Merge from trunk.
authorPaul Eggert <eggert@cs.ucla.edu>
Sat, 3 Dec 2011 07:27:27 +0000 (23:27 -0800)
committerPaul Eggert <eggert@cs.ucla.edu>
Sat, 3 Dec 2011 07:27:27 +0000 (23:27 -0800)

Trivial merge