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Sam Vilain  committed 47afed5

SubmittingPatches: itemize and reflect upon well written changes

The SubmittingPatches file was trimmed down from a somewhat
overwhelming set of requirements from the Linux Kernel equivalent;
however perhaps a little of it can be returned without making the
text too long.

Signed-off-by: Sam Vilain <sam@vilain.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

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File Documentation/SubmittingPatches

 	- check for unnecessary whitespace with "git diff --check"
 	  before committing
 	- do not check in commented out code or unneeded files
-	- provide a meaningful commit message
 	- the first line of the commit message should be a short
 	  description and should skip the full stop
+	- the body should provide a meaningful commit message, which:
+		- uses the imperative, present tense: "change",
+		  not "changed" or "changes".
+		- includes motivation for the change, and contrasts
+		  its implementation with previous behaviour
 	- if you want your work included in git.git, add a
 	  "Signed-off-by: Your Name <you@example.com>" line to the
 	  commit message (or just use the option "-s" when
 
 If your description starts to get too long, that's a sign that you
 probably need to split up your commit to finer grained pieces.
+That being said, patches which plainly describe the things that
+help reviewers check the patch, and future maintainers understand
+the code, are the most beautiful patches.  Descriptions that summarise
+the point in the subject well, and describe the motivation for the
+change, the approach taken by the change, and if relevant how this
+differs substantially from the prior version, can be found on Usenet
+archives back into the late 80's.  Consider it like good Netiquette,
+but for code.
 
 Oh, another thing.  I am picky about whitespaces.  Make sure your
 changes do not trigger errors with the sample pre-commit hook shipped