Autogenerated HTML docs for v1.6.4-rc2 
diff --git a/git-format-patch.txt b/git-format-patch.txt index 6f1fc80..687e667 100644 --- a/git-format-patch.txt +++ b/git-format-patch.txt 
@@ -10,7 +10,7 @@  --------  [verse]  'git format-patch' [-k] [(-o|--output-directory) <dir> | --stdout] - [--thread[=<style>]] + [--no-thread | --thread[=<style>]]  [(--attach|--inline)[=<boundary>] | --no-attach]  [-s | --signoff]  [-n | --numbered | -N | --no-numbered] @@ -124,17 +124,25 @@ 	second part, with "Content-Disposition: inline".    --thread[=<style>]:: -	Add In-Reply-To and References headers to make the second and -	subsequent mails appear as replies to the first. Also generates -	the Message-Id header to reference. +--no-thread:: +	Controls addition of In-Reply-To and References headers to +	make the second and subsequent mails appear as replies to the +	first. Also controls generation of the Message-Id header to +	reference.  +  The optional <style> argument can be either `shallow` or `deep`.  'shallow' threading makes every mail a reply to the head of the  series, where the head is chosen from the cover letter, the  `\--in-reply-to`, and the first patch mail, in this order. 'deep' -threading makes every mail a reply to the previous one. If not -specified, defaults to the 'format.thread' configuration, or `shallow` -if that is not set. +threading makes every mail a reply to the previous one. ++ +The default is --no-thread, unless the 'format.thread' configuration +is set. If --thread is specified without a style, it defaults to the +style specified by 'format.thread' if any, or else `shallow`. ++ +Beware that the default for 'git send-email' is to thread emails +itself. If you want 'git format-patch' to take care of hreading, you +will want to ensure that threading is disabled for 'git send-email'.    --in-reply-to=Message-Id:: 	Make the first mail (or all the mails with --no-thread) appear as a