[elpa] externals/auctex 77ae6b5652 19/43: Restore tool bar on japanese-plain-TeX-mode

[Tassilo Horn]

branch: externals/auctex
commit 77ae6b5652f17095acf46adbbf8267f3cab9f825
Author: Ikumi Keita <ikumi@ikumi.que.jp>
Commit: Ikumi Keita <ikumi@ikumi.que.jp>

    Restore tool bar on japanese-plain-TeX-mode
    
    * plain-tex.el (plain-TeX-mode-cleanup): Restore tool bar on
    japanese-plain-TeX-mode.
---
 plain-tex.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plain-tex.el b/plain-tex.el
index e2389b4ad4..6e4ddf7c03 100644
--- a/plain-tex.el
+++ b/plain-tex.el
@@ -139,7 +139,7 @@ of `plain-TeX-mode-hook'."
   "Cleanup function for `plain-TeX-mode'.
 Run after mode hooks and file local variables application."
   ;; Don't install tool bar in AmSTeX mode.
-  (when (eq major-mode 'plain-TeX-mode)
+  (unless (derived-mode-p 'AmSTeX-mode)
     (add-hook 'tool-bar-mode-hook
               #'plain-TeX-maybe-install-toolbar nil t)
     (plain-TeX-maybe-install-toolbar)))