(gud-filter): Bind inhibit-read-only to t

in case comint-prompt-read-only is set to t.

diff --git a/lisp/progmodes/gud.el b/lisp/progmodes/gud.el
index 8f962381d24f998a8cadebd555f95227d415feec..de050cf696a35dcc90bb77d0cf32cfc4dca2ce9d 100644 (file)
--- a/lisp/progmodes/gud.el
+++ b/lisp/progmodes/gud.el
@@ -2530,7 +2530,7 @@ It is saved for when this flag is not set.")
              (save-restriction
                (widen)
                (if (marker-buffer gud-delete-prompt-marker)
-                   (progn
+                   (let ((inhibit-read-only t))
                      (delete-region (process-mark proc)
                                     gud-delete-prompt-marker)
                      (set-marker gud-delete-prompt-marker nil)))