macros/1136: stringification operator ## not yet implemented

[tromey@redhat.com]

Synopsis: stringification operator ## not yet implemented

State-Changed-From-To: analyzed->closed
State-Changed-By: tromey
State-Changed-When: Sat Sep 27 21:45:17 2008
State-Changed-Why:
    I checked in a patch to implement token-pasting,
    stringification, and varargs macros.

http://sourceware.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gdb&pr=1136