merge 8.7

22 files changed, 890 insertions, 276 deletions

diff --git a/win/Makefile.in b/win/Makefile.in
index bf9ab8c..99cf327 100644
--- a/win/Makefile.in
+++ b/win/Makefile.in
@@ -137,6 +137,11 @@ DDEDOTVER		= @TCL_DDE_MAJOR_VERSION@.@TCL_DDE_MINOR_VERSION@
 REGVER			= @TCL_REG_MAJOR_VERSION@@TCL_REG_MINOR_VERSION@
 REGDOTVER		= @TCL_REG_MAJOR_VERSION@.@TCL_REG_MINOR_VERSION@
 
+TCL_ZIP_FILE		= @TCL_ZIP_FILE@
+TCL_VFS_PATH		= libtcl.vfs/tcl_library
+TCL_VFS_ROOT		= libtcl.vfs
+
+
 TCL_STUB_LIB_FILE	= @TCL_STUB_LIB_FILE@
 TCL_DLL_FILE		= @TCL_DLL_FILE@
 TCL_LIB_FILE		= @TCL_LIB_FILE@
@@ -152,6 +157,7 @@ SHARED_LIBRARIES 	= $(TCL_DLL_FILE) @ZLIB_DLL_FILE@
 STATIC_LIBRARIES	= $(TCL_LIB_FILE)
 
 TCLSH			= tclsh$(VER)${EXESUFFIX}
+WINE			= @WINE@
 CAT32			= cat32$(EXEEXT)
 MAN2TCL			= man2tcl$(EXEEXT)
 
@@ -196,6 +202,45 @@ SHELL		= @SHELL@
 RM		= rm -f
 COPY		= cp
 
+###
+# Tip 430 - ZipFS Modifications
+###
+
+TCL_ZIP_FILE		= @TCL_ZIP_FILE@
+TCL_VFS_PATH		= libtcl.vfs/tcl_library
+TCL_VFS_ROOT		= libtcl.vfs
+
+HOST_CC		        = @CC_FOR_BUILD@
+HOST_EXEEXT             = @EXEEXT_FOR_BUILD@
+HOST_OBJEXT             = @OBJEXT_FOR_BUILD@
+ZIPFS_BUILD	        = @ZIPFS_BUILD@
+NATIVE_ZIP		= @ZIP_PROG@
+ZIP_PROG_OPTIONS		= @ZIP_PROG_OPTIONS@
+ZIP_PROG_VFSSEARCH  = @ZIP_PROG_VFSSEARCH@
+SHARED_BUILD		= @SHARED_BUILD@
+INSTALL_MSGS            = @INSTALL_MSGS@
+INSTALL_LIBRARIES       = @INSTALL_LIBRARIES@
+
+# Minizip
+MINIZIP_OBJS = \
+        adler32.$(HOST_OBJEXT) \
+        compress.$(HOST_OBJEXT) \
+        crc32.$(HOST_OBJEXT) \
+        deflate.$(HOST_OBJEXT) \
+        infback.$(HOST_OBJEXT) \
+        inffast.$(HOST_OBJEXT) \
+        inflate.$(HOST_OBJEXT) \
+        inftrees.$(HOST_OBJEXT) \
+        ioapi.$(HOST_OBJEXT) \
+        iowin32.$(HOST_OBJEXT)  \
+        trees.$(HOST_OBJEXT) \
+        uncompr.$(HOST_OBJEXT) \
+        zip.$(HOST_OBJEXT) \
+        zutil.$(HOST_OBJEXT) \
+        minizip.$(HOST_OBJEXT)
+
+ZIP_INSTALL_OBJS =  @ZIP_INSTALL_OBJS@
+
 CC_SWITCHES = ${CFLAGS} ${CFLAGS_WARNING} ${TCL_SHLIB_CFLAGS} \
 -I"${ZLIB_DIR_NATIVE}" -I"${GENERIC_DIR_NATIVE}" \
 -DMP_PREC=4 -I"${TOMMATH_DIR_NATIVE}" -I"${WIN_DIR_NATIVE}" \
@@ -303,6 +348,7 @@ GENERIC_OBJS = \
 	tclUtf.$(OBJEXT) \
 	tclUtil.$(OBJEXT) \
 	tclVar.$(OBJEXT) \
+	tclZipfs.$(OBJEXT) \
 	tclZlib.$(OBJEXT)
 
 TOMMATH_OBJS = \
@@ -427,7 +473,7 @@ all: binaries libraries doc packages
 
 tcltest: $(TCLSH) $(TEST_DLL_FILE)
 
-binaries: $(TCL_STUB_LIB_FILE) @LIBRARIES@ winextensions $(TCLSH)
+binaries: $(TCL_STUB_LIB_FILE) @LIBRARIES@ winextensions ${TCL_ZIP_FILE} $(TCLSH)
 
 winextensions: ${DDE_DLL_FILE} ${REG_DLL_FILE}
 
@@ -435,9 +481,19 @@ libraries:
 
 doc:
 
+tclzipfile: ${TCL_ZIP_FILE}
+
+${TCL_ZIP_FILE}:  ${ZIP_INSTALL_OBJS} ${DDE_DLL_FILE} ${REG_DLL_FILE}
+	rm -rf ${TCL_VFS_ROOT}
+	mkdir -p ${TCL_VFS_PATH}
+	$(COPY) -a $(TOP_DIR)/library/* ${TCL_VFS_PATH}
+	$(COPY) ${DDE_DLL_FILE} ${TCL_VFS_PATH}/dde
+	$(COPY) ${REG_DLL_FILE} ${TCL_VFS_PATH}/reg
+	cd  ${TCL_VFS_ROOT} ; ${NATIVE_ZIP} ${ZIP_PROG_OPTIONS} ../${TCL_ZIP_FILE} ${ZIP_PROG_VFSSEARCH}
+
 $(TCLSH): $(TCLSH_OBJS) @LIBRARIES@ $(TCL_STUB_LIB_FILE) tclsh.$(RES)
 	$(CC) $(CFLAGS) $(TCLSH_OBJS) $(TCL_LIB_FILE) $(TCL_STUB_LIB_FILE) $(LIBS) \
-        tclsh.$(RES) $(CC_EXENAME) $(LDFLAGS_CONSOLE)
+	tclsh.$(RES) $(CC_EXENAME) $(LDFLAGS_CONSOLE)
 	@VC_MANIFEST_EMBED_EXE@
 
 cat32.$(OBJEXT): cat.c
@@ -454,10 +510,14 @@ ${TCL_STUB_LIB_FILE}: ${STUB_OBJS}
 	@MAKE_STUB_LIB@ ${STUB_OBJS}
 	@POST_MAKE_LIB@
 
-${TCL_DLL_FILE}: ${TCL_OBJS} tcl.$(RES) @ZLIB_DLL_FILE@
+${TCL_DLL_FILE}: ${TCL_OBJS} tcl.$(RES) @ZLIB_DLL_FILE@ ${TCL_ZIP_FILE}
 	@$(RM) ${TCL_DLL_FILE} $(TCL_LIB_FILE)
 	@MAKE_DLL@ ${TCL_OBJS} tcl.$(RES) $(SHLIB_LD_LIBS)
 	@VC_MANIFEST_EMBED_DLL@
+ifeq (${ZIPFS_BUILD},1)
+	cat ${TCL_ZIP_FILE} >> ${TCL_DLL_FILE}
+	${NATIVE_ZIP} -A ${TCL_DLL_FILE}
+endif
 
 ${TCL_LIB_FILE}: ${TCL_OBJS} ${DDE_OBJS} ${REG_OBJS}
 	@$(RM) ${TCL_LIB_FILE}
@@ -503,6 +563,17 @@ testMain.${OBJEXT}: tclAppInit.c
 tclMain2.${OBJEXT}: tclMain.c
 	$(CC) -c $(CC_SWITCHES) -DBUILD_tcl -DTCL_ASCII_MAIN @DEPARG@ $(CC_OBJNAME)
 
+# TIP #430, ZipFS Support
+tclZipfs.${OBJEXT}: $(GENERIC_DIR)/tclZipfs.c
+	$(CC) -c $(CC_SWITCHES) -DBUILD_tcl \
+	-DCFG_RUNTIME_PATH=\"$(bindir_native)\" \
+	-DCFG_RUNTIME_DLLFILE="\"$(TCL_DLL_FILE)\"" \
+	-DCFG_RUNTIME_ZIPFILE="\"$(TCL_ZIP_FILE)\"" \
+	-DCFG_RUNTIME_LIBDIR="\"$(bindir_native)\"" \
+	-DCFG_RUNTIME_SCRDIR="\"$(TCL_LIBRARY_NATIVE)\"" \
+	$(ZLIB_INCLUDE) -I$(ZLIB_DIR)/contrib/minizip  @DEPARG@ $(CC_OBJNAME)
+
+
 # TIP #59, embedding of configuration information into the binary library.
 #
 # Part of Tcl's configuration information are the paths where it was installed
@@ -524,6 +595,8 @@ tclPkgConfig.${OBJEXT}: tclPkgConfig.c
 		-DCFG_RUNTIME_SCRDIR=\"$(TCL_LIBRARY_NATIVE)\" \
 		-DCFG_RUNTIME_INCDIR=\"$(includedir_native)\" \
 		-DCFG_RUNTIME_DOCDIR=\"$(mandir_native)\" \
+		-DCFG_RUNTIME_DLLFILE="\"$(TCL_DLL_FILE)\"" \
+		-DCFG_RUNTIME_ZIPFILE="\"$(TCL_ZIP_FILE)\"" \
 		-DBUILD_tcl \
 		@DEPARG@ $(CC_OBJNAME)
 
@@ -550,6 +623,59 @@ tclWinPanic.${OBJEXT}: tclWinPanic.c
 .rc.$(RES):
 	$(RC) @RC_OUT@ $@ @RC_TYPE@ @RC_DEFINES@ @RC_INCLUDE@ "$(GENERIC_DIR_NATIVE)" @RC_INCLUDE@ "$(WIN_DIR_NATIVE)" @DEPARG@
 
+
+
+#--------------------------------------------------------------------------
+# Minizip implementation
+#--------------------------------------------------------------------------
+adler32.$(HOST_OBJEXT):
+	$(HOST_CC) -o $@ -I$(ZLIB_DIR) -c $(ZLIB_DIR)/adler32.c
+
+compress.$(HOST_OBJEXT):
+	$(HOST_CC) -o $@ -I$(ZLIB_DIR) -c $(ZLIB_DIR)/compress.c
+
+crc32.$(HOST_OBJEXT):
+	$(HOST_CC) -o $@ -I$(ZLIB_DIR) -c $(ZLIB_DIR)/crc32.c
+
+deflate.$(HOST_OBJEXT):
+	$(HOST_CC) -o $@ -I$(ZLIB_DIR) -c $(ZLIB_DIR)/deflate.c
+
+ioapi.$(HOST_OBJEXT):
+	$(HOST_CC) -o $@ -DIOAPI_NO_64 -I$(ZLIB_DIR) -I$(ZLIB_DIR)/contrib/minizip -c $(ZLIB_DIR)/contrib/minizip/ioapi.c
+
+iowin32.$(HOST_OBJEXT):
+	$(HOST_CC) -o $@ -I$(ZLIB_DIR) -I$(ZLIB_DIR)/contrib/minizip -c $(ZLIB_DIR)/contrib/minizip/iowin32.c
+
+infback.$(HOST_OBJEXT):
+	$(HOST_CC) -o $@ -I$(ZLIB_DIR) -c $(ZLIB_DIR)/infback.c
+
+inffast.$(HOST_OBJEXT):
+	$(HOST_CC) -o $@ -I$(ZLIB_DIR) -c $(ZLIB_DIR)/inffast.c
+
+inflate.$(HOST_OBJEXT):
+	$(HOST_CC) -o $@ -I$(ZLIB_DIR) -c $(ZLIB_DIR)/inflate.c
+
+inftrees.$(HOST_OBJEXT):
+	$(HOST_CC) -o $@ -I$(ZLIB_DIR) -c $(ZLIB_DIR)/inftrees.c
+
+trees.$(HOST_OBJEXT):
+	$(HOST_CC) -o $@ -I$(ZLIB_DIR) -c $(ZLIB_DIR)/trees.c
+
+uncompr.$(HOST_OBJEXT):
+	$(HOST_CC) -o $@ -I$(ZLIB_DIR) -c $(ZLIB_DIR)/uncompr.c
+
+zip.$(HOST_OBJEXT):
+	$(HOST_CC) -o $@ -I$(ZLIB_DIR) -I$(ZLIB_DIR)/contrib/minizip -c $(ZLIB_DIR)/contrib/minizip/zip.c
+
+zutil.$(HOST_OBJEXT):
+	$(HOST_CC) -o $@ -I$(ZLIB_DIR) -c $(ZLIB_DIR)/zutil.c
+
+minizip.$(HOST_OBJEXT):
+	$(HOST_CC) -o $@ -I$(ZLIB_DIR) -DIOAPI_NO_64 -I$(ZLIB_DIR)/contrib/minizip -c $(ZLIB_DIR)/contrib/minizip/minizip.c
+
+minizip${HOST_EXEEXT}: $(MINIZIP_OBJS)
+	$(HOST_CC) -o $@ $(MINIZIP_OBJS)
+
 # The following target generates the file generic/tclDate.c from the yacc
 # grammar found in generic/tclGetDate.y. This is only run by hand as yacc is
 # not available in all environments. The name of the .c file is different than
@@ -570,7 +696,15 @@ gentommath_h:
 		"$(TOMMATH_DIR_NATIVE)/tommath.h" \
 		> "$(GENERIC_DIR_NATIVE)/tclTomMath.h"
 
