page (had crept onto front of title page w/ other stuff migrating between
gdb.texinfo and gdb.top-m4).
2) gdb.top-m4: added Detailed Node Listing to main menu.
made $Id: for fragment into texinfo comment.
in gdb.top-m4 when files were split), for continuity in version
numbering: the version of the manual is the version of the layout file.
(By R. Pesch fiat).