Merge from trunk.
authorPaul Eggert <eggert@cs.ucla.edu>
Wed, 6 Jul 2011 20:13:02 +0000 (13:13 -0700)
committerPaul Eggert <eggert@cs.ucla.edu>
Wed, 6 Jul 2011 20:13:02 +0000 (13:13 -0700)

Trivial merge