.SH "SYNOPSIS"
.nf
-\fIgit\-format\-patch\fR [\-n | \-k] [\-o <dir> | \-\-stdout] [\-\-attach]
+\fIgit\-format\-patch\fR [\-n | \-k] [\-o <dir> | \-\-stdout] [\-\-attach] [\-\-thread]
[\-s | \-\-signoff] [\-\-diff\-options] [\-\-start\-number <n>]
+ [\-\-in\-reply\-to=Message\-Id]
<since>[\&.\&.<until>]
.fi
If \-n is specified, instead of "[PATCH] Subject", the first line is formatted as "[PATCH n/m] Subject"\&.
+
+If given \-\-thread, git\-format\-patch will generate In\-Reply\-To and References headers to make the second and subsequent patch mails appear as replies to the first mail; this also generates a Message\-Id header to reference\&.
+
.SH "OPTIONS"
.TP
\-\-attach
Create attachments instead of inlining patches\&.
+.TP
+\-\-thread
+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\&.
+
+.TP
+\-\-in\-reply\-to=Message\-Id
+Make the first mail (or all the mails with \-\-no\-thread) appear as a reply to the given Message\-Id, which avoids breaking threads to provide a new patch series\&.
+
.SH "CONFIGURATION"