2007-12-19 Robert Dewar <dewar@adacore.com>

	* gnat_rm.texi, gnat_ugn.texi: Update documentation of -gnatw.o
	Fix name of Wide_Wide_Latin_1/9 file names
	Add documentation for Ada.Exceptions.Last_Chance_Handler (a-elchha.ads)
	Add missing documentation for Ada.Wide_[Wide_]Characters.Unicode
	Add missing documentation for Ada.Command_Line.Response_File
	Update list of warning letters for Warnings pragma
	Add documentation for pragma Unmodified

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@131086 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ada/gnat_ugn.texi b/gcc/ada/gnat_ugn.texi
index 15a30c5..0c9c141 100644 (file)
--- a/gcc/ada/gnat_ugn.texi
+++ b/gcc/ada/gnat_ugn.texi
@@ -5039,7 +5039,9 @@ another.
 @cindex @option{-gnatw.o} (@command{gcc})
 This switch activates warnings for variables that are modified by using
 them as actuals for a call to a procedure with an out mode formal, where
-the resulting assigned value is never read.
+the resulting assigned value is never read. It is applicable in the case
+where there is more than one out mode formal. If there is only one out
+mode formal, the waraning is issued by default (controlled by -gnatwu).
 The warning is suppressed for volatile
 variables and also for variables that are renamings of other variables
 or for which an address clause is given.