $SOURCE $TARGET')
-   env.SideEffect('logfile.txt', f1 + f2)
+env = Environment()
+f1 = env.Command('file1.out', 'file1.in',
+                 './build --log logfile.txt $SOURCE $TARGET')
+f2 = env.Command('file2.out', 'file2.in',
+                 './build --log logfile.txt $SOURCE $TARGET')
+env.SideEffect('logfile.txt', f1 + f2)
    </file>
    <file name="file1.in">file1.in</file>
    <file name="file2.in">file2.in</file>
    <file name="build" chmod="0755">
-   cat
+cat
    </file>
  </scons_example>
 
@@ -199,11 +199,11 @@
 
  <scons_example name="sideeffect_parallel">
    <file name="SConstruct" printme="1">
-    env = Environment()
-    f1 = env.Command('file1.out', [], 'echo >$TARGET data1')
-    env.SideEffect('not_really_updated', f1)
-    f2 = env.Command('file2.out', [], 'echo >$TARGET data2')
-    env.SideEffect('not_really_updated', f2)
+env = Environment()
+f1 = env.Command('file1.out', [], 'echo >$TARGET data1')
+env.SideEffect('not_really_updated', f1)
+f2 = env.Command('file2.out', [], 'echo >$TARGET data2')
+env.SideEffect('not_really_updated', f2)
    </file>
  </scons_example>
 
diff --git a/doc/user/simple.xml b/doc/user/simple.xml
index 0e67e1e..33b9e27 100644
--- a/doc/user/simple.xml
+++ b/doc/user/simple.xml
@@ -66,11 +66,11 @@
    </para>
 
    <programlisting>
-      int
-      main()
-      {
-          printf("Hello, world!\n");
-      }
+int
+main()
+{
+    printf("Hello, world!\n");
+}
    </programlisting>
 
    <para>
@@ -82,10 +82,10 @@
 
    <scons_example name="simple_ex1">
       <file name="SConstruct" printme="1">
-      Program('hello.c')
+Program('hello.c')
       </file>
       <file name="hello.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
    </scons_example>
 
@@ -179,10 +179,10 @@
 
    <scons_example name="simple_Object">
       <file name="SConstruct" printme="1">
-      Object('hello.c')
+Object('hello.c')
       </file>
       <file name="hello.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
    </scons_example>
 
@@ -228,16 +228,16 @@
 
    <scons_example name="simple_java">
      <file name="SConstruct" printme="1">
-     Java('classes', 'src')
+Java('classes', 'src')
      </file>
      <file name="src/hello.java">
-     public class Example1
-     {
-       public static void main(String[] args)
-       {
-         System.out.println("Hello Java world!\n");
-       }
-     }
+public class Example1
+{
+  public static void main(String[] args)
+  {
+    System.out.println("Hello Java world!\n");
+  }
+}
      </file>
    </scons_example>
 
@@ -285,10 +285,10 @@
 
    <scons_example name="simple_clean">
       <file name="SConstruct">
-      Program('hello.c')
+Program('hello.c')
       </file>
       <file name="hello.c">
-      int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
       </file>
    </scons_example>
 
@@ -358,8 +358,8 @@
      </para>
 
      <programlisting>
-        # Arrange to build the "hello" program.
-        Program('hello.c')    # "hello.c" is the source file.
+# Arrange to build the "hello" program.
+Program('hello.c')    # "hello.c" is the source file.
      </programlisting>
 
      <para>
@@ -442,17 +442,17 @@
 
      <scons_example name="simple_declarative">
        <file name="SConstruct" printme="1">
-       print "Calling Program('hello.c')"
-       Program('hello.c')
-       print "Calling Program('goodbye.c')"
-       Program('goodbye.c')
-       print "Finished calling Program()"
+print "Calling Program('hello.c')"
+Program('hello.c')
+print "Calling Program('goodbye.c')"
+Program('goodbye.c')
+print "Finished calling Program()"
        </file>
        <file name="hello.c">
-       int main() { printf("Hello, world!\n"); }
+int main() { printf("Hello, world!\n"); }
        </file>
        <file name="goodbye.c">
-       int main() { printf("Goodbye, world!\n"); }
+int main() { printf("Goodbye, world!\n"); }
        </file>
      </scons_example>
 
diff --git a/doc/user/sourcecode.xml b/doc/user/sourcecode.xml
index 2225882..c6d645f 100644
--- a/doc/user/sourcecode.xml
+++ b/doc/user/sourcecode.xml
@@ -65,12 +65,12 @@
 
