builtin/commit.c: extract ignore_non_trailer() helper function

diff --git a/Documentation/git-shortlog.txt b/Documentation/git-shortlog.txt
index c308e91537a02817560d3108be5517d1806b0c9e..31af7f27360d277ccdc3e5bd59b4788c83934b8e 100644 (file)
--- a/Documentation/git-shortlog.txt
+++ b/Documentation/git-shortlog.txt
@@ -8,8 +8,8 @@ git-shortlog - Summarize 'git log' output
 SYNOPSIS
 --------
 [verse]
-git log --pretty=short | 'git shortlog' [-h] [-n] [-s] [-e] [-w]
-'git shortlog' [-n|--numbered] [-s|--summary] [-e|--email] [-w[<width>[,<indent1>[,<indent2>]]]] <commit>...
+git log --pretty=short | 'git shortlog' [<options>]
+'git shortlog' [<options>] [<revision range>] [[\--] <path>...]
 
 DESCRIPTION
 -----------
@@ -26,10 +26,6 @@ reference to the current repository.
 OPTIONS
 -------
 
--h::
---help::
-       Print a short usage message and exit.
-
 -n::
 --numbered::
        Sort output according to the number of commits per author instead
@@ -60,6 +56,21 @@ OPTIONS
 If width is `0` (zero) then indent the lines of the output without wrapping
 them.
 
+<revision range>::
+       Show only commits in the specified revision range.  When no
+       <revision range> is specified, it defaults to `HEAD` (i.e. the
+       whole history leading to the current commit).  `origin..HEAD`
+       specifies all the commits reachable from the current commit
+       (i.e. `HEAD`), but not from `origin`. For a complete list of
+       ways to spell <revision range>, see the "Specifying Ranges"
+       section of linkgit:gitrevisions[7].
+
+[\--] <path>...::
+       Consider only commits that are enough to explain how the files
+       that match the specified paths came to be.
++
+Paths may need to be prefixed with "\-- " to separate them from
+options or the revision range, when confusion arises.
 
 MAPPING AUTHORS
 ---------------