(gud-mode): Add a mode-class property.

diff --git a/lisp/gud.el b/lisp/gud.el
index 8227b8be97e6cc8b2a5396abcc36726356a99c41..2bc3affb1facf3c8d10a6e0e7b34a0c4c74bc16b 100644 (file)
--- a/lisp/gud.el
+++ b/lisp/gud.el
@@ -1069,6 +1069,8 @@ and source-file directory for your debugger."
 (defvar gud-delete-prompt-marker nil)
 
 \f
+(put 'gud-mode 'mode-class 'special)
+
 (defun gud-mode ()
   "Major mode for interacting with an inferior debugger process.