From: Noam Postavsky <npostavs@gmail.com>
Date: Fri, 13 Oct 2017 02:59:53 +0000 (-0400)
Subject: Don't remember old debugger window (Bug#17882)
X-Git-Tag: emacs-26.0.91~546
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=51615a8082;p=emacs.git

Don't remember old debugger window (Bug#17882)

* lisp/emacs-lisp/debug.el (debug): Unset debugger-previous-window
when `debugger-will-be-back' is nil.
---

diff --git a/lisp/emacs-lisp/debug.el b/lisp/emacs-lisp/debug.el
index 0247179a843..6c754615b00 100644
--- a/lisp/emacs-lisp/debug.el
+++ b/lisp/emacs-lisp/debug.el
@@ -253,7 +253,9 @@ first will be printed into the backtrace buffer."
 		;; Unshow debugger-buffer.
 		(quit-restore-window debugger-window debugger-bury-or-kill)
 		;; Restore current buffer (Bug#12502).
-		(set-buffer debugger-old-buffer))))
+		(set-buffer debugger-old-buffer)))
+            ;; Forget debugger window, it won't be back (Bug#17882).
+            (setq debugger-previous-window nil))
           ;; Restore previous state of debugger-buffer in case we were
           ;; in a recursive invocation of the debugger, otherwise just
           ;; erase the buffer and put it into fundamental mode.