Documentation: publicize KMail hints for sending patches inline

These hints are in git's private SubmittingPatches document but a
wider audience might be interested.  Move them to the "git
format-patch" manpage.

I'm not sure what gotchas these hints are meant to work around.
They might be completely false.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

Documentation/SubmittingPatches

@@ -413,8 +413,8 @@ that or Gentoo did it.) So you need to set the
 it.
 
 
-Thunderbird
+Thunderbird, KMail
------------
+------------------
 
 See the MUA-SPECIFIC HINTS section of git-format-patch(1).
 
@@ -433,24 +433,6 @@ message in raw form before using '|' to run the pipe can work
 this problem around.
 
 
-KMail
------
-
-This should help you to submit patches inline using KMail.
-
-1) Prepare the patch as a text file.
-
-2) Click on New Mail.
-
-3) Go under "Options" in the Composer window and be sure that
-"Word wrap" is not set.
-
-4) Use Message -> Insert file... and insert the patch.
-
-5) Back in the compose window: add whatever other text you wish to the
-message, complete the addressing and subject fields, and press send.
-
-
 Gmail
 -----
 

Documentation/git-format-patch.txt

@@ -415,6 +415,22 @@ There is a script in contrib/thunderbird-patch-inline which can help
 you include patches with Thunderbird in an easy way. To use it, do the
 steps above and then use the script as the external editor.
 
+KMail
+~~~~~
+This should help you to submit patches inline using KMail.
+
+1. Prepare the patch as a text file.
+
+2. Click on New Mail.
+
+3. Go under "Options" in the Composer window and be sure that
+   "Word wrap" is not set.
+
+4. Use Message -> Insert file... and insert the patch.
+
+5. Back in the compose window: add whatever other text you wish to the
+   message, complete the addressing and subject fields, and press send.
+
 
 EXAMPLES
 --------