Merge from trunk.
authorPaul Eggert <eggert@cs.ucla.edu>
Tue, 14 Jun 2011 00:58:31 +0000 (17:58 -0700)
committerPaul Eggert <eggert@cs.ucla.edu>
Tue, 14 Jun 2011 00:58:31 +0000 (17:58 -0700)

Trivial merge