Tex-Mode not working in XEmacs

[Uwe Brauer]

>>>>> " " == H Peter Gumm <gumm at mathematik.uni-marburg.de> writes:

    > I installed the native Windows port of XEmacs (XEmacs 21.4 (patch 13))
    > 1. When I load a latex-file XEmacs remains in raw mode

    > 2. There is no menubar entry referring to TeX/LaTeX

    > Entering the command  M-x tex-mode gives me the error message

    >    "Symbol's function definition is void: regexp-opt"

    > What to do ?

    > Peter


Try to add
(require 'tex-site)

 in your init file