tag.c: implement '--format' option

diff --git a/Documentation/git-rev-parse.txt b/Documentation/git-rev-parse.txt
index c483100e75886e7326cecabcd66f1449e640365a..b6c6326cdc7bb42993cf16fcae0d492944720e51 100644 (file)
--- a/Documentation/git-rev-parse.txt
+++ b/Documentation/git-rev-parse.txt
@@ -311,8 +311,8 @@ Each line of options has this format:
 `<opt-spec>`::
        its format is the short option character, then the long option name
        separated by a comma. Both parts are not required, though at least one
-       is necessary. `h,help`, `dry-run` and `f` are all three correct
-       `<opt-spec>`.
+       is necessary. May not contain any of the `<flags>` characters.
+       `h,help`, `dry-run` and `f` are examples of correct `<opt-spec>`.
 
 `<flags>`::
        `<flags>` are of `*`, `=`, `?` or `!`.