-install: all install-binaries install-libraries install-doc install-packages
+INSTALL_BASE_TARGETS = install-binaries $(INSTALL_LIBRARIES) $(INSTALL_MSGS) $(INSTALL_TZDATA)
+INSTALL_DOC_TARGETS = install-doc
+INSTALL_PACKAGE_TARGETS = install-packages
+INSTALL_DEV_TARGETS = install-headers
+INSTALL_EXTRA_TARGETS =
+INSTALL_TARGETS = $(INSTALL_BASE_TARGETS) $(INSTALL_DOC_TARGETS) $(INSTALL_DEV_TARGETS) \
+		  $(INSTALL_PACKAGE_TARGETS) $(INSTALL_EXTRA_TARGETS)
+
+install: $(INSTALL_TARGETS)
 
 install-binaries: binaries
 	@for i in "$(LIB_INSTALL_DIR)" "$(BIN_INSTALL_DIR)" ; \
@@ -625,6 +759,11 @@ install-binaries: binaries
 	    $(COPY) $(REG_LIB_FILE) $(LIB_INSTALL_DIR)/reg${REGDOTVER}; \
 	    fi
 
+install-libraries-zipfs-shared: libraries
+
+install-libraries-zipfs-static: install-libraries-zipfs-shared
+	$(INSTALL_DATA) ${TCL_ZIP_FILE} "$(LIB_INSTALL_DIR)"
+
 install-libraries: libraries install-tzdata install-msgs
 	@for i in "$$($(CYGPATH) $(prefix)/lib)" "$(INCLUDE_INSTALL_DIR)" \
 		$(SCRIPT_INSTALL_DIR); \
@@ -635,7 +774,7 @@ install-libraries: libraries install-tzdata install-msgs
 		else true; \
 		fi; \
 	    done;
-	@for i in opt0.4 encoding ../tcl8 ../tcl8/8.4  ../tcl8/8.4/platform ../tcl8/8.5 ../tcl8/8.6; \
+	@for i in opt0.4 encoding ../tcl8 ../tcl8/8.4  ../tcl8/8.4/platform ../tcl8/8.5 ../tcl8/8.6 ../tcl8/8.7; \
 	    do \
 	    if [ ! -d $(SCRIPT_INSTALL_DIR)/$$i ] ; then \
 		echo "Making directory $(SCRIPT_INSTALL_DIR)/$$i"; \
@@ -643,22 +782,13 @@ install-libraries: libraries install-tzdata install-msgs
 		else true; \
 		fi; \
 	    done;
-	@echo "Installing header files";
-	@for i in "$(GENERIC_DIR)/tcl.h" "$(GENERIC_DIR)/tclDecls.h" \
-		"$(GENERIC_DIR)/tclOO.h" "$(GENERIC_DIR)/tclOODecls.h" \
-		"$(GENERIC_DIR)/tclPlatDecls.h" \
-		"$(GENERIC_DIR)/tclTomMath.h" \
-		"$(GENERIC_DIR)/tclTomMathDecls.h"; \
-	    do \
-	    $(COPY) "$$i" "$(INCLUDE_INSTALL_DIR)"; \
-	    done;
 	@echo "Installing library files to $(SCRIPT_INSTALL_DIR)";
 	@for i in $(ROOT_DIR)/library/*.tcl $(ROOT_DIR)/library/tclIndex; \
 	    do \
 	    $(COPY) "$$i" "$(SCRIPT_INSTALL_DIR)"; \
 	    done;
-	@echo "Installing package http 2.8.13 as a Tcl Module";
-	@$(COPY) $(ROOT_DIR)/library/http/http.tcl $(SCRIPT_INSTALL_DIR)/../tcl8/8.6/http-2.8.13.tm;
+	@echo "Installing package http 2.9.0 as a Tcl Module";
+	@$(COPY) $(ROOT_DIR)/library/http/http.tcl $(SCRIPT_INSTALL_DIR)/../tcl8/8.6/http-2.9.0.tm;
 	@echo "Installing library opt0.4 directory";
 	@for j in $(ROOT_DIR)/library/opt/*.tcl; \
 	    do \
@@ -689,6 +819,25 @@ install-msgs:
 
 install-doc: doc
 
+install-headers:
+	@for i in "$(INCLUDE_INSTALL_DIR)"; \
+	    do \
+	    if [ ! -d "$$i" ] ; then \
+		echo "Making directory $$i"; \
+		$(INSTALL_DATA_DIR) "$$i"; \
+		else true; \
+		fi; \
+	    done;
+	@echo "Installing header files to $(INCLUDE_INSTALL_DIR)/";
+	@for i in $(GENERIC_DIR)/tcl.h $(GENERIC_DIR)/tclDecls.h \
+		$(GENERIC_DIR)/tclOO.h $(GENERIC_DIR)/tclOODecls.h \
+		$(GENERIC_DIR)/tclPlatDecls.h \
+		$(GENERIC_DIR)/tclTomMath.h \
+		$(GENERIC_DIR)/tclTomMathDecls.h ; \
+	    do \
+	    $(COPY) $$i "$(INCLUDE_INSTALL_DIR)"; \
+	    done;
+
 # Optional target to install private headers
 install-private-headers: libraries
 	@for i in $(PRIVATE_INCLUDE_INSTALL_DIR); \
@@ -716,15 +865,17 @@ test: test-tcl test-packages
 
 test-tcl: binaries $(TCLSH) $(CAT32) $(TEST_DLL_FILE)
 	TCL_LIBRARY="$(LIBRARY_DIR)"; export TCL_LIBRARY; \
-	./$(TCLSH) "$(ROOT_DIR_NATIVE)/tests/all.tcl" $(TESTFLAGS) \
+	$(WINE) ./$(TCLSH) "$(ROOT_DIR_NATIVE)/tests/all.tcl" $(TESTFLAGS) \
 	-load "package ifneeded Tcltest ${VERSION}@TCL_PATCH_LEVEL@ [list load [file normalize ${TEST_DLL_FILE}] Tcltest]; \
+	package ifneeded tcltests 0.1 \"[list source [file normalize $(ROOT_DIR_NATIVE)/tests/tcltests.tcl]];package provide tcltests 0.1\"; \
 	package ifneeded dde 1.4.0 [list load [file normalize ${DDE_DLL_FILE}] dde]; \
-	package ifneeded registry 1.3.2 [list load [file normalize ${REG_DLL_FILE}] registry]" | ./$(CAT32)
+	package ifneeded registry 1.3.2 [list load [file normalize ${REG_DLL_FILE}] registry]" | $(WINE) ./$(CAT32)
 
 # Useful target to launch a built tclsh with the proper path,...
 runtest: binaries $(TCLSH) $(TEST_DLL_FILE)
 	@TCL_LIBRARY="$(LIBRARY_DIR)"; export TCL_LIBRARY; \
-	./$(TCLSH) $(TESTFLAGS) -load "package ifneeded Tcltest ${VERSION}@TCL_PATCH_LEVEL@ [list load [file normalize ${TEST_DLL_FILE}] Tcltest]; \
+	$(WINE) ./$(TCLSH) $(TESTFLAGS) -load "package ifneeded Tcltest ${VERSION}@TCL_PATCH_LEVEL@ [list load [file normalize ${TEST_DLL_FILE}] Tcltest]; \
+	package ifneeded tcltests 0.1 \"[list source [file normalize $(ROOT_DIR_NATIVE)/tests/tcltests.tcl]];package provide tcltests 0.1\"; \
 	package ifneeded dde 1.4.0 [list load [file normalize ${DDE_DLL_FILE}] dde]; \
 	package ifneeded registry 1.3.2 [list load [file normalize ${REG_DLL_FILE}] registry]" $(SCRIPT)
 
@@ -732,7 +883,7 @@ runtest: binaries $(TCLSH) $(TEST_DLL_FILE)
 # `make shell SCRIPT=foo.tcl`
 shell: binaries
 	@TCL_LIBRARY="$(LIBRARY_DIR)"; export TCL_LIBRARY; \
-	./$(TCLSH) $(SCRIPT)
+	$(WINE) ./$(TCLSH) $(SCRIPT)
 
 # This target can be used to run tclsh inside either gdb or insight
 gdb: binaries
@@ -752,10 +903,13 @@ clean: cleanhelp clean-packages
 	$(RM) *.lib *.a *.exp *.dll *.$(RES) *.${OBJEXT} *~ \#* TAGS a.out
 	$(RM) $(TCLSH) $(CAT32)
 	$(RM) *.pch *.ilk *.pdb
+	$(RM) minizip${HOST_EXEEXT} *.${HOST_OBJEXT}
+	$(RM) *.zip
+	$(RMDIR) *.vfs
 
 distclean: distclean-packages clean
 	$(RM) Makefile config.status config.cache config.log tclConfig.sh \
-		tcl.hpj config.status.lineno
+		tcl.hpj config.status.lineno tclsh.exe.manifest
 
 #
 # Bundled package targets
@@ -884,5 +1038,6 @@ html-tk: $(TCLSH)
 .PHONY: gdb depend cleanhelp clean distclean packages install-packages
 .PHONY: test-packages clean-packages distclean-packages genstubs html
 .PHONY: html-tcl html-tk
+.PHONY: iinstall-libraries-zipfs-shared install-libraries-zipfs-static tclzipfile
 
 # DO NOT DELETE THIS LINE -- make depend depends on it.
diff --git a/win/configure b/win/configure
index 7ab33b0..21c3cc7 100755
--- a/win/configure
+++ b/win/configure
@@ -699,6 +699,17 @@ VC_MANIFEST_EMBED_EXE
 VC_MANIFEST_EMBED_DLL
 LDFLAGS_DEFAULT
 CFLAGS_DEFAULT
+INSTALL_MSGS
+INSTALL_LIBRARIES
+TCL_ZIP_FILE
+ZIPFS_BUILD
+ZIP_INSTALL_OBJS
+ZIP_PROG_VFSSEARCH
+ZIP_PROG_OPTIONS
+ZIP_PROG
+TCLSH_PROG
+EXEEXT_FOR_BUILD
+CC_FOR_BUILD
 ZLIB_OBJS
 ZLIB_LIBS
 ZLIB_DLL_FILE
@@ -706,7 +717,9 @@ CFLAGS_WARNING
 CFLAGS_OPTIMIZE
 CFLAGS_DEBUG
 DL_LIBS
+WINE
 CYGPATH
+SHARED_BUILD
 SET_MAKE
 RC
 RANLIB
@@ -758,13 +771,15 @@ PACKAGE_VERSION
 PACKAGE_TARNAME
 PACKAGE_NAME
 PATH_SEPARATOR
-SHELL'
+SHELL
+OBJEXT_FOR_BUILD'
 ac_subst_files=''
 ac_user_opts='
 enable_option_checking
 with_encoding
 enable_shared
 enable_64bit
+enable_zipfs
 enable_symbols
 enable_embedded_manifest
 '
@@ -1386,6 +1401,7 @@ Optional Features:
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
   --enable-shared         build and link with shared libraries (default: on)
   --enable-64bit          enable 64bit support (where applicable)
+  --enable-zipfs          build with Zipfs support (default: on)
   --enable-symbols        build with debugging symbols (default: off)
   --enable-embedded-manifest
                           embed manifest if possible (default: yes)
@@ -3731,6 +3747,7 @@ $as_echo "#define STATIC_BUILD 1" >>confdefs.h
     fi
 
