Add tests for --quiet option of diff programs

diff --git a/Documentation/git.txt b/Documentation/git.txt
index 0577ad0a8cfb9d7150fb874f15e155b56fe58ad8..e875e8318d24fa046c7cddfc3e583b4c242d9302 100644 (file)
--- a/Documentation/git.txt
+++ b/Documentation/git.txt
@@ -241,6 +241,12 @@ Identifier Terminology
        operate on a <tree> object but automatically dereferences
        <commit> and <tag> objects that point at a <tree>.
 
+<commit-ish>::
+       Indicates a commit or tag object name.  A
+       command that takes a <commit-ish> argument ultimately wants to
+       operate on a <commit> object but automatically dereferences
+       <tag> objects that point at a <commit>.
+
 <type>::
        Indicates that an object type is required.
        Currently one of: `blob`, `tree`, `commit`, or `tag`.