2012-04-26  Robert Dewar  <dewar@adacore.com>

	* einfo.adb, einfo.ads, sem_res.adb, sem_ch4.adb,
	sem_eval.adb: Minor reformatting.

2012-04-26  Thomas Quinot  <quinot@adacore.com>

	* freeze.adb: Minor change in error wording.

2012-04-26  Ed Schonberg  <schonberg@adacore.com>

	* gnat_ugn.texi: Documentation on dimensional analysis.

2012-04-26  Hristian Kirtchev  <kirtchev@adacore.com>

	* einfo.adb, einfo.ads: Remove synthesized attribute
	Proper_First_Index along with its associations in various nodes.
	(Proper_First_Index): Removed.
	* sem_ch4.adb (Analyze_Slice): Alphabetize constants. Add new
	local variable Index_Type. The index type of a string literal
	subtype is that of the stored low bound.
	* sem_eval (Get_Static_Length): Remove the use of Proper_First_Index.
	* sem_res.adb (Resolve_Slice): Alphabetize constants. Add
	new local variable Index_Type. The index type of a
	string literal subtype is that of the stored low bound.
	(Set_String_Literal_Subtype): Code reformatting.

From-SVN: r186868