 
+
 #--------------------------------------------------------------------
 # The statements below define a collection of compile flags.  This
 # macro depends on the value of SHARED_BUILD, and should be called
@@ -3814,6 +3831,43 @@ $as_echo "no" >&6; }
 fi
 
 
+    # Extract the first word of "wine", so it can be a program name with args.
+set dummy wine; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_WINE+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$WINE"; then
+  ac_cv_prog_WINE="$WINE" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_WINE="wine"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+WINE=$ac_cv_prog_WINE
+if test -n "$WINE"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $WINE" >&5
+$as_echo "$WINE" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
 
     SHLIB_SUFFIX=".dll"
 
@@ -4525,7 +4579,7 @@ if test "$tcl_ok" = "yes"; then :
 
   ZLIB_DLL_FILE=\${ZLIB_DLL_FILE}
 
-  if test "$do64bit" = "yes"; then :
+  if test "$do64bit" != "no"; then :
 
     if test "$GCC" == "yes"; then :
 
@@ -4660,6 +4714,208 @@ _ACEOF
 fi
 
 
+
+#--------------------------------------------------------------------
+#	Zipfs support - Tip 430
+#--------------------------------------------------------------------
+# Check whether --enable-zipfs was given.
+if test "${enable_zipfs+set}" = set; then :
+  enableval=$enable_zipfs; tcl_ok=$enableval
+else
+  tcl_ok=yes
+fi
+
+if test "$tcl_ok" = "yes" ; then
+    #
+    # Find a native compiler
+    #
+    # Put a plausible default for CC_FOR_BUILD in Makefile.
+if test -z "$CC_FOR_BUILD"; then
+  if test "x$cross_compiling" = "xno"; then
+    CC_FOR_BUILD='$(CC)'
+  else
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gcc" >&5
+$as_echo_n "checking for gcc... " >&6; }
+    if ${ac_cv_path_cc+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+	search_path=`echo ${PATH} | sed -e 's/:/ /g'`
+	for dir in $search_path ; do
+	    for j in `ls -r $dir/gcc 2> /dev/null` \
+		    `ls -r $dir/gcc 2> /dev/null` ; do
+		if test x"$ac_cv_path_cc" = x ; then
+		    if test -f "$j" ; then
+			ac_cv_path_cc=$j
+			break
+		    fi
+		fi
+	    done
+	done
+
+fi
+
+  fi
+fi
+
+# Also set EXEEXT_FOR_BUILD.
+if test "x$cross_compiling" = "xno"; then
+  EXEEXT_FOR_BUILD='$(EXEEXT)'
+  OBJEXT_FOR_BUILD='$(OBJEXT)'
+else
+  OBJEXT_FOR_BUILD='.no'
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for build system executable suffix" >&5
+$as_echo_n "checking for build system executable suffix... " >&6; }
+if ${bfd_cv_build_exeext+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  rm -f conftest*
+     echo 'int main () { return 0; }' > conftest.c
+     bfd_cv_build_exeext=
+     ${CC_FOR_BUILD} -o conftest conftest.c 1>&5 2>&5
+     for file in conftest.*; do
+       case $file in
+       *.c | *.o | *.obj | *.ilk | *.pdb) ;;
+       *) bfd_cv_build_exeext=`echo $file | sed -e s/conftest//` ;;
+       esac
+     done
+     rm -f conftest*
+     test x"${bfd_cv_build_exeext}" = x && bfd_cv_build_exeext=no
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $bfd_cv_build_exeext" >&5
+$as_echo "$bfd_cv_build_exeext" >&6; }
+  EXEEXT_FOR_BUILD=""
+  test x"${bfd_cv_build_exeext}" != xno && EXEEXT_FOR_BUILD=${bfd_cv_build_exeext}
+fi
+
+    #
+    # Find a native zip implementation
+    #
+
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for tclsh" >&5
+$as_echo_n "checking for tclsh... " >&6; }
+
+    if ${ac_cv_path_tclsh+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+	search_path=`echo ${PATH} | sed -e 's/:/ /g'`
+	for dir in $search_path ; do
+	    for j in `ls -r $dir/tclsh[8-9]*.exe 2> /dev/null` \
+		    `ls -r $dir/tclsh* 2> /dev/null` ; do
+		if test x"$ac_cv_path_tclsh" = x ; then
+		    if test -f "$j" ; then
+			ac_cv_path_tclsh=$j
+			break
+		    fi
+		fi
+	    done
+	done
+
+fi
+
+
+    if test -f "$ac_cv_path_tclsh" ; then
+	TCLSH_PROG="$ac_cv_path_tclsh"
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $TCLSH_PROG" >&5
+$as_echo "$TCLSH_PROG" >&6; }
+    else
+	# It is not an error if an installed version of Tcl can't be located.
+	TCLSH_PROG=""
+	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: No tclsh found on PATH" >&5
+$as_echo "No tclsh found on PATH" >&6; }
+    fi
+
+
+
+    ZIP_PROG=""
+    ZIP_PROG_OPTIONS=""
+    ZIP_PROG_VFSSEARCH=""
+    ZIP_INSTALL_OBJS=""
+
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for zip" >&5
+$as_echo_n "checking for zip... " >&6; }
+    if ${ac_cv_path_zip+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+    search_path=`echo ${PATH} | sed -e 's/:/ /g'`
+    for dir in $search_path ; do
+        for j in `ls -r $dir/zip 2> /dev/null` \
+            `ls -r $dir/zip 2> /dev/null` ; do
+        if test x"$ac_cv_path_zip" = x ; then
+            if test -f "$j" ; then
+            ac_cv_path_zip=$j
+            break
+            fi
+        fi
+        done
+    done
+
+fi
+
+    if test -f "$ac_cv_path_zip" ; then
+        ZIP_PROG="$ac_cv_path_zip "
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ZIP_PROG" >&5
+$as_echo "$ZIP_PROG" >&6; }
+        ZIP_PROG_OPTIONS="-rq"
+        ZIP_PROG_VFSSEARCH="."
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: Found INFO Zip in environment" >&5
+$as_echo "Found INFO Zip in environment" >&6; }
+        # Use standard arguments for zip
+    else
+        # It is not an error if an installed version of Zip can't be located.
+        # We can use the locally distributed minizip instead
+        ZIP_PROG="../minizip${EXEEXT_FOR_BUILD}"
+        ZIP_PROG_OPTIONS="-o -r"
+        ZIP_PROG_VFSSEARCH="."
+        ZIP_INSTALL_OBJS="minizip${EXEEXT_FOR_BUILD}"
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: No zip found on PATH building minizip" >&5
+$as_echo "No zip found on PATH building minizip" >&6; }
+    fi
+
+
+
+
+
+	ZIPFS_BUILD=1
+	TCL_ZIP_FILE=libtcl_${TCL_MAJOR_VERSION}_${TCL_MINOR_VERSION}_${TCL_PATCH_LEVEL}.zip
+else
+	ZIPFS_BUILD=0
+	TCL_ZIP_FILE=
+fi
+# Do checking message here to not mess up interleaved configure output
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for building with zipfs" >&5
+$as_echo_n "checking for building with zipfs... " >&6; }
+if test "${ZIPFS_BUILD}" = 1; then
+    if test "${SHARED_BUILD}" = 0; then
+       ZIPFS_BUILD=2;
+
+$as_echo "#define ZIPFS_BUILD 2" >>confdefs.h
+
+       INSTALL_LIBRARIES=install-libraries-zipfs-static
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+     else
+
+$as_echo "#define ZIPFS_BUILD 1" >>confdefs.h
+\
+       INSTALL_LIBRARIES=install-libraries-zipfs-shared
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+    fi
+else
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+INSTALL_LIBRARIES=install-libraries
+INSTALL_MSGS=install-msgs
+fi
+
+
+
+
+
+
 #--------------------------------------------------------------------
 # Perform additinal compiler tests.
 #--------------------------------------------------------------------
diff --git a/win/configure.ac b/win/configure.ac
index 179f151..7b63c61 100644
--- a/win/configure.ac
+++ b/win/configure.ac
@@ -122,7 +122,7 @@ AS_IF([test "${enable_shared+set}" = "set"], [
 ])
 AS_IF([test "$tcl_ok" = "yes"], [
   AC_SUBST(ZLIB_DLL_FILE,[\${ZLIB_DLL_FILE}])
-  AS_IF([test "$do64bit" = "yes"], [
+  AS_IF([test "$do64bit" != "no"], [
     AS_IF([test "$GCC" == "yes"],[
       AC_SUBST(ZLIB_LIBS,[\${ZLIB_DIR_NATIVE}/win64/libz.dll.a])
     ], [
@@ -168,6 +168,54 @@ AC_CHECK_TYPE([uintptr_t], [
     fi
 ])
 
+
+#--------------------------------------------------------------------
+#	Zipfs support - Tip 430
+#--------------------------------------------------------------------
+AC_ARG_ENABLE(zipfs,
+    AC_HELP_STRING([--enable-zipfs],
+	[build with Zipfs support (default: on)]),
+    [tcl_ok=$enableval], [tcl_ok=yes])
+if test "$tcl_ok" = "yes" ; then
+    #
+    # Find a native compiler
+    #
+    AX_CC_FOR_BUILD
+    #
+    # Find a native zip implementation
+    #
+    SC_PROG_TCLSH
+    SC_ZIPFS_SUPPORT
+	ZIPFS_BUILD=1
+	TCL_ZIP_FILE=libtcl_${TCL_MAJOR_VERSION}_${TCL_MINOR_VERSION}_${TCL_PATCH_LEVEL}.zip
+else
+	ZIPFS_BUILD=0
+	TCL_ZIP_FILE=
+fi
+# Do checking message here to not mess up interleaved configure output
+AC_MSG_CHECKING([for building with zipfs])
+if test "${ZIPFS_BUILD}" = 1; then
+    if test "${SHARED_BUILD}" = 0; then
+       ZIPFS_BUILD=2;
+       AC_DEFINE(ZIPFS_BUILD, 2, [Are we building with zipfs enabled?])
+       INSTALL_LIBRARIES=install-libraries-zipfs-static
+       AC_MSG_RESULT([yes])
+     else
+       AC_DEFINE(ZIPFS_BUILD, 1, [Are we building with zipfs enabled?])\
+       INSTALL_LIBRARIES=install-libraries-zipfs-shared
+       AC_MSG_RESULT([yes])
+    fi
+else
+AC_MSG_RESULT([no])
+INSTALL_LIBRARIES=install-libraries
+INSTALL_MSGS=install-msgs
+fi
+AC_SUBST(ZIPFS_BUILD)
+AC_SUBST(TCL_ZIP_FILE)
+AC_SUBST(INSTALL_LIBRARIES)
+AC_SUBST(INSTALL_MSGS)
+
+
 #--------------------------------------------------------------------
 # Perform additinal compiler tests.
 #--------------------------------------------------------------------
diff --git a/win/makefile.vc b/win/makefile.vc
index ceeaa02..2554893 100644
--- a/win/makefile.vc
+++ b/win/makefile.vc
@@ -55,7 +55,7 @@
 #       c:\tcl_src\win\>nmake -f makefile.vc release

