Improve time zone documentation

[gnu-emacs] / etc / NEWS

diff --git a/etc/NEWS b/etc/NEWS
index 7de746e7556d04cfc8e911b7d05d57847719a3bf..bae42af6d6d438f586f841545c9de9bf836a8b36 100644 (file)
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -987,6 +987,17 @@ back-end for the buffer's file, or remove it from version control.
 the color range from 'vc-annotate-color-map' is applied to the
 background or to the foreground.
 
+---
+*** New options for customizing encoding of Git commit log messages.
+The new options `vc-git-commits-coding-system' and
+`vc-git-log-output-coding-system' allow to customize the encoding of
+the log messages sent to Git when committing, and the decoding of the
+log messages read from Git history commands.  Both default to UTF-8;
+if you customize them, make sure they are consistent with the Git
+config variables i18n.commitEncoding and i18n.logOutputEncoding.
+(`vc-git-commits-coding-system' existed previously, but was a
+variable, not a user option.)
+
 +++
 *** 'compare-windows' now compares text with the most recently selected window
 instead of the next window.  If you want the previous behavior of
@@ -1398,8 +1409,10 @@ symbol-function was changed not to signal 'void-function' any more.
 *** As a consequence, the second arg of 'indirect-function' is now obsolete.
 
 +++
-** Although comint, term, and compile still set the EMACS variable,
-this is now considered deprecated and will be removed in a future release.
+** M-x shell and M-x compile no longer set the EMACS environment variable.
+This avoids clashing when other programs use the variable for other purposes.
+Although M-x term still sets EMACS for compatibility with Bash 4.3 and earlier,
+this is deprecated and will be phased out when Bash 4.4 or later takes over.
 Use the INSIDE_EMACS environment variable instead.
 
 +++
@@ -1765,15 +1778,15 @@ quotation marks.
 *** Time conversion functions now accept an optional ZONE argument
 that specifies the time zone rules for conversion.  ZONE is omitted or
 nil for Emacs local time, t for Universal Time, 'wall' for system wall
-clock time, or a string as in 'set-time-zone-rule' for a time zone
-rule.  The affected functions are 'current-time-string',
-'current-time-zone', 'decode-time', and 'format-time-string'.  The
-function 'encode-time', which already accepted a simple time zone rule
-argument, has been extended to accept all the new forms.
+clock time, or a string as in the TZ environment variable.  The
+affected functions are 'current-time-string', 'current-time-zone',
+'decode-time', and 'format-time-string'.  The function 'encode-time',
+which already accepted a simple time zone rule argument, has been
+extended to accept all the new forms.
 
 *** Incompatible change in the third argument of 'format-time-string'.
-Previously, any non-nil argument was interpreted as a UTC time zone.
-This is no longer true; packages that want UTC time zone should pass t
+Previously, any non-nil argument was interpreted as specifying Universal Time.
+This is no longer true; packages that want Universal Time should pass t
 as the third argument.
 
 *** Time-related functions now consistently accept numbers