The document gnome-display-mgr.html is a complete user manual for GDM2,
converted to html using pandoc from gnome-display-mgr that is in docbook
format, found here in the form of a gzipped archive:
ftp://ftp.gnome-db.org/mirror/.../581a4d2c65d5077afd55c1b9dd14587a990b8541
which has been last modified on Sat Jun 14 00:34:16 2008 according to
the file utility.

Didier Spaier <didier~at~slint~dot~fr>