2013-10-17  Hristian Kirtchev  <kirtchev@adacore.com>

	* aspects.adb, aspects.ads, sem_prag.ads: Remove all entries
	for Refined_Pre from the various tables.
	* par-prag.adb: Remove the entry for Refined_Pre from the list
	of pragmas not needing special processing by the parser.
	* sem_ch13.adb (Analyze_Aspect_Specifications):
	Remove the processing for aspect Refined_Pre.
	(Check_Aspect_At_Freeze_Point): Remove the entry for aspect
	Refined_Pre.
	* sem_prag.adb (Analyze_Pragma): Refined_Pre is no longer a
	valid assertion kind. Remove the analysis of pragma Refined_Pre.
	(Analyze_Refined_Pragma): Update the comment on usage.
	(Find_Related_Subprogram_Or_Body): Update the comment on
	usage. Pragma Refined_Pre is no longer processed by this routine.
	(Is_Valid_Assertion_Kind): Refined_Pre is no longer a valid
	assertion kind.
	* snames.ads-tmpl: Remove predefined name Refined_Pre. Remove
	the pragma id for Refined_Pre.

From-SVN: r203765