Merge branch 'jc/doc-diff-name-only'

The documentation for "git diff --name-only" has been clarified
that it is about showing the names in the post-image tree.

* jc/doc-diff-name-only:
  diff: document what --name-only shows

Author: gitster

Documentation/diff-options.txt

@@ -329,12 +329,13 @@ explained for the configuration variable `core.quotePath` (see
 linkgit:git-config[1]).
 
 --name-only::
-	Show only names of changed files. The file names are often encoded in UTF-8.
+	Show only the name of each changed file in the post-image tree.
+	The file names are often encoded in UTF-8.
 	For more information see the discussion about encoding in the linkgit:git-log[1]
 	manual page.
 
 --name-status::
-	Show only names and status of changed files. See the description
+	Show only the name(s) and status of each changed file. See the description
 	of the `--diff-filter` option on what the status letters mean.
 	Just like `--name-only` the file names are often encoded in UTF-8.