vms_conv.adb (Process_Argument): Keep arguments starting with '+' as is.

vms_conv.adb (Process_Argument): Keep arguments starting with '+' as is.

2007-04-20  Vincent Celier  <celier@adacore.com>

	* vms_conv.adb (Process_Argument): Keep arguments starting with '+' as
	is.

	* vms_data.ads: Add entries for -gnatw.x and -gnatw.X
	/STYLE_CHECKS=GNAT: Change meaning to -gnatyg
	/GNAT_INTERNAL: New compiler qualifier corresponding to -gnatg
	Add missing comment for /OPTIMIZE=SPACE
	Add entry for OPTIMIZE=SPACE
	Add new qualifier /ALL_PROJECTS (= -U) for GNAT LIST
	Add documentation for new qualifiers corresponding to -gnatw.c/.C

From-SVN: r125474