[PATCH] Add commit message guidelines to developer policy

[Sean Silva]

I don't think there's consensus about any of this. In particular, it seems like Chandler's feedback in the thread was completely ignored (or not seen). I tend to agree with his points too.


REPOSITORY
  rL LLVM

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Comment at: docs/DeveloperPolicy.rst:299
@@ +298,3 @@
+* `Attribution of Changes`_ should be in a separate line, after the end of
+  the body, as simple as "Patch by John Doe.". This is how we officially
+  handle attribution, and there are automated processes that use that, so
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Please use an exclamation mark like "Patch by John Doe!". For whatever reason this seems to be the way it is usually done. I also kind of like it because I think it expresses our excitement about committing the patch for a new contributor (new contributors are vital for community growth).

http://reviews.llvm.org/D8197

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