 #       c:\tcl_src\win\>nmake -f makefile.vc test

 #       c:\tcl_src\win\>nmake -f makefile.vc install INSTALLDIR=c:\progra~1\tcl

-#       c:\tcl_src\win\>nmake -f makefile.vc release OPTS=pdbs 

+#       c:\tcl_src\win\>nmake -f makefile.vc release OPTS=pdbs

 #       c:\tcl_src\win\>nmake -f makefile.vc release OPTS=symbols

 #

 

@@ -123,7 +123,6 @@ TCLDDELIBNAME	= $(PROJECT)dde$(DDEVERSION)$(SUFX:t=).$(EXT)
 TCLDDELIB	= $(OUT_DIR)\$(TCLDDELIBNAME)

 

 TCLTEST		= $(OUT_DIR)\$(PROJECT)test.exe

-CAT32		= $(OUT_DIR)\cat32.exe

 

 TCLSHOBJS = \

 	$(TMP_DIR)\tclAppInit.obj \

@@ -236,6 +235,7 @@ COREOBJS = \
 	$(TMP_DIR)\tclUtf.obj \

 	$(TMP_DIR)\tclUtil.obj \

 	$(TMP_DIR)\tclVar.obj \

+	$(TMP_DIR)\tclZipfs.obj \

 	$(TMP_DIR)\tclZlib.obj

 

 ZLIBOBJS = \

@@ -383,20 +383,20 @@ release:    setup $(TCLSH) $(TCLSTUBLIB) dlls pkgs
 core:	    setup $(TCLLIB) $(TCLSTUBLIB)

 shell:	    setup $(TCLSH)

 dlls:	    setup $(TCLREGLIB) $(TCLDDELIB)

-all:	    setup $(TCLSH) $(TCLSTUBLIB) dlls $(CAT32) pkgs

-tcltest:    setup $(TCLTEST) dlls $(CAT32)

+all:	    setup $(TCLSH) $(TCLSTUBLIB) dlls pkgs

+tcltest:    setup $(TCLTEST) dlls

 install:    install-binaries install-libraries install-docs install-pkgs

 setup:      default-setup

 

 test: test-core test-pkgs

-test-core: setup $(TCLTEST) dlls $(CAT32)

+test-core: setup $(TCLTEST) dlls

 	set TCL_LIBRARY=$(ROOT:\=/)/library

 	$(DEBUGGER) $(TCLTEST) "$(ROOT:\=/)/tests/all.tcl" $(TESTFLAGS) -loadfile <<

 		package ifneeded dde 1.4.0 [list load "$(TCLDDELIB:\=/)" dde]

 		package ifneeded registry 1.3.2 [list load "$(TCLREGLIB:\=/)" registry]

 <<

 

-runtest: setup $(TCLTEST) dlls $(CAT32)

+runtest: setup $(TCLTEST) dlls

 	set TCL_LIBRARY=$(ROOT:\=/)/library

 	$(DEBUGGER) $(TCLTEST) $(SCRIPT)

 

@@ -418,11 +418,11 @@ $(TCLLIB): $(TCLOBJS)
 $**

 <<

 	$(_VC_MANIFEST_EMBED_DLL)

+

 $(TCLIMPLIB): $(TCLLIB)

 

 !endif # $(STATIC_BUILD)

 

-

 $(TCLSTUBLIB): $(TCLSTUBOBJS)

 	$(LIBCMD) -nodefaultlib $(TCLSTUBOBJS)

 

@@ -484,11 +484,6 @@ clean-pkgs:
 	    popd \

 	  )

 

-$(CAT32): $(WINDIR)\cat.c

-	$(cc32) $(cflags) $(crt) -D_CRT_NONSTDC_NO_DEPRECATE -DCONSOLE -Fo$(TMP_DIR)\ $?

-	$(CONEXECMD) -stack:16384 $(TMP_DIR)\cat.obj

-	$(_VC_MANIFEST_EMBED_EXE)

-

 #---------------------------------------------------------------------

 # Regenerate the stubs files.  [Development use only]

 #---------------------------------------------------------------------

@@ -686,6 +681,9 @@ $(TMP_DIR)\tclTestObj.obj: $(GENERICDIR)\tclTestObj.c
 $(TMP_DIR)\tclWinTest.obj: $(WINDIR)\tclWinTest.c

 	$(CCAPPCMD) $?

 

+$(TMP_DIR)\tclZipfs.obj: $(GENERICDIR)\tclZipfs.c

+	$(cc32) $(pkgcflags) -I$(COMPATDIR)\zlib -I$(COMPATDIR)\zlib\contrib\minizip -Fo$@ $?

+

 $(TMP_DIR)\tclZlib.obj: $(GENERICDIR)\tclZlib.c

 	$(cc32) $(pkgcflags) -I$(COMPATDIR)\zlib -Fo$@ $?

 

@@ -701,6 +699,8 @@ $(TMP_DIR)\tclPkgConfig.obj: $(GENERICDIR)\tclPkgConfig.c
 	-DCFG_RUNTIME_SCRDIR="\"$(SCRIPT_INSTALL_DIR:\=\\)\"" \

 	-DCFG_RUNTIME_INCDIR="\"$(INCLUDE_INSTALL_DIR:\=\\)\"" \

 	-DCFG_RUNTIME_DOCDIR="\"$(DOC_INSTALL_DIR:\=\\)\""     \

+	-DCFG_RUNTIME_DLLFILE="\"$(CFG_RUNTIME_DLLFILE:\=\\)\""     \

+	-DCFG_RUNTIME_ZIPFILE="\"$(CFG_RUNTIME_ZIPFILE:\=\\)\""     \

 	-Fo$@ $?

 

 $(TMP_DIR)\tclAppInit.obj: $(WINDIR)\tclAppInit.c

diff --git a/win/nmakehlp.c b/win/nmakehlp.c
index b759020..1655d48 100644
--- a/win/nmakehlp.c
+++ b/win/nmakehlp.c
@@ -686,10 +686,10 @@ SubstituteFile(
 BOOL FileExists(LPCTSTR szPath)
 {
 #ifndef INVALID_FILE_ATTRIBUTES
-    #define INVALID_FILE_ATTRIBUTES ((DWORD)-1) 
+    #define INVALID_FILE_ATTRIBUTES ((DWORD)-1)
 #endif
     DWORD pathAttr = GetFileAttributes(szPath);
-    return (pathAttr != INVALID_FILE_ATTRIBUTES && 
+    return (pathAttr != INVALID_FILE_ATTRIBUTES &&
 	    !(pathAttr & FILE_ATTRIBUTE_DIRECTORY));
 }
 
@@ -740,7 +740,7 @@ static int LocateDependencyHelper(const char *dir, const char *keypath)
 #if 0 /* This function is not available in Visual C++ 6 */
     /*
      * Use numerics 0 -> FindExInfoStandard,
-     * 1 -> FindExSearchLimitToDirectories, 
+     * 1 -> FindExSearchLimitToDirectories,
      * as these are not defined in Visual C++ 6
      */
     hSearch = FindFirstFileEx(path, 0, &finfo, 1, NULL, 0);
@@ -755,7 +755,7 @@ static int LocateDependencyHelper(const char *dir, const char *keypath)
     do {
 	int sublen;
 	/*
-	 * We need to check it is a directory despite the 
+	 * We need to check it is a directory despite the
 	 * FindExSearchLimitToDirectories in the above call. See SDK docs
 	 */
 	if ((finfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == 0)
@@ -786,7 +786,7 @@ static int LocateDependencyHelper(const char *dir, const char *keypath)
  *          that is used to confirm it is the correct directory.
  *	The search path for the package directory is currently only
  *      the parent and grandparent of the current working directory.
- *      If found, the command prints 
+ *      If found, the command prints
  *         name_DIRPATH=<full path of located directory>
  *      and returns 0. If not found, does not print anything and returns 1.
  */
@@ -794,7 +794,7 @@ static int LocateDependency(const char *keypath)
 {
     int i, ret;
     static char *paths[] = {"..", "..\\..", "..\\..\\.."};
-    
+
     for (i = 0; i < (sizeof(paths)/sizeof(paths[0])); ++i) {
 	ret = LocateDependencyHelper(paths[i], keypath);
 	if (ret == 0)
diff --git a/win/tcl.m4 b/win/tcl.m4
index e2a2fb2..bdcd8ea 100644
--- a/win/tcl.m4
+++ b/win/tcl.m4
@@ -251,6 +251,7 @@ AC_DEFUN([SC_PATH_TKCONFIG], [
 #		TCL_BIN_DIR
 #		TCL_SRC_DIR
 #		TCL_LIB_FILE
+#		TCL_ZIP_FILE
 #
 #------------------------------------------------------------------------
 
@@ -283,6 +284,7 @@ AC_DEFUN([SC_LOAD_TCLCONFIG], [
     # eval is required to do the TCL_DBGX substitution
     #
 
+    eval "TCL_ZIP_FILE=\"${TCL_ZIP_FILE}\""
     eval "TCL_LIB_FILE=\"${TCL_LIB_FILE}\""
     eval "TCL_LIB_FLAG=\"${TCL_LIB_FLAG}\""
     eval "TCL_LIB_SPEC=\"${TCL_LIB_SPEC}\""
@@ -295,6 +297,7 @@ AC_DEFUN([SC_LOAD_TCLCONFIG], [
     AC_SUBST(TCL_BIN_DIR)
     AC_SUBST(TCL_SRC_DIR)
 
+    AC_SUBST(TCL_ZIP_FILE)
     AC_SUBST(TCL_LIB_FILE)
     AC_SUBST(TCL_LIB_FLAG)
     AC_SUBST(TCL_LIB_SPEC)
@@ -380,6 +383,7 @@ AC_DEFUN([SC_ENABLE_SHARED], [
 	SHARED_BUILD=0
 	AC_DEFINE(STATIC_BUILD, 1, [Is this a static build?])
     fi
+    AC_SUBST(SHARED_BUILD)
 ])
 
 #------------------------------------------------------------------------
@@ -513,6 +517,7 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
 	AC_DEFINE(MODULE_SCOPE, [extern], [No need to mark inidividual symbols as hidden])
 
     AC_CHECK_PROG(CYGPATH, cygpath, cygpath -m, echo)
+    AC_CHECK_PROG(WINE, wine, wine,)
 
     SHLIB_SUFFIX=".dll"
 
