Thanks for helping. Here is my .emacs file I don't know much about elisp.
;;; XEmacs backwards compatibility file (setq user-init-file (expand-file-name "init.el" (expand-file-name ".xemacs" "~"))) (setq custom-file (expand-file-name "custom.el" (expand-file-name ".xemacs" "~")))
(load-file user-init-file) (load-file custom-file) (load "tex-site") (require 'tex-site) (setq TeX-auto-save t) (setq TeX-parse-self t) (setq-default TeX-master nil)