+-o|--output-directory <dir>::
+ Use <dir> to store the resulting files, instead of the
+ current working directory.
+
+-n|--numbered::
+ Name output in '[PATCH n/m]' format.
+
+-k|--keep-subject::
+ Do not strip/add '[PATCH]' from the first line of the
+ commit log message.
+
+-a|--author, -d|--date::
+ Output From: and Date: headers for commits made by
+ yourself as well. Usually these are output only for
+ commits made by people other than yourself.
+
+-s|--signoff::
+ Add `Signed-off-by:` line to the commit message, using
+ the committer identity of yourself.
+
+-c|--check::
+ Display suspicious lines in the patch. The definition
+ of 'suspicious lines' is currently the lines that has
+ trailing whitespaces, and the lines whose indentation
+ has a SP character immediately followed by a TAB
+ character.
+
+-m|--mbox::
+ Format the output files for closer to mbox format by
+ adding a phony Unix "From " line, so they can be
+ concatenated together and fed to `git-applymbox`.
+ Implies --author and --date.