@@ -1159,3 +1164,126 @@ print("manifest needed")
     AC_SUBST(VC_MANIFEST_EMBED_DLL)
     AC_SUBST(VC_MANIFEST_EMBED_EXE)
 ])
+
+#------------------------------------------------------------------------
+# SC_CC_FOR_BUILD
+#	For cross compiles, locate a C compiler that can generate native binaries.
+#
+# Arguments:
+#	none
+#
+# Results:
+#	Substitutes the following vars:
+#		CC_FOR_BUILD
+#		EXEEXT_FOR_BUILD
+#------------------------------------------------------------------------
+
+dnl Get a default for CC_FOR_BUILD to put into Makefile.
+AC_DEFUN([AX_CC_FOR_BUILD],
+[# Put a plausible default for CC_FOR_BUILD in Makefile.
+if test -z "$CC_FOR_BUILD"; then
+  if test "x$cross_compiling" = "xno"; then
+    CC_FOR_BUILD='$(CC)'
+  else
+    AC_MSG_CHECKING([for gcc])
+    AC_CACHE_VAL(ac_cv_path_cc, [
+	search_path=`echo ${PATH} | sed -e 's/:/ /g'`
+	for dir in $search_path ; do
+	    for j in `ls -r $dir/gcc 2> /dev/null` \
+		    `ls -r $dir/gcc 2> /dev/null` ; do
+		if test x"$ac_cv_path_cc" = x ; then
+		    if test -f "$j" ; then
+			ac_cv_path_cc=$j
+			break
+		    fi
+		fi
+	    done
+	done
+    ])
+  fi
+fi
+AC_SUBST(CC_FOR_BUILD)
+# Also set EXEEXT_FOR_BUILD.
+if test "x$cross_compiling" = "xno"; then
+  EXEEXT_FOR_BUILD='$(EXEEXT)'
+  OBJEXT_FOR_BUILD='$(OBJEXT)'
+else
+  OBJEXT_FOR_BUILD='.no'
+  AC_CACHE_CHECK([for build system executable suffix], bfd_cv_build_exeext,
+    [rm -f conftest*
+     echo 'int main () { return 0; }' > conftest.c
+     bfd_cv_build_exeext=
+     ${CC_FOR_BUILD} -o conftest conftest.c 1>&5 2>&5
+     for file in conftest.*; do
+       case $file in
+       *.c | *.o | *.obj | *.ilk | *.pdb) ;;
+       *) bfd_cv_build_exeext=`echo $file | sed -e s/conftest//` ;;
+       esac
+     done
+     rm -f conftest*
+     test x"${bfd_cv_build_exeext}" = x && bfd_cv_build_exeext=no])
+  EXEEXT_FOR_BUILD=""
+  test x"${bfd_cv_build_exeext}" != xno && EXEEXT_FOR_BUILD=${bfd_cv_build_exeext}
+fi
+AC_SUBST(EXEEXT_FOR_BUILD)])dnl
+AC_SUBST(OBJEXT_FOR_BUILD)])dnl
+
+
+
+#------------------------------------------------------------------------
+# SC_ZIPFS_SUPPORT
+#	Locate a zip encoder installed on the system path, or none.
+#
+# Arguments:
+#	none
+#
+# Results:
+#	Substitutes the following vars:
+#		ZIP_PROG
+#       ZIP_PROG_OPTIONS
+#       ZIP_PROG_VFSSEARCH
+#       ZIP_INSTALL_OBJS
+#------------------------------------------------------------------------
+
+AC_DEFUN([SC_ZIPFS_SUPPORT], [
+    ZIP_PROG=""
+    ZIP_PROG_OPTIONS=""
+    ZIP_PROG_VFSSEARCH=""
+    ZIP_INSTALL_OBJS=""
+
+    AC_MSG_CHECKING([for zip])
+    AC_CACHE_VAL(ac_cv_path_zip, [
+    search_path=`echo ${PATH} | sed -e 's/:/ /g'`
+    for dir in $search_path ; do
+        for j in `ls -r $dir/zip 2> /dev/null` \
+            `ls -r $dir/zip 2> /dev/null` ; do
+        if test x"$ac_cv_path_zip" = x ; then
+            if test -f "$j" ; then
+            ac_cv_path_zip=$j
+            break
+            fi
+        fi
+        done
+    done
+    ])
+    if test -f "$ac_cv_path_zip" ; then
+        ZIP_PROG="$ac_cv_path_zip "
+        AC_MSG_RESULT([$ZIP_PROG])
+        ZIP_PROG_OPTIONS="-rq"
+        ZIP_PROG_VFSSEARCH="."
+        AC_MSG_RESULT([Found INFO Zip in environment])
+        # Use standard arguments for zip
+    else
+        # It is not an error if an installed version of Zip can't be located.
+        # We can use the locally distributed minizip instead
+        ZIP_PROG="../minizip${EXEEXT_FOR_BUILD}"
+        ZIP_PROG_OPTIONS="-o -r"
+        ZIP_PROG_VFSSEARCH="."
+        ZIP_INSTALL_OBJS="minizip${EXEEXT_FOR_BUILD}"
+        AC_MSG_RESULT([No zip found on PATH building minizip])
+    fi
+    AC_SUBST(ZIP_PROG)
+    AC_SUBST(ZIP_PROG_OPTIONS)
+    AC_SUBST(ZIP_PROG_VFSSEARCH)
+    AC_SUBST(ZIP_INSTALL_OBJS)
+])
diff --git a/win/tclAppInit.c b/win/tclAppInit.c
index ef9f98b..fa27756 100644
--- a/win/tclAppInit.c
+++ b/win/tclAppInit.c
@@ -35,8 +35,10 @@ extern Tcl_PackageInitProc Dde_Init;
 extern Tcl_PackageInitProc Dde_SafeInit;
 #endif
 
-#ifdef TCL_BROKEN_MAINARGS
+#if defined(__GNUC__) || defined(TCL_BROKEN_MAINARGS)
 int _CRT_glob = 0;
+#endif /* __GNUC__ || TCL_BROKEN_MAINARGS */
+#ifdef TCL_BROKEN_MAINARGS
 static void setargv(int *argcPtr, TCHAR ***argvPtr);
 #endif /* TCL_BROKEN_MAINARGS */
 
@@ -124,6 +126,9 @@ _tmain(
 
 #ifdef TCL_LOCAL_MAIN_HOOK
     TCL_LOCAL_MAIN_HOOK(&argc, &argv);
+#elif !defined(_WIN32) || defined(UNICODE)
+    /* This doesn't work on Windows without UNICODE */
+    TclZipfs_AppHook(&argc, &argv);
 #endif
 
     Tcl_Main(argc, argv, TCL_LOCAL_APPINIT);
diff --git a/win/tclConfig.sh.in b/win/tclConfig.sh.in
index 8aa25f8..5dc6833 100644
--- a/win/tclConfig.sh.in
+++ b/win/tclConfig.sh.in
@@ -41,6 +41,9 @@ TCL_SHARED_BUILD=@TCL_SHARED_BUILD@
 # The name of the Tcl library (may be either a .a file or a shared library):
 TCL_LIB_FILE='@TCL_LIB_FILE@'
 
+# The name of a zip containing the /library and /encodings (may be either a .zip file or a shared library):
+TCL_ZIP_FILE='@TCL_ZIP_FILE@'
+
 # Flag to indicate whether shared libraries need export files.
 TCL_NEEDS_EXP_FILE=@TCL_NEEDS_EXP_FILE@
 
diff --git a/win/tclWin32Dll.c b/win/tclWin32Dll.c
index 599c126..dca6875 100644
--- a/win/tclWin32Dll.c
+++ b/win/tclWin32Dll.c
@@ -471,17 +471,11 @@ Tcl_WinUtfToTChar(
     Tcl_DString *dsPtr)		/* Uninitialized or free DString in which the
 				 * converted string is stored. */
 {
-    TCHAR *wp;
-    int size = MultiByteToWideChar(CP_UTF8, 0, string, len, 0, 0);
-
     Tcl_DStringInit(dsPtr);
-    Tcl_DStringSetLength(dsPtr, 2*size+2);
-    wp = (TCHAR *)Tcl_DStringValue(dsPtr);
-    MultiByteToWideChar(CP_UTF8, 0, string, len, wp, size+1);
-    if (len == -1) --size; /* account for 0-byte at string end */
-    Tcl_DStringSetLength(dsPtr, 2*size);
-    wp[size] = 0;
-    return wp;
+    if (!string) {
+	return NULL;
+    }
+    return Tcl_UtfToUniCharDString(string, len, dsPtr);
 }
 
 char *
@@ -492,21 +486,16 @@ Tcl_WinTCharToUtf(
     Tcl_DString *dsPtr)		/* Uninitialized or free DString in which the
 				 * converted string is stored. */
 {
-    char *p;
-    int size;
-
-    if (len > 0) {
+    Tcl_DStringInit(dsPtr);
+    if (!string) {
+	return NULL;
+    }
+    if (len < 0) {
+	len = wcslen(string);
+    } else {
 	len /= 2;
     }
-    size = WideCharToMultiByte(CP_UTF8, 0, string, len, 0, 0, NULL, NULL);
-    Tcl_DStringInit(dsPtr);
-    Tcl_DStringSetLength(dsPtr, size+1);
-    p = (char *)Tcl_DStringValue(dsPtr);
-    WideCharToMultiByte(CP_UTF8, 0, string, len, p, size, NULL, NULL);
-    if (len == -1) --size; /* account for 0-byte at string end */
-    Tcl_DStringSetLength(dsPtr, size);
-    p[size] = 0;
-    return p;
+    return Tcl_UniCharToUtfDString(string, len, dsPtr);
 }
 
 /*
@@ -536,7 +525,7 @@ TclWinCPUID(
 
 #if defined(HAVE_INTRIN_H) && defined(_WIN64)
 
-    __cpuid(regsPtr, index);
+    __cpuid((int *)regsPtr, index);
     status = TCL_OK;
 
 #elif defined(__GNUC__)
diff --git a/win/tclWinChan.c b/win/tclWinChan.c
index 8ffb31f..8c47be6 100644
--- a/win/tclWinChan.c
+++ b/win/tclWinChan.c
@@ -554,8 +554,8 @@ FileWideSeekProc(
 	moveMethod = FILE_END;
     }
 
-    newPosHigh = Tcl_WideAsLong(offset >> 32);
-    newPos = SetFilePointer(infoPtr->handle, Tcl_WideAsLong(offset),
+    newPosHigh = (LONG)(offset >> 32);
+    newPos = SetFilePointer(infoPtr->handle, (LONG)offset,
 	    &newPosHigh, moveMethod);
     if (newPos == (LONG) INVALID_SET_FILE_POINTER) {
 	DWORD winError = GetLastError();
@@ -567,7 +567,7 @@ FileWideSeekProc(
 	}
     }
     return (((Tcl_WideInt)((unsigned)newPos))
-	    | (Tcl_LongAsWide(newPosHigh) << 32));
+	    | ((Tcl_WideInt)newPosHigh << 32));
 }
 
 /*
@@ -613,8 +613,8 @@ FileTruncateProc(
      * Move to where we want to truncate
      */
 
-    newPosHigh = Tcl_WideAsLong(length >> 32);
-    newPos = SetFilePointer(infoPtr->handle, Tcl_WideAsLong(length),
+    newPosHigh = (LONG)(length >> 32);
+    newPos = SetFilePointer(infoPtr->handle, (LONG)length,
 	    &newPosHigh, FILE_BEGIN);
     if (newPos == (LONG) INVALID_SET_FILE_POINTER) {
 	DWORD winError = GetLastError();
diff --git a/win/tclWinConsole.c b/win/tclWinConsole.c
index 92643cf..f8b67a3 100644
--- a/win/tclWinConsole.c
+++ b/win/tclWinConsole.c
@@ -1360,11 +1360,7 @@ TclWinOpenConsoleChannel(
 
     Tcl_SetChannelOption(NULL, infoPtr->channel, "-translation", "auto");
     Tcl_SetChannelOption(NULL, infoPtr->channel, "-eofchar", "\032 {}");
-#ifdef UNICODE
     Tcl_SetChannelOption(NULL, infoPtr->channel, "-encoding", "unicode");
-#else
-    Tcl_SetChannelOption(NULL, infoPtr->channel, "-encoding", encoding);
-#endif
     return infoPtr->channel;
 }
 
diff --git a/win/tclWinDde.c b/win/tclWinDde.c
index 381db65..52bcd42 100644
--- a/win/tclWinDde.c
+++ b/win/tclWinDde.c
@@ -18,15 +18,6 @@
 #include <dde.h>
 #include <ddeml.h>
 
