Re: [PATCH 2/4] Move the --decorate option from builtin-log.c to revision.c.

Johannes Schindelin [off-list ref] writes:

---decorate::
-	Print out the ref names of any commits that are shown.
-
...
+
+--decorate::
+	When a commit is shown, and it matches a ref, print that ref name
+	in brackets after the commit name.

The character-pair ( and ) are usually called parentheses, not
brackets.

Other than that, these two code movements and refactorings feel
a sane thing to do.