2013-10-14  Robert Dewar  <dewar@adacore.com>

	* sem_res.adb: Minor fix to error message text.
	* errout.ads, erroutc.ads: Minor reformatting.
	* s-ststop.ads, s-stratt.ads: Clean up documentation of block IO
	mode for streams.
	* s-stratt-xdr.adb: Minor comment update.

From-SVN: r203559