2014-02-25  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi: First set of documentation additions for
	predefined RM units.
	* checks.adb: Minor reformatting.
	* sem_elab.adb (Check_Task_Activation): Minor fix to error
	message.
	* sem_util.adb: Minor reformatting.

From-SVN: r208141