Fix c/c++-ts-mode's mode lighter

* lisp/progmodes/c-ts-mode.el (c-ts-mode-set-modeline): Remove
trailing blank from comment-start when indicating the comment
style on the mode line.

diff --git a/lisp/progmodes/c-ts-mode.el b/lisp/progmodes/c-ts-mode.el
index a29bf4f3480e8944a433f31321326cd64f1d03f3..3afd7a4a9134dbc161209c2d50bb9e70d6b6935a 100644 (file)
--- a/lisp/progmodes/c-ts-mode.el
+++ b/lisp/progmodes/c-ts-mode.el
@@ -109,7 +109,8 @@ just toggles it when zero or left out."
 
 (defun c-ts-mode-set-modeline ()
   (setq mode-name
-        (concat (if (eq major-mode 'c-ts-mode) "C" "C++") comment-start))
+        (concat (if (eq major-mode 'c-ts-mode) "C" "C++")
+                (string-trim-right comment-start)))
   (force-mode-line-update))
 
 (defun c-ts-mode--indent-style-setter (sym val)