-#ifndef UNICODE
-#   undef CP_WINUNICODE
-#   define CP_WINUNICODE CP_WINANSI
-#   undef Tcl_WinTCharToUtf
-#   define Tcl_WinTCharToUtf(a,b,c) Tcl_ExternalToUtfDString(NULL,a,b,c)
-#   undef Tcl_WinUtfToTChar
-#   define Tcl_WinUtfToTChar(a,b,c) Tcl_UtfToExternalDString(NULL,a,b,c)
-#endif
-
 #if !defined(NDEBUG)
     /* test POKE server Implemented for debug mode only */
 #   undef CBF_FAIL_POKES
@@ -1432,11 +1423,7 @@ DdeObjCmd(
     Initialize();
 
     if (firstArg != 1) {
-#ifdef UNICODE
 	serviceName = Tcl_GetUnicodeFromObj(objv[firstArg], &length);
-#else
-	serviceName = Tcl_GetStringFromObj(objv[firstArg], &length);
-#endif
     } else {
 	length = 0;
     }
@@ -1449,11 +1436,7 @@ DdeObjCmd(
     }
 
     if ((index != DDE_SERVERNAME) && (index != DDE_EVAL)) {
-#ifdef UNICODE
 	topicName = (TCHAR *) Tcl_GetUnicodeFromObj(objv[firstArg + 1], &length);
-#else
-	topicName = Tcl_GetStringFromObj(objv[firstArg + 1], &length);
-#endif
 	if (length == 0) {
 	    topicName = NULL;
 	} else {
@@ -1467,11 +1450,7 @@ DdeObjCmd(
 	serviceName = DdeSetServerName(interp, serviceName, flags,
 		handlerPtr);
 	if (serviceName != NULL) {
-#ifdef UNICODE
 	    Tcl_SetObjResult(interp, Tcl_NewUnicodeObj((Tcl_UniChar *) serviceName, -1));
-#else
-	    Tcl_SetObjResult(interp, Tcl_NewStringObj(serviceName, -1));
-#endif
 	} else {
 	    Tcl_ResetResult(interp);
 	}
@@ -1530,13 +1509,8 @@ DdeObjCmd(
 	break;
     }
     case DDE_REQUEST: {
-#ifdef UNICODE
 	const TCHAR *itemString = (TCHAR *) Tcl_GetUnicodeFromObj(objv[firstArg + 2],
 		&length);
-#else
-	const TCHAR *itemString = Tcl_GetStringFromObj(objv[firstArg + 2],
-		&length);
-#endif
 
 	if (length == 0) {
 	    Tcl_SetObjResult(interp,
@@ -1590,13 +1564,8 @@ DdeObjCmd(
 	break;
     }
     case DDE_POKE: {
-#ifdef UNICODE
 	const TCHAR *itemString = (TCHAR *) Tcl_GetUnicodeFromObj(objv[firstArg + 2],
 		&length);
-#else
-	const TCHAR *itemString = Tcl_GetStringFromObj(objv[firstArg + 2],
-		&length);
-#endif
 	BYTE *dataString;
 
 	if (length == 0) {
diff --git a/win/tclWinError.c b/win/tclWinError.c
index 5d4423b..bce81fa 100644
--- a/win/tclWinError.c
+++ b/win/tclWinError.c
@@ -391,7 +391,7 @@ tclWinDebugPanic(
 
     if (IsDebuggerPresent()) {
 	WCHAR msgString[TCL_MAX_WARN_LEN];
-	char buf[TCL_MAX_WARN_LEN * TCL_UTF_MAX];
+	char buf[TCL_MAX_WARN_LEN * 3];
 
 	vsnprintf(buf, sizeof(buf), format, argList);
 	msgString[TCL_MAX_WARN_LEN-1] = L'\0';
diff --git a/win/tclWinFCmd.c b/win/tclWinFCmd.c
index 319ecf9..c3ced34 100644
--- a/win/tclWinFCmd.c
+++ b/win/tclWinFCmd.c
@@ -337,7 +337,7 @@ DoRenameFile(
 	     * character is either end-of-string or a directory separator
 	     */
 
-	    if ((strncmp(src, dst, (size_t) Tcl_DStringLength(&srcString))==0)
+	    if ((strncmp(src, dst, Tcl_DStringLength(&srcString))==0)
 		    && (dst[Tcl_DStringLength(&srcString)] == '\\'
 		    || dst[Tcl_DStringLength(&srcString)] == '/'
 		    || dst[Tcl_DStringLength(&srcString)] == '\0')) {
@@ -1026,7 +1026,8 @@ DoRemoveJustDirectory(
 
     if (nativePath == NULL || nativePath[0] == '\0') {
 	Tcl_SetErrno(ENOENT);
-	goto end;
+	Tcl_DStringInit(errorPtr);
+	return TCL_ERROR;
     }
 
     attr = GetFileAttributes(nativePath);
@@ -1108,9 +1109,7 @@ DoRemoveJustDirectory(
 
   end:
     if (errorPtr != NULL) {
-	char *p;
-	Tcl_WinTCharToUtf(nativePath, -1, errorPtr);
-	p = Tcl_DStringValue(errorPtr);
+	char *p = Tcl_WinTCharToUtf(nativePath, -1, errorPtr);
 	for (; *p; ++p) {
 	    if (*p == '\\') *p = '/';
 	}
@@ -1650,7 +1649,6 @@ ConvertFileNameFormat(
 	     * likely to lead to infinite loops.
 	     */
 
-	    Tcl_DStringInit(&ds);
 	    tempString = TclGetString(tempPath);
 	    nativeName = Tcl_WinUtfToTChar(tempString, tempPath->length, &ds);
 	    Tcl_DecrRefCount(tempPath);
diff --git a/win/tclWinFile.c b/win/tclWinFile.c
index 0595e6c..dfeeef1 100755
--- a/win/tclWinFile.c
+++ b/win/tclWinFile.c
@@ -567,7 +567,6 @@ WinReadLinkDirectory(
 	 */
 
 	offset = 0;
-#ifdef UNICODE
 	if (reparseBuffer->MountPointReparseBuffer.PathBuffer[0] == L'\\') {
 	    /*
 	     * Check whether this is a mounted volume.
@@ -629,7 +628,6 @@ WinReadLinkDirectory(
 		offset = 4;
 	    }
 	}
-#endif /* UNICODE */
 
 	Tcl_WinTCharToUtf((const TCHAR *)
 		reparseBuffer->MountPointReparseBuffer.PathBuffer,
@@ -800,7 +798,7 @@ tclWinDebugPanic(
 {
 #define TCL_MAX_WARN_LEN 1024
     va_list argList;
-    char buf[TCL_MAX_WARN_LEN * TCL_UTF_MAX];
+    char buf[TCL_MAX_WARN_LEN * 3];
     WCHAR msgString[TCL_MAX_WARN_LEN];
 
     va_start(argList, format);
@@ -859,7 +857,7 @@ TclpFindExecutable(
 				 * ignore. */
 {
     WCHAR wName[MAX_PATH];
-    char name[MAX_PATH * TCL_UTF_MAX];
+    char name[MAX_PATH * 3];
 
     /*
      * Under Windows we ignore argv0, and return the path for the file used to
@@ -871,17 +869,7 @@ TclpFindExecutable(
 	Tcl_SetPanicProc(tclWinDebugPanic);
     }
 
-#ifdef UNICODE
     GetModuleFileNameW(NULL, wName, MAX_PATH);
-#else
-    GetModuleFileNameA(NULL, name, sizeof(name));
-
-    /*
-     * Convert to WCHAR to get out of ANSI codepage
-     */
-
-    MultiByteToWideChar(CP_ACP, 0, name, -1, wName, MAX_PATH);
-#endif
     WideCharToMultiByte(CP_UTF8, 0, wName, -1, name, sizeof(name), NULL, NULL);
     TclWinNoBackslash(name);
     TclSetObjNameOfExecutable(Tcl_NewStringObj(name, -1), NULL);
@@ -1452,9 +1440,9 @@ TclpGetUserHome(
     domain = Tcl_UtfFindFirst(name, '@');
     if (domain == NULL) {
 	const char *ptr;
-	
+
 	/* no domain - firstly check it's the current user */
-	if ( (ptr = TclpGetUserName(&ds)) != NULL 
+	if ( (ptr = TclpGetUserName(&ds)) != NULL
 	  && strcasecmp(name, ptr) == 0
 	) {
 	    /* try safest and fastest way to get current user home */
@@ -1477,7 +1465,7 @@ TclpGetUserHome(
 	Tcl_DStringInit(&ds);
 	wName = Tcl_UtfToUniCharDString(name, nameLen, &ds);
 	while (NetUserGetInfo(wDomain, wName, 1, (LPBYTE *) &uiPtr) != 0) {
-	    /* 
+	    /*
 	     * user does not exists - if domain was not specified,
 	     * try again using current domain.
 	     */
@@ -1592,7 +1580,7 @@ NativeAccess(
 	return 0;
     }
 
-    /* 
+    /*
      * If it's not a directory (assume file), do several fast checks:
      */
     if (!(attr & FILE_ATTRIBUTE_DIRECTORY)) {
@@ -1646,7 +1634,6 @@ NativeAccess(
      * what permissions the OS has set for a file.
      */
 
-#ifdef UNICODE
     {
 	SECURITY_DESCRIPTOR *sdPtr = NULL;
 	unsigned long size;
@@ -1809,7 +1796,6 @@ NativeAccess(
 	}
 
     }
-#endif /* !UNICODE */
     return 0;
 }
 
@@ -2023,7 +2009,8 @@ NativeStat(
      */
 
     fileHandle = CreateFile(nativePath, GENERIC_READ,
-	    FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING,
+	    FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
+	    NULL, OPEN_EXISTING,
 	    FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT, NULL);
 
     if (fileHandle != INVALID_HANDLE_VALUE) {
diff --git a/win/tclWinInit.c b/win/tclWinInit.c
index b77a580..2ce19ce 100644
--- a/win/tclWinInit.c
+++ b/win/tclWinInit.c
@@ -107,7 +107,6 @@ static ProcessGlobalValue sourceLibraryDir =
 	{0, 0, NULL, NULL, InitializeSourceLibraryDir, NULL, NULL};
 
 static void		AppendEnvironment(Tcl_Obj *listPtr, const char *lib);
-static int		ToUtf(const WCHAR *wSrc, char *dst);
 
 /*
  *---------------------------------------------------------------------------
@@ -257,7 +256,7 @@ AppendEnvironment(
 {
     int pathc;
     WCHAR wBuf[MAX_PATH];
-    char buf[MAX_PATH * TCL_UTF_MAX];
+    char buf[MAX_PATH * 3];
     Tcl_Obj *objPtr;
     Tcl_DString ds;
     const char **pathv;
@@ -286,12 +285,8 @@ AppendEnvironment(
      * this is a unicode string.
      */
 
-    if (GetEnvironmentVariableW(L"TCL_LIBRARY", wBuf, MAX_PATH) == 0) {
-	buf[0] = '\0';
-	GetEnvironmentVariableA("TCL_LIBRARY", buf, MAX_PATH);
-    } else {
-	ToUtf(wBuf, buf);
-    }
+    GetEnvironmentVariableW(L"TCL_LIBRARY", wBuf, MAX_PATH);
+    WideCharToMultiByte(CP_UTF8, 0, wBuf, -1, buf, MAX_PATH * 3, NULL, NULL);
 
     if (buf[0] != '\0') {
 	objPtr = Tcl_NewStringObj(buf, -1);
@@ -350,14 +345,11 @@ InitializeDefaultLibraryDir(
 {
     HMODULE hModule = TclWinGetTclInstance();
     WCHAR wName[MAX_PATH + LIBRARY_SIZE];
-    char name[(MAX_PATH + LIBRARY_SIZE) * TCL_UTF_MAX];
+    char name[(MAX_PATH + LIBRARY_SIZE) * 3];
     char *end, *p;
 
-    if (GetModuleFileNameW(hModule, wName, MAX_PATH) == 0) {
-	GetModuleFileNameA(hModule, name, MAX_PATH);
-    } else {
-	ToUtf(wName, name);
-    }
+    GetModuleFileNameW(hModule, wName, MAX_PATH);
+    WideCharToMultiByte(CP_UTF8, 0, wName, -1, name, MAX_PATH * 3, NULL, NULL);
 
     end = strrchr(name, '\\');
     *end = '\0';
@@ -401,14 +393,11 @@ InitializeSourceLibraryDir(
 {
     HMODULE hModule = TclWinGetTclInstance();
     WCHAR wName[MAX_PATH + LIBRARY_SIZE];
-    char name[(MAX_PATH + LIBRARY_SIZE) * TCL_UTF_MAX];
+    char name[(MAX_PATH + LIBRARY_SIZE) * 3];
     char *end, *p;
 
