2016-04-21  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_prag.adb (Match_Constituent): Treat a constant as a legal
	constituent even if it is not to prevent spurious errors.

2016-04-21  Gary Dismukes  <dismukes@adacore.com>

	* sem_ch4.adb: Minor typo fixes and reformatting.

2016-04-21  Dmitriy Anisimkov  <anisimko@adacore.com>

	* g-calend.ads (No_Time): The same value in any timezone.
	* g-socket.adb (Raise_Host_Error): Remove ending
	dot from original error message before append colon delimited
	host name.

From-SVN: r235331