git-p4: Unset P4DIFF environment variable when using 'p4 -du diff'

diff --git a/Documentation/git-symbolic-ref.txt b/Documentation/git-symbolic-ref.txt
index a88f7228605ee35002573123f3dbe63c3e405dc6..a5b40f3e85b19ce855caddd83b69dd4b1cf1d7bb 100644 (file)
--- a/Documentation/git-symbolic-ref.txt
+++ b/Documentation/git-symbolic-ref.txt
@@ -26,7 +26,7 @@ a regular file whose contents is `ref: refs/heads/master`.
 OPTIONS
 -------
 
--q::
+-q, --quiet::
        Do not issue an error message if the <name> is not a
        symbolic ref but a detached HEAD; instead exit with
        non-zero status silently.
@@ -58,4 +58,4 @@ Written by Junio C Hamano <junkio@cox.net>
 
 GIT
 ---
-Part of the gitlink:git[7] suite
+Part of the linkgit:git[7] suite