-    if (GetModuleFileNameW(hModule, wName, MAX_PATH) == 0) {
-	GetModuleFileNameA(hModule, name, MAX_PATH);
-    } else {
-	ToUtf(wName, name);
-    }
+    GetModuleFileNameW(hModule, wName, MAX_PATH);
+    WideCharToMultiByte(CP_UTF8, 0, wName, -1, name, MAX_PATH * 3, NULL, NULL);
 
     end = strrchr(name, '\\');
     *end = '\0';
@@ -429,38 +418,6 @@ InitializeSourceLibraryDir(
 /*
  *---------------------------------------------------------------------------
  *
- * ToUtf --
- *
- *	Convert a char string to a UTF string.
- *
- * Results:
- *	None.
- *
- * Side effects:
- *	None.
- *
- *---------------------------------------------------------------------------
- */
-
-static int
-ToUtf(
-    const WCHAR *wSrc,
-    char *dst)
-{
-    char *start;
-
-    start = dst;
-    while (*wSrc != '\0') {
-	dst += Tcl_UniCharToUtf(*wSrc, dst);
-	wSrc++;
-    }
-    *dst = '\0';
-    return (int) (dst - start);
-}
-
-/*
- *---------------------------------------------------------------------------
- *
  * TclpSetInitialEncodings --
  *
  *	Based on the locale, determine the encoding of the operating system
@@ -646,7 +603,7 @@ TclpSetVariables(
  * TclpFindVariable --
  *
  *	Locate the entry in environ for a given name. On Unix this routine is
- *	case sensitive, on Windows this matches mioxed case.
+ *	case sensitive, on Windows this matches mixed case.
  *
  * Results:
  *	The return value is the index in environ of an entry with the name
diff --git a/win/tclWinNotify.c b/win/tclWinNotify.c
index 28c8445..b34fc4f 100644
--- a/win/tclWinNotify.c
+++ b/win/tclWinNotify.c
@@ -36,7 +36,6 @@ typedef struct {
     int pending;		/* Alert message pending, this field is locked
 				 * by the notifierMutex. */
     HWND hwnd;			/* Messaging window. */
-    int timeout;		/* Current timeout value. */
     int timerActive;		/* 1 if interval timer is running. */
 } ThreadSpecificData;
 
@@ -309,11 +308,10 @@ Tcl_SetTimer(
 		timeout = 1;
 	    }
 	}
-	tsdPtr->timeout = timeout;
 	if (timeout != 0) {
 	    tsdPtr->timerActive = 1;
 	    SetTimer(tsdPtr->hwnd, INTERVAL_TIMER,
-		    (unsigned long) tsdPtr->timeout, NULL);
+		    timeout, NULL);
 	} else {
 	    tsdPtr->timerActive = 0;
 	    KillTimer(tsdPtr->hwnd, INTERVAL_TIMER);
diff --git a/win/tclWinPanic.c b/win/tclWinPanic.c
index d23ffcd..a71f506 100644
--- a/win/tclWinPanic.c
+++ b/win/tclWinPanic.c
@@ -35,7 +35,7 @@ Tcl_ConsolePanic(
 #define TCL_MAX_WARN_LEN 26000
     va_list argList;
     WCHAR msgString[TCL_MAX_WARN_LEN];
-    char buf[TCL_MAX_WARN_LEN * TCL_UTF_MAX];
+    char buf[TCL_MAX_WARN_LEN * 3];
     HANDLE handle = GetStdHandle(STD_ERROR_HANDLE);
     DWORD dummy;
 
diff --git a/win/tclWinPipe.c b/win/tclWinPipe.c
index a357412..bd95ea4 100644
--- a/win/tclWinPipe.c
+++ b/win/tclWinPipe.c
@@ -869,7 +869,7 @@ TclpGetPid(
 
     Tcl_MutexLock(&pipeMutex);
     for (infoPtr = procList; infoPtr != NULL; infoPtr = infoPtr->nextPtr) {
-	if (infoPtr->dwProcessId == (DWORD) pid) {
+	if (infoPtr->dwProcessId == (DWORD) (size_t) pid) {
 	    Tcl_MutexUnlock(&pipeMutex);
 	    return infoPtr->dwProcessId;
 	}
@@ -941,7 +941,7 @@ TclpCreateProcess(
     PROCESS_INFORMATION procInfo;
     SECURITY_ATTRIBUTES secAtts;
     HANDLE hProcess, h, inputHandle, outputHandle, errorHandle;
-    char execPath[MAX_PATH * TCL_UTF_MAX];
+    char execPath[MAX_PATH * 3];
     WinFile *filePtr;
 
     PipeInit();
@@ -1163,7 +1163,7 @@ TclpCreateProcess(
     WaitForInputIdle(procInfo.hProcess, 5000);
     CloseHandle(procInfo.hThread);
 
-    *pidPtr = (Tcl_Pid) procInfo.dwProcessId;
+    *pidPtr = (Tcl_Pid) (size_t) procInfo.dwProcessId;
     if (*pidPtr != 0) {
 	TclWinAddProcess(procInfo.hProcess, procInfo.dwProcessId);
     }
@@ -1272,7 +1272,7 @@ ApplicationType(
 
     /*
      * Look for the program as an external program. First try the name as it
-     * is, then try adding .com, .exe, and .bat, in that order, to the name,
+     * is, then try adding .com, .exe, .bat and .cmd, in that order, to the name,
      * looking for an executable.
      *
      * Using the raw SearchPath() function doesn't do quite what is necessary.
@@ -1391,7 +1391,7 @@ ApplicationType(
 	return APPL_NONE;
     }
 
-    if ((applType == APPL_DOS) || (applType == APPL_WIN3X)) {
+    if (applType == APPL_WIN3X) {
 	/*
 	 * Replace long path name of executable with short path name for
 	 * 16-bit applications. Otherwise the application may not be able to
@@ -1425,6 +1425,86 @@ ApplicationType(
  *----------------------------------------------------------------------
  */
 
+static const char *
+BuildCmdLineBypassBS(
+    const char *current,
+    const char **bspos
+) {
+    /* mark first backslash possition */
+    if (!*bspos) {
+	*bspos = current;
+    }
+    do {
+	current++;
+    } while (*current == '\\');
+    return current;
+}
+
+static void
+QuoteCmdLineBackslash(
+    Tcl_DString *dsPtr,
+    const char *start,
+    const char *current,
+    const char *bspos
+) {
+    if (!bspos) {
+	if (current > start) { /* part before current (special) */
+	    Tcl_DStringAppend(dsPtr, start, (int) (current - start));
+	}
+    } else {
+    	if (bspos > start) { /* part before first backslash */
+	    Tcl_DStringAppend(dsPtr, start, (int) (bspos - start));
+	}
+	while (bspos++ < current) { /* each backslash twice */
+	    TclDStringAppendLiteral(dsPtr, "\\\\");
+	}
+    }
+}
+
+static const char *
+QuoteCmdLinePart(
+    Tcl_DString *dsPtr,
+    const char *start,
+    const char *special,
+    const char *specMetaChars,
+    const char **bspos
+) {
+    if (!*bspos) {
+	/* rest before special (before quote) */
+	QuoteCmdLineBackslash(dsPtr, start, special, NULL);
+	start = special;
+    } else {
+	/* rest before first backslash and backslashes into new quoted block */
+	QuoteCmdLineBackslash(dsPtr, start, *bspos, NULL);
+	start = *bspos;
+    }
+    /*
+     * escape all special chars enclosed in quotes like `"..."`, note that here we
+     * don't must escape `\` (with `\`), because it's outside of the main quotes,
+     * so `\` remains `\`, but important - not at end of part, because results as
+     * before the quote,  so `%\%\` should be escaped as `"%\%"\\`).
+     */
+    TclDStringAppendLiteral(dsPtr, "\""); /* opening escape quote-char */
+    do {
+    	*bspos = NULL;
+	special++;
+	if (*special == '\\') {
+	    /* bypass backslashes (and mark first backslash possition)*/
+	    special = BuildCmdLineBypassBS(special, bspos);
+	    if (*special == '\0') break;
+	}
+    } while (*special && strchr(specMetaChars, *special));
+    if (!*bspos) {
+	/* unescaped rest before quote */
+	QuoteCmdLineBackslash(dsPtr, start, special, NULL);
+    } else {
+	/* unescaped rest before first backslash (rather belongs to the main block) */
+	QuoteCmdLineBackslash(dsPtr, start, *bspos, NULL);
+    }
+    TclDStringAppendLiteral(dsPtr, "\""); /* closing escape quote-char */
+    return special;
+}
+
 static void
 BuildCommandLine(
     const char *executable,	/* Full path of executable (including
@@ -1434,10 +1514,22 @@ BuildCommandLine(
     Tcl_DString *linePtr)	/* Initialized Tcl_DString that receives the
 				 * command line (TCHAR). */
 {
-    const char *arg, *start, *special;
-    int quote, i;
+    const char *arg, *start, *special, *bspos;
+    int quote = 0, i;
     Tcl_DString ds;
 
+    /* characters to enclose in quotes if unpaired quote flag set */
+    const static char *specMetaChars = "&|^<>!()%";
+    /* characters to enclose in quotes in any case (regardless unpaired-flag) */
+    const static char *specMetaChars2 = "%";
+
+    /* Quote flags:
+     *   CL_ESCAPE   - escape argument;
+     *   CL_QUOTE    - enclose in quotes;
+     *   CL_UNPAIRED - previous arguments chain contains unpaired quote-char;
+     */
+    enum {CL_ESCAPE = 1, CL_QUOTE = 2, CL_UNPAIRED = 4};
+
     Tcl_DStringInit(&ds);
 
     /*
@@ -1457,61 +1549,98 @@ BuildCommandLine(
 	    TclDStringAppendLiteral(&ds, " ");
 	}
 
