Re: Doc: more comprehensive documentation of layout block (2560) (issue 6354085)

[graham]

I'm content to take your word for the changes, but our general custom
these days is to upload a new draft once edits are made.  I mention this
mainly so that you can check how git-cl handles this; it should be easy
but it's been a while since I've done it myself.

http://codereview.appspot.com/6354085/