[Bug 3466506]: Document more environment variables.

2 files changed, 28 insertions, 13 deletions

diff --git a/ChangeLog b/ChangeLog
index c3159a7..f4f73f3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,18 +1,22 @@
+2012-01-12  Donal K. Fellows  <dkf@users.sf.net>
+
+	* doc/tclvars.n: [Bug 3466506]: Document more environment variables.
+
 2012-01-09  Jan Nijtmans  <nijtmans@users.sf.net>
 
-	* generic/tclUtf.c:      [Bug 3464428] string is graph \u0120 is wrong
+	* generic/tclUtf.c:      [Bug 3464428]: string is graph \u0120 is wrong
 	* generic/regc_locale.c: Add table for Unicode [:cntrl:] class
 	* tools/uniClass.tcl:    Generate Unicode [:cntrl:] class table
 	* tests/utf.test:
 
 2012-01-08  Kevin B. Kenny  <kennykb@acm.org>
 
-	* library/clock.tcl (ReadZoneinfoFile): Corrected a bug where loading
-	* tests/clock.test (clock-56.4):        zoneinfo would fail if one
-	timezone abbreviation was a proper tail of another, and zic used the
-	same bytes of the file to represent both of them.  Added a test case
-	for the bug, using the same data that caused the observed failure
-	"in the wild." [Bug 3470928]
+	* library/clock.tcl (ReadZoneinfoFile): [Bug 3470928]: Corrected a bug
+	* tests/clock.test (clock-56.4):        where loading zoneinfo would
+	fail if one timezone abbreviation was a proper tail of another, and
+	zic used the same bytes of the file to represent both of them. Added a
+	test case for the bug, using the same data that caused the observed
+	failure "in the wild."
 
 2011-12-30  Venkat Iyer <venkat@comit.com>
 
@@ -26,18 +30,18 @@
 
 2011-12-23  Jan Nijtmans  <nijtmans@users.sf.net>
 
-	* generic/tclUtf.c:     [Bug 3464428] string is graph \u0120 is wrong
+	* generic/tclUtf.c:     [Bug 3464428]: string is graph \u0120 is wrong.
 	* generic/tclUniData.c:
 	* generic/regc_locale.c:
 	* tests/utf.test:
-	* tools/uniParse.tcl:   clean up some unused stuff, and be more robust
+	* tools/uniParse.tcl:   Clean up some unused stuff, and be more robust
 	against changes in UnicodeData.txt syntax
 
 2011-12-13  Andreas Kupries  <andreask@activestate.com>
 
-	* generic/tclCompile.c (TclInitAuxDataTypeTable): Extended to
-	register the DictUpdateInfo structure as an AuxData type. For use
-	by tbcload, tclcompiler.
+	* generic/tclCompile.c (TclInitAuxDataTypeTable): Extended to register
+	the DictUpdateInfo structure as an AuxData type. For use by tbcload,
+	tclcompiler.
 
 2011-12-11  Jan Nijtmans  <nijtmans@users.sf.net>
 
@@ -46,7 +50,7 @@
 
 2011-12-07  Jan Nijtmans  <nijtmans@users.sf.net>
 
-	* tools/uniParse.tcl:    [Bug 3444754] string tolower \u01c5 is wrong
+	* tools/uniParse.tcl:    [Bug 3444754]: string tolower \u01c5 is wrong
 	* generic/tclUniData.c:
 	* tests/utf.test:
 
diff --git a/doc/tclvars.n b/doc/tclvars.n
index 3bd18e8..44a8e11 100644
--- a/doc/tclvars.n
+++ b/doc/tclvars.n
@@ -100,6 +100,17 @@ Tcl format, using
 as the path separator, regardless of platform.
 This variable is only used when initializing the \fBauto_path\fR variable.
 .TP
+\fBenv(TCL_TZ)\fR, \fBenv(TZ)\fR
+.
+These specify the default timezone used for parsing and formatting times and
+dates in the \fBclock\fR command. On many platforms, the TZ environment
+variable is set up by the operating system.
+.TP
+\fBenv(LC_ALL)\fR, \fBenv(LC_MESSAGES)\fR, \fBenv(LANG)\fR
+.
+These environment variables are used by the \fBmsgcat\fR package to
+determine what locale to format messages using.
+.TP
 \fBenv(TCL_INTERP_DEBUG_FRAME)\fR
 .
 If existing, it has the same effect as running \fBinterp debug\fR