-	quote = 0;
+	quote &= ~(CL_ESCAPE|CL_QUOTE); /* reset escape flags */
+	bspos = NULL;
 	if (arg[0] == '\0') {
-	    quote = 1;
+	    quote = CL_QUOTE;
 	} else {
 	    int count;
-	    Tcl_UniChar ch = 0;
-
-	    for (start = arg; *start != '\0'; start += count) {
-		count = TclUtfToUniChar(start, &ch);
-		if (Tcl_UniCharIsSpace(ch)) {	/* INTL: ISO space. */
-		    quote = 1;
+	    Tcl_UniChar ch;
+	    for (start = arg;
+		*start != '\0' &&
+		    (quote & (CL_ESCAPE|CL_QUOTE)) != (CL_ESCAPE|CL_QUOTE);
+		start += count
+	    ) {
+		count = Tcl_UtfToUniChar(start, &ch);
+		if (count > 1) continue;
+		if (Tcl_UniCharIsSpace(ch)) {
+		    quote |= CL_QUOTE; /* quote only */
+		    if (bspos) { /* if backslash found - escape & quote */
+			quote |= CL_ESCAPE;
+			break;
+		    }
+		    continue;
+		}
+		if (strchr(specMetaChars, *start)) {
+		    quote |= (CL_ESCAPE|CL_QUOTE); /*escape & quote */
 		    break;
 		}
+		if (*start == '"') {
+		    quote |= CL_ESCAPE; /* escape only */
+		    continue;
+		}
+		if (*start == '\\') {
+		    bspos = start;
+		    if (quote & CL_QUOTE) { /* if quote - escape & quote */
+			quote |= CL_ESCAPE;
+			break;
+		    }
+		    continue;
+		}
 	    }
+	    bspos = NULL;
 	}
-	if (quote) {
+	if (quote & CL_QUOTE) {
+	    /* start of argument (main opening quote-char) */
 	    TclDStringAppendLiteral(&ds, "\"");
 	}
-	start = arg;
-	for (special = arg; ; ) {
-	    if ((*special == '\\') && (special[1] == '\\' ||
-		    special[1] == '"' || (quote && special[1] == '\0'))) {
-		Tcl_DStringAppend(&ds, start, (int) (special - start));
-		start = special;
-		while (1) {
-		    special++;
-		    if (*special == '"' || (quote && *special == '\0')) {
-			/*
-			 * N backslashes followed a quote -> insert N * 2 + 1
-			 * backslashes then a quote.
-			 */
-
-			Tcl_DStringAppend(&ds, start,
-				(int) (special - start));
-			break;
-		    }
-		    if (*special != '\\') {
-			break;
-		    }
+	if (!(quote & CL_ESCAPE)) {
+	    /* nothing to escape */
+	    Tcl_DStringAppend(&ds, arg, -1);
+	} else {
+	    start = arg;
+	    for (special = arg; *special != '\0'; ) {
+		/* position of `\` is important before quote or at end (equal `\"` because quoted) */
+		if (*special == '\\') {
+		    /* bypass backslashes (and mark first backslash possition)*/
+		    special = BuildCmdLineBypassBS(special, &bspos);
+		    if (*special == '\0') break;
 		}
-		Tcl_DStringAppend(&ds, start, (int) (special - start));
-		start = special;
-	    }
-	    if (*special == '"') {
-		Tcl_DStringAppend(&ds, start, (int) (special - start));
-		TclDStringAppendLiteral(&ds, "\\\"");
-		start = special + 1;
-	    }
-	    if (*special == '\0') {
-		break;
+		/* ["] */
+		if (*special == '"') {
+		    quote ^= CL_UNPAIRED; /* invert unpaired flag - observe unpaired quotes */
+		    /* add part before (and escape backslashes before quote) */
+		    QuoteCmdLineBackslash(&ds, start, special, bspos);
+		    bspos = NULL;
+		    /* escape using backslash */
+		    TclDStringAppendLiteral(&ds, "\\\"");
+		    start = ++special;
+		    continue;
+		}
+		/* unpaired (escaped) quote causes special handling on meta-chars */
+		if ((quote & CL_UNPAIRED) && strchr(specMetaChars, *special)) {
+		    special = QuoteCmdLinePart(&ds, start, special, specMetaChars, &bspos);
+		    /* start to current or first backslash */
+		    start = !bspos ? special : bspos;
+		    continue;
+		}
+		/* special case for % - should be enclosed always (paired also) */
+		if (strchr(specMetaChars2, *special)) {
+		    special = QuoteCmdLinePart(&ds, start, special, specMetaChars2, &bspos);
+		    /* start to current or first backslash */
+		    start = !bspos ? special : bspos;
+		    continue;
+		}
+		/* other not special (and not meta) character */
+		bspos = NULL; /* reset last backslash possition (not interesting) */
+		special++;
 	    }
-	    special++;
+	    /* rest of argument (and escape backslashes before closing main quote) */
+	    QuoteCmdLineBackslash(&ds, start, special,
+	    	(quote & CL_QUOTE) ? bspos : NULL);
 	}
-	Tcl_DStringAppend(&ds, start, (int) (special - start));
-	if (quote) {
+	if (quote & CL_QUOTE) {
+	    /* end of argument (main closing quote-char) */
 	    TclDStringAppendLiteral(&ds, "\"");
 	}
     }
@@ -2347,7 +2476,7 @@ Tcl_WaitPid(
     prevPtrPtr = &procList;
     for (infoPtr = procList; infoPtr != NULL;
 	    prevPtrPtr = &infoPtr->nextPtr, infoPtr = infoPtr->nextPtr) {
-	 if (infoPtr->dwProcessId == (DWORD) pid) {
+	 if (infoPtr->dwProcessId == (DWORD) (size_t) pid) {
 	    *prevPtrPtr = infoPtr->nextPtr;
 	    break;
 	}
diff --git a/win/tclWinReg.c b/win/tclWinReg.c
index de48b9b..f3d7a07 100644
--- a/win/tclWinReg.c
+++ b/win/tclWinReg.c
@@ -22,13 +22,6 @@
 #endif
 #include <stdlib.h>
 
-#ifndef UNICODE
-#   undef Tcl_WinTCharToUtf
-#   define Tcl_WinTCharToUtf(a,b,c)	Tcl_ExternalToUtfDString(NULL,a,b,c)
-#   undef Tcl_WinUtfToTChar
-#   define Tcl_WinUtfToTChar(a,b,c)	Tcl_UtfToExternalDString(NULL,a,b,c)
-#endif /* !UNICODE */
-
 /*
  * Ensure that we can say which registry is being accessed.
  */
@@ -163,7 +156,7 @@ Registry_Init(
     cmd = Tcl_CreateObjCommand(interp, "registry", RegistryObjCmd,
 	    interp, DeleteCmd);
     Tcl_SetAssocData(interp, REGISTRY_ASSOC_KEY, NULL, cmd);
-    return Tcl_PkgProvide(interp, "registry", "1.3.2");
+    return Tcl_PkgProvide(interp, "registry", "1.3.3");
 }
 
 /*
@@ -414,12 +407,12 @@ DeleteKey(
      */
 
     keyName = Tcl_GetString(keyNameObj);
-    buffer = ckalloc(keyNameObj->length + 1);
+    buffer = Tcl_Alloc(keyNameObj->length + 1);
     strcpy(buffer, keyName);
 
     if (ParseKeyName(interp, buffer, &hostName, &rootKey,
 	    &keyName) != TCL_OK) {
-	ckfree(buffer);
+	Tcl_Free(buffer);
 	return TCL_ERROR;
     }
 
@@ -427,7 +420,7 @@ DeleteKey(
 	Tcl_SetObjResult(interp,
 		Tcl_NewStringObj("bad key: cannot delete root keys", -1));
 	Tcl_SetErrorCode(interp, "WIN_REG", "DEL_ROOT_KEY", NULL);
-	ckfree(buffer);
+	Tcl_Free(buffer);
 	return TCL_ERROR;
     }
 
@@ -442,7 +435,7 @@ DeleteKey(
     mode |= KEY_ENUMERATE_SUB_KEYS | DELETE;
     result = OpenSubKey(hostName, rootKey, keyName, mode, 0, &subkey);
     if (result != ERROR_SUCCESS) {
-	ckfree(buffer);
+	Tcl_Free(buffer);
 	if (result == ERROR_FILE_NOT_FOUND) {
 	    return TCL_OK;
 	}
@@ -470,7 +463,7 @@ DeleteKey(
     }
 
     RegCloseKey(subkey);
-    ckfree(buffer);
+    Tcl_Free(buffer);
     return result;
 }
 
@@ -603,8 +596,7 @@ GetKeyNames(
 	    }
 	    break;
 	}
-	Tcl_WinTCharToUtf(buffer, bufSize * sizeof(TCHAR), &ds);
-	name = Tcl_DStringValue(&ds);
+	name = Tcl_WinTCharToUtf(buffer, bufSize * sizeof(TCHAR), &ds);
 	if (pattern && !Tcl_StringMatch(name, pattern)) {
 	    Tcl_DStringFree(&ds);
 	    continue;
@@ -950,7 +942,7 @@ OpenKey(
 
     keyName = Tcl_GetString(keyNameObj);
     length = keyNameObj->length;
-    buffer = ckalloc(length + 1);
+    buffer = Tcl_Alloc(length + 1);
     strcpy(buffer, keyName);
 
     result = ParseKeyName(interp, buffer, &hostName, &rootKey, &keyName);
@@ -966,7 +958,7 @@ OpenKey(
 	}
     }
 
-    ckfree(buffer);
+    Tcl_Free(buffer);
     return result;
 }
 
@@ -1019,7 +1011,9 @@ OpenSubKey(
      * this key must be closed by the caller.
      */
 
-    keyName = (char *) Tcl_WinUtfToTChar(keyName, -1, &buf);
+    if (keyName) {
+	keyName = (char *) Tcl_WinUtfToTChar(keyName, -1, &buf);
+    }
     if (flags & REG_CREATE) {
 	DWORD create;
 
@@ -1037,7 +1031,9 @@ OpenSubKey(
 	result = RegOpenKeyEx(rootKey, (TCHAR *)keyName, 0, mode,
 		keyPtr);
     }
-    Tcl_DStringFree(&buf);
+    if (keyName) {
+	Tcl_DStringFree(&buf);
+    }
 
     /*
      * Be sure to close the root key since we are done with it now.
diff --git a/win/tclWinSock.c b/win/tclWinSock.c
index 1c004838..f872163 100644
--- a/win/tclWinSock.c
+++ b/win/tclWinSock.c
@@ -738,8 +738,8 @@ WaitForConnect(
 	}
 
 	/*
-	 * A non blocking socket waiting for an asyncronous connect returns
-	 * directly the error EWOULDBLOCK.
+	 * A non blocking socket waiting for an asynchronous connect
+	 * returns directly the error EWOULDBLOCK
 	 */
 
 	if (GOT_BITS(statePtr->flags, TCP_NONBLOCKING)) {
@@ -1690,9 +1690,9 @@ TcpGetHandleProc(
  *
  *	This might be called in 3 circumstances:
  *	-   By a regular socket command
- *	-   By the event handler to continue an asynchroneous connect
+ *	-   By the event handler to continue an asynchronously connect
  *	-   By a blocking socket function (gets/puts) to terminate the
- *	    connect synchroneously
+ *	    connect synchronously
  *
  * Results:
  *      TCL_OK, if the socket was successfully connected or an asynchronous
@@ -1704,7 +1704,7 @@ TcpGetHandleProc(
  *
  * Remarks:
  *	A single host name may resolve to more than one IP address, e.g. for
- *	an IPv4/IPv6 dual stack host. For handling asyncronously connecting
+ *	an IPv4/IPv6 dual stack host. For handling asynchronously connecting
  *	sockets in the background for such hosts, this function can act as a
  *	coroutine. On the first call, it sets up the control variables for the
  *	two nested loops over the local and remote addresses. Once the first
@@ -1712,7 +1712,7 @@ TcpGetHandleProc(
  *	event handler for that socket, and returns. When the callback occurs,
  *	control is transferred to the "reenter" label, right after the initial
  *	return and the loops resume as if they had never been interrupted.
- *	For syncronously connecting sockets, the loops work the usual way.
+ *	For synchronously connecting sockets, the loops work the usual way.
  *
  *----------------------------------------------------------------------
  */
@@ -1816,7 +1816,7 @@ TcpConnect(
 	    }
 
 	    /*
-	     * For asyncroneous connect set the socket in nonblocking mode
+	     * For asynchroneous connect set the socket in nonblocking mode
 	     * and activate connect notification
 	     */
 
@@ -1930,8 +1930,8 @@ TcpConnect(
 	    }
 
 	    /*
-	     * Clear the tsd socket list pointer if we did not wait for the
-	     * FD_CONNECT asynchronously.
+	     * Clear the tsd socket list pointer if we did not wait for
+	     * the FD_CONNECT asynchroneously
 	     */
 
 	    tsdPtr->pendingTcpState = NULL;
@@ -2014,7 +2014,7 @@ TcpConnect(
 	}
 
 	/*
-	 * Error message on syncroneous connect
+	 * Error message on synchroneous connect
 	 */
 
 	if (interp != NULL) {
diff --git a/win/tclWinThrd.c b/win/tclWinThrd.c
index 5ea407e..d169ebb 100644
--- a/win/tclWinThrd.c
+++ b/win/tclWinThrd.c
@@ -241,7 +241,7 @@ TclpThreadCreate(
 
 	/*
 	 * The only purpose of this is to decrement the reference count so the
-	 * OS resources will be reaquired when the thread closes.
+	 * OS resources will be reacquired when the thread closes.
 	 */
 
 	CloseHandle(tHandle);
@@ -399,7 +399,7 @@ TclpInitUnlock(void)
  *	mutexes, condition variables, and thread local storage keys.
  *
  *	This lock must be different than the initLock because the initLock is
- *	held during creation of syncronization objects.
+ *	held during creation of synchronization objects.
  *
  * Results:
  *	None.
@@ -549,7 +549,7 @@ static void		FinalizeConditionEvent(ClientData data);
  *	None.
  *
  * Side effects:
- *	May block the current thread. The mutex is aquired when this returns.
+ *	May block the current thread. The mutex is acquired when this returns.
  *
  *----------------------------------------------------------------------
  */
@@ -649,7 +649,7 @@ TclpFinalizeMutex(
  *	None.
  *
  * Side effects:
- *	May block the current thread. The mutex is aquired when this returns.
+ *	May block the current thread. The mutex is acquired when this returns.
  *	Will allocate memory for a HANDLE and initialize this the first time
  *	this Tcl_Condition is used.
  *