* js/attach:
format-patch --attach: not folding some long headers.
format-patch: add --inline option and make --attach a true attachment
SYNOPSIS
--------
[verse]
- 'git-format-patch' [<common diff options>] [-n | -k] [-o <dir> | --stdout]
- [--attach] [--thread] [-s | --signoff] [--start-number <n>]
+ 'git-format-patch' [-n | -k] [-o <dir> | --stdout] [--thread]
+ [--attach[=<boundary>] | --inline[=<boundary>]]
- [-s | --signoff] [--diff-options] [--start-number <n>]
++ [-s | --signoff] [<common diff options>] [--start-number <n>]
[--in-reply-to=Message-Id] [--suffix=.<sfx>]
[--ignore-if-in-upstream]
<since>[..<until>]