Sync with maint

* maint:
  completion: zsh: don't override suffix on _detault
  Documentation/git-commit: Typo under --edit

Author: gitster

Documentation/git-commit.txt

@@ -197,8 +197,8 @@ variable (see linkgit:git-config[1]).
 -e::
 --edit::
 	The message taken from file with `-F`, command line with
-	`-m`, and from file with `-C` are usually used as the
-	commit log message unmodified.  This option lets you
+	`-m`, and from commit object with `-C` are usually used as
+	the commit log message unmodified. This option lets you
 	further edit the message taken from these sources.
 
 --no-edit::

contrib/completion/git-completion.zsh

@@ -198,7 +198,7 @@ _git ()
 		emulate ksh -c __${service}_main
 	fi
 
-	let _ret && _default -S '' && _ret=0
+	let _ret && _default && _ret=0
 	return _ret
 }