mention new shell execution behavior in release notes
This is already in the "bells and whistles" section, but it also has a
slight chance of breakage, so let's also mention it in the "changed
behaviors" section.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/Documentation/RelNotes-1.7.0.txt b/Documentation/RelNotes-1.7.0.txt
index 997b026..f33e85d 100644
--- a/Documentation/RelNotes-1.7.0.txt
+++ b/Documentation/RelNotes-1.7.0.txt
@@ -38,6 +38,13 @@
whitespaces is reported with zero exit status when run with
--exit-code, and there is no "diff --git" header for such a change.
+ * external diff and textconv helpers are now executed using the shell.
+ This makes them consistent with other programs executed by git, and
+ allows you to pass command-line parameters to the helpers. Any helper
+ paths containing spaces or other metacharacters now need to be
+ shell-quoted. The affected helpers are GIT_EXTERNAL_DIFF in the
+ environment, and diff.*.command and diff.*.textconv in the config
+ file.
Updates since v1.6.6
--------------------
