2013-04-25  Robert Dewar  <dewar@adacore.com>

	* sem_util.adb: Minor reformatting.

2013-04-25  Ed Schonberg  <schonberg@adacore.com>

	* exp_aggr.adb (Expand_N_Aggregate): Use special circuitry to
	fold strings with a single others choice only if there are no
	expressions in the aggregate.

2013-04-25  Arnaud Charlet  <charlet@adacore.com>

	* gnat_ugn.texi: Update doc on Ada 2012 default mode.

From-SVN: r198293