(tex-start-shell): Use add-hook for

comint-input-filter-functions.  Make variables related to shell
directory tracking local.

diff --git a/lisp/textmodes/tex-mode.el b/lisp/textmodes/tex-mode.el
index 1f248699758543a8620dec0810cc0781e389bcda..c620a25fc6456934d0ab02f9df68410f45562620 100644 (file)
--- a/lisp/textmodes/tex-mode.el
+++ b/lisp/textmodes/tex-mode.el
@@ -1005,7 +1005,11 @@ Mark is left at original location."
       (tex-define-common-keys tex-shell-map)
       (use-local-map tex-shell-map)
       (compilation-shell-minor-mode t)
-      (setq comint-input-filter-functions 'shell-directory-tracker)
+      (add-hook 'comint-input-filter-functions 'shell-directory-tracker nil t)
+      (make-local-variable 'list-buffers-directory)
+      (make-local-variable 'shell-dirstack)
+      (make-local-variable 'shell-last-dir)
+      (make-local-variable 'shell-dirtrackp)
       (run-hooks 'tex-shell-hook)
       (while (zerop (buffer-size))
        (sleep-for 1)))))