    <scons_example name="sourcecode_bitkeeper">
       <file name="SConstruct" printme="1">
-      env = Environment()
-      env.SourceCode('.', env.BitKeeper())
-      env.Program('hello.c')
+env = Environment()
+env.SourceCode('.', env.BitKeeper())
+env.Program('hello.c')
       </file>
       <file name="s.hello.c">
-      s.hello.c
+s.hello.c
       </file>
    </scons_example>
 
@@ -91,9 +91,9 @@
 
    <scons_example name="sourcecode_cvs">
       <file name="SConstruct" printme="1">
-      env = Environment()
-      env.SourceCode('.', env.CVS('/usr/local/CVS'))
-      env.Program('hello.c')
+env = Environment()
+env.SourceCode('.', env.CVS('/usr/local/CVS'))
+env.Program('hello.c')
       </file>
    </scons_example>
 
@@ -114,12 +114,12 @@
 
    <scons_example name="sourcecode_rcs">
       <file name="SConstruct" printme="1">
-      env = Environment()
-      env.SourceCode('.', env.RCS())
-      env.Program('hello.c')
+env = Environment()
+env.SourceCode('.', env.RCS())
+env.Program('hello.c')
       </file>
       <file name="hello.c,v">
-      hello.c,v
+hello.c,v
       </file>
    </scons_example>
 
@@ -140,12 +140,12 @@
 
    <scons_example name="sourcecode_sccs">
       <file name="SConstruct" printme="1">
-      env = Environment()
-      env.SourceCode('.', env.SCCS())
-      env.Program('hello.c')
+env = Environment()
+env.SourceCode('.', env.SCCS())
+env.Program('hello.c')
       </file>
       <file name="s.hello.c">
-      s.hello.c
+s.hello.c
       </file>
    </scons_example>
 
@@ -168,9 +168,9 @@
 
    <scons_example name="sourcecode_subversion">
       <file name="SConstruct" printme="1">
-      env = Environment()
-      env.SourceCode('.', env.Subversion('XXX'))
-      env.Program('hello.c')
+env = Environment()
+env.SourceCode('.', env.Subversion('XXX'))
+env.Program('hello.c')
       </file>
    </scons_example>
 
diff --git a/doc/user/troubleshoot.xml b/doc/user/troubleshoot.xml
index 076c054..94af727 100644
--- a/doc/user/troubleshoot.xml
+++ b/doc/user/troubleshoot.xml
@@ -92,12 +92,12 @@
 
     <scons_example name="troubleshoot_explain1">
       <file name="SConstruct" printme="1">
-      # Intentionally misspell the output file name in the
-      # command used to create the file:
-      Command('file.out', 'file.in', 'cp $SOURCE file.oout')
+# Intentionally misspell the output file name in the
+# command used to create the file:
+Command('file.out', 'file.in', 'cp $SOURCE file.oout')
       </file>
       <file name="file.in">
-      file.in
+file.in
       </file>
     </scons_example>
 
@@ -174,16 +174,16 @@
 
     <scons_example name="troubleshoot_explain2">
       <file name="SConstruct">
-      Program('prog', ['file1.c', 'file2.c', 'file3.c'])
+Program('prog', ['file1.c', 'file2.c', 'file3.c'])
       </file>
       <file name="file1.c">
-      file1.c
+file1.c
       </file>
       <file name="file2.c">
-      file2.c
+file2.c
       </file>
       <file name="file3.c">
-      file3.c
+file3.c
       </file>
     </scons_example>
 
@@ -212,21 +212,21 @@
 
     <scons_example name="troubleshoot_explain3">
       <file name="SConstruct">
-      Program('prog', ['file1.c', 'file2.c', 'file3.c'], CPPPATH='.')
+Program('prog', ['file1.c', 'file2.c', 'file3.c'], CPPPATH='.')
       </file>
       <file name="file1.c">
-      #include &lt;hello.h&gt;
-      file1.c
+#include &lt;hello.h&gt;
+file1.c
       </file>
       <file name="file2.c">
-      file2.c
+file2.c
       </file>
       <file name="file3.c">
-      #include &lt;hello.h&gt;
-      file3.c
+#include &lt;hello.h&gt;
+file3.c
       </file>
       <file name="hello.h">
-      #define string    "world"
+#define string    "world"
       </file>
     </scons_example>
 
@@ -278,8 +278,8 @@
 
     <scons_example name="troubleshoot_Dump">
       <file name="SConstruct" printme="1">
-         env = Environment()
-         print env.Dump()
+env = Environment()
+print env.Dump()
       </file>
     </scons_example>
 
@@ -338,8 +338,8 @@
 
     <scons_example name="troubleshoot_Dump_ENV">
       <file name="SConstruct" printme="1">
-         env = Environment()
-         print env.Dump('ENV')
+env = Environment()
+print env.Dump('ENV')
       </file>
     </scons_example>
 
