(gud-filter): Don't bind inhibit-quit.

Do nothing if buffer is dead.

diff --git a/lisp/gud.el b/lisp/gud.el
index c8cf26c4d91d222b0f89b6948675f6c03dc964b2..c43f6e2d4ab59c4633c11a25b40e83c1261f7382 100644 (file)
--- a/lisp/gud.el
+++ b/lisp/gud.el
@@ -1009,28 +1009,28 @@ comint mode, which see."
 
 (defun gud-filter (proc string)
   ;; Here's where the actual buffer insertion is done
-  (let ((inhibit-quit t) 
-       output)
-    (save-excursion
-      (set-buffer (process-buffer proc))
-      ;; If we have been so requested, delete the debugger prompt.
-      (if (marker-buffer gud-delete-prompt-marker)
-         (progn
-           (delete-region (process-mark proc) gud-delete-prompt-marker)
-           (set-marker gud-delete-prompt-marker nil)))
-      ;; Save the process output, checking for source file markers.
-      (setq output (gud-marker-filter string))
-      ;; Check for a filename-and-line number.
-      ;; Don't display the specified file
-      ;; unless (1) point is at or after the position where output appears
-      ;; and (2) this buffer is on the screen.
-      (if (and gud-last-frame
-              (>= (point) (process-mark proc))
-              (get-buffer-window (current-buffer)))
-         (gud-display-frame))
-      ;; Let the comint filter do the actual insertion.
-      ;; That lets us inherit various comint features.
-      (comint-output-filter proc output))))
+  (let (output)
+    (if (buffer-name (process-buffer proc))
+       (save-excursion
+         (set-buffer (process-buffer proc))
+         ;; If we have been so requested, delete the debugger prompt.
+         (if (marker-buffer gud-delete-prompt-marker)
+             (progn
+               (delete-region (process-mark proc) gud-delete-prompt-marker)
+               (set-marker gud-delete-prompt-marker nil)))
+         ;; Save the process output, checking for source file markers.
+         (setq output (gud-marker-filter string))
+         ;; Check for a filename-and-line number.
+         ;; Don't display the specified file
+         ;; unless (1) point is at or after the position where output appears
+         ;; and (2) this buffer is on the screen.
+         (if (and gud-last-frame
+                  (>= (point) (process-mark proc))
+                  (get-buffer-window (current-buffer)))
+             (gud-display-frame))
+         ;; Let the comint filter do the actual insertion.
+         ;; That lets us inherit various comint features.
+         (comint-output-filter proc output)))))
 
 (defun gud-sentinel (proc msg)
   (cond ((null (buffer-name (process-buffer proc)))