No subject

the size of the last attached buffer.  We may need to send an event
back to a client if the compositor rejects the proposed buffer attach
so the client can deal with that gracefully.  However, the client
knows the size the server wants it to be, and if it's not complying
with that, the server may have to "make up pixels" or deal with it
some other way, but there's nothing more we can tell the client.

Kristian