@@ -391,20 +391,20 @@
 
     <scons_example name="troubleshoot_tree1">
       <file name="SConstruct" printme="1">
-         env = Environment(CPPPATH = ['.'])
-         env.Program('prog', ['f1.c', 'f2.c', 'f3.c'])
+env = Environment(CPPPATH = ['.'])
+env.Program('prog', ['f1.c', 'f2.c', 'f3.c'])
       </file>
       <file name="f1.c">
-      #include "inc.h"
+#include "inc.h"
       </file>
       <file name="f2.c">
-      #include "inc.h"
+#include "inc.h"
       </file>
       <file name="f3.c">
-      #include "inc.h"
+#include "inc.h"
       </file>
       <file name="inc.h">
-      inc.h
+inc.h
       </file>
     </scons_example>
 
@@ -523,30 +523,30 @@
 
     <scons_example name="troubleshoot_tree2">
       <file name="SConstruct" printme="1">
-         env = Environment(CPPPATH = ['.'],
-                           LIBS = ['foo'],
-                           LIBPATH = ['.'])
-         env.Library('foo', ['f1.c', 'f2.c', 'f3.c'])
-         env.Program('prog1.c')
-         env.Program('prog2.c')
+env = Environment(CPPPATH = ['.'],
+                  LIBS = ['foo'],
+                  LIBPATH = ['.'])
+env.Library('foo', ['f1.c', 'f2.c', 'f3.c'])
+env.Program('prog1.c')
+env.Program('prog2.c')
       </file>
       <file name="prog1.c">
-      #include "inc.h"
+#include "inc.h"
       </file>
       <file name="prog2.c">
-      #include "inc.h"
+#include "inc.h"
       </file>
       <file name="f1.c">
-      #include "inc.h"
+#include "inc.h"
       </file>
       <file name="f2.c">
-      #include "inc.h"
+#include "inc.h"
       </file>
       <file name="f3.c">
-      #include "inc.h"
+#include "inc.h"
       </file>
       <file name="inc.h">
-      inc.h
+inc.h
       </file>
     </scons_example>
 
@@ -609,11 +609,11 @@
 
     <scons_example name="troubleshoot_presub">
       <file name="SConstruct">
-         env = Environment(CPPPATH = ['.'])
-         env.Program('prog', 'prog.c')
+env = Environment(CPPPATH = ['.'])
+env.Program('prog', 'prog.c')
       </file>
       <file name="prog.c">
-      prog.c
+prog.c
       </file>
     </scons_example>
 
@@ -630,13 +630,13 @@
     -->
 
     <screen>
-      % <userinput>scons -Q --debug=presub</userinput>
-      Building prog.o with action:
-        $CC -o $TARGET -c $CFLAGS $CCFLAGS $_CCOMCOM $SOURCES
-      cc -o prog.o -c -I. prog.c
-      Building prog with action:
-        $SMART_LINKCOM
-      cc -o prog prog.o
+% <userinput>scons -Q --debug=presub</userinput>
+Building prog.o with action:
+  $CC -o $TARGET -c $CFLAGS $CCFLAGS $_CCOMCOM $SOURCES
+cc -o prog.o -c -I. prog.c
+Building prog with action:
+  $SMART_LINKCOM
+cc -o prog prog.o
     </screen>
 
   </section>
@@ -657,17 +657,17 @@
 
     <scons_example name="troubleshoot_findlibs">
       <file name="SConstruct" printme="1">
-        env = Environment(LIBPATH = ['libs1', 'libs2'])
-        env.Program('prog.c', LIBS=['foo', 'bar'])
+env = Environment(LIBPATH = ['libs1', 'libs2'])
+env.Program('prog.c', LIBS=['foo', 'bar'])
       </file>
       <file name="prog.c">
-      prog.c
+prog.c
       </file>
       <file name="libs1/libfoo.a">
-      libs1/libfoo.a
+libs1/libfoo.a
       </file>
       <file name="libs2/libbar.a">
-      libs2/libbar.a
+libs2/libbar.a
       </file>
     </scons_example>
 
@@ -701,19 +701,19 @@
 
     <scons_example name="troubleshoot_includes">
       <file name="SConstruct" printme="1">
-        env = Environment(CPPPATH = ['inc1', 'inc2'])
-        env.Program('prog.c')
+env = Environment(CPPPATH = ['inc1', 'inc2'])
+env.Program('prog.c')
       </file>
       <file name="prog.c">
-      #include "file1.h"
-      #include "file2.h"
-      prog.c
+#include "file1.h"
+#include "file2.h"
+prog.c
       </file>
       <file name="inc1/file1.h">
-      inc1/file1.h
+inc1/file1.h
       </file>
       <file name="inc2/file2.h">
-      inc2/file2.h
+inc2/file2.h
       </file>
     </scons_example>
 
