2013-04-12  Robert Dewar  <dewar@adacore.com>

	* opt.ads (Style_Check_Main): New switch.
	* sem.adb (Semantics): Set Style_Check flag properly for new
	unit to be analyzed.
	* sem_ch10.adb (Analyze_With_Clause): Don't reset Style_Check,
	the proper setting of this flag is now part of the Semantics
	procedure.
	* switch-c.adb (Scan_Front_End_Switches): Set Style_Check_Main
	for -gnatg and -gnaty

2013-04-12  Doug Rupp  <rupp@adacore.com>

	* s-crtl.ads (fopen, freopen): Add vms_form parameter
	* i-cstrea.ads (fopen, freopen): Likewise.
	* adaint.h (__gnat_fopen, __gnat_freopen): Likewise.
	* adaint.c (__gnat_fopen, __gnat_freopen): Likewise.
	[VMS]: Split out RMS keys and call CRTL function appropriately.
	* s-fileio.adb (Form_VMS_RMS_Keys, Form_RMS_Context_Key): New
	subprograms.
	(Open, Reset): Call Form_VMS_RMS_Keys. Call fopen,freopen with
	vms_form
	* gnat_rm.texi: Document implemented RMS keys.

From-SVN: r197902