git grep: Add "-z/--null" option as in GNU's grep.

diff --git a/Documentation/git-for-each-ref.txt b/Documentation/git-for-each-ref.txt
index eae6c0e7bcad5708442d10a7bc73eac3ec90bcbd..5061d3e4e7b8a888093c5e8c7b4cb03509391756 100644 (file)
--- a/Documentation/git-for-each-ref.txt
+++ b/Documentation/git-for-each-ref.txt
@@ -16,7 +16,7 @@ DESCRIPTION
 
 Iterate over all refs that match `<pattern>` and show them
 according to the given `<format>`, after sorting them according
-to the given set of `<key>`.  If `<max>` is given, stop after
+to the given set of `<key>`.  If `<count>` is given, stop after
 showing that many refs.  The interpolated values in `<format>`
 can optionally be quoted as string literals in the specified
 host language allowing their direct evaluation in that language.
@@ -74,6 +74,7 @@ For all objects, the following names can be used:
 
 refname::
        The name of the ref (the part after $GIT_DIR/).
+       For a non-ambiguous short name of the ref append `:short`.
 
 objecttype::
        The type of the object (`blob`, `tree`, `commit`, `tag`).