@@ -749,7 +749,7 @@
 
     <scons_example name="troubleshoot_stacktrace">
       <file name="SConstruct" printme="1">
-         Program('prog.c')
+Program('prog.c')
       </file>
     </scons_example>
 
@@ -829,15 +829,15 @@
 
     <scons_example name="troubleshoot_taskmastertrace">
       <file name="SConstruct" printme="1">
-      env = Environment(CPPPATH = ['.'])
-      env.Program('prog.c')
+env = Environment(CPPPATH = ['.'])
+env.Program('prog.c')
       </file>
       <file name="prog.c">
-      #include "inc.h"
-      prog.c
+#include "inc.h"
+prog.c
       </file>
       <file name="inc.h">
-      #define   STRING  "one"
+#define   STRING  "one"
       </file>
     </scons_example>
 
diff --git a/doc/user/variants.xml b/doc/user/variants.xml
index 491074f..74a155b 100644
--- a/doc/user/variants.xml
+++ b/doc/user/variants.xml
@@ -84,53 +84,53 @@ is pretty smart about rebuilding things when you change options.
 
   <scons_example name="variants_ex">
     <file name="SConstruct" printme="1">
-    platform = ARGUMENTS.get('OS', Platform())
+platform = ARGUMENTS.get('OS', Platform())
 
-    include = "#export/$PLATFORM/include"
-    lib = "#export/$PLATFORM/lib"
-    bin = "#export/$PLATFORM/bin"
+include = "#export/$PLATFORM/include"
+lib = "#export/$PLATFORM/lib"
+bin = "#export/$PLATFORM/bin"
 
-    env = Environment(PLATFORM = platform,
-                      BINDIR = bin,
-                      INCDIR = include,
-                      LIBDIR = lib,
-                      CPPPATH = [include],
-                      LIBPATH = [lib],
-                      LIBS = 'world')
+env = Environment(PLATFORM = platform,
+                  BINDIR = bin,
+                  INCDIR = include,
+                  LIBDIR = lib,
+                  CPPPATH = [include],
+                  LIBPATH = [lib],
+                  LIBS = 'world')
 
-    Export('env')
+Export('env')
 
-    env.SConscript('src/SConscript', variant_dir='build/$PLATFORM')
+env.SConscript('src/SConscript', variant_dir='build/$PLATFORM')
     </file>
     <directory name="src"></directory>
     <directory name="src/hello"></directory>
     <directory name="src/world"></directory>
     <file name="src/SConscript">
-    Import('env')
-    SConscript('hello/SConscript')
-    SConscript('world/SConscript')
+Import('env')
+SConscript('hello/SConscript')
+SConscript('world/SConscript')
     </file>
     <file name="src/hello/SConscript">
-    Import('env')
-    hello = env.Program('hello.c')
-    env.Install('$BINDIR', hello)
+Import('env')
+hello = env.Program('hello.c')
+env.Install('$BINDIR', hello)
     </file>
     <file name="src/hello/hello.c">
-    #include "world.h"
-    int main(int argc, char *argv[]) { printf "hello.c\n"; world(); }
+#include "world.h"
+int main(int argc, char *argv[]) { printf "hello.c\n"; world(); }
     </file>
     <file name="src/world/SConscript">
-    Import('env')
-    world = env.Library('world.c')
-    env.Install('$LIBDIR', world)
-    env.Install('$INCDIR', 'world.h')
+Import('env')
+world = env.Library('world.c')
+env.Install('$LIBDIR', world)
+env.Install('$INCDIR', 'world.h')
     </file>
     <file name="src/world/world.h">
-    #define STRING "world.h"
-    extern int world();
+#define STRING "world.h"
+extern int world();
     </file>
     <file name="src/world/world.c">
-    int world() { printf "world.c\n"; }
+int world() { printf "world.c\n"; }
     </file>
   </scons_example>
 
@@ -159,9 +159,9 @@ is pretty smart about rebuilding things when you change options.
 
   <scons_example name="variants_ex2">
     <file name="SConstruct" printme="1">
-    env = Environment(OS = ARGUMENTS.get('OS'))
-    for os in ['newell', 'post']:
-        SConscript('src/SConscript', variant_dir='build/' + os)
+env = Environment(OS = ARGUMENTS.get('OS'))
+for os in ['newell', 'post']:
+    SConscript('src/SConscript', variant_dir='build/' + os)
     </file>
   </scons_example>