2007-04-06  Ed Schonberg  <schonberg@adacore.com>
	    Bob Duff  <duff@adacore.com>

	* atree.h, atree.ads, atree.adb (Copy_Node_With_Replacement): When
	copying a parameter list in a call, set properly the First_Named_Formal
	and Next_Named_Formal fields in the new list and in the enclosing call.
	(Watch_Node,New_Node_Breakpoint,New_Node_Debugging_Output): Shorten
	names, to ease typing in the debugger. Improve comments.
	(Watch_Node): New variable, intended to be set in the debugger.
	(New_Node_Breakpoint): New do-nothing procedure to set a breakpoint on,
	called when the watched node is created.
	(New_Node_Debugging_Output): Combined version of local procedures
	New_Node_Debugging_Output and New_Entity_Debugging_Output, now global,
	with a parameter so that conditional breakpoints like "if Node = 12345"
	work.
	(New_Node, New_Entity): Call the global New_Node_Debugging_Output.
	Add Elist1 function

From-SVN: r123553