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Leave the contents on the *Backtrace* buffer on `q'

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* lisp/emacs-lisp/debug.el (debug): Don't clear the contents of
the buffer on `q' (bug#55863).
This commit is contained in:
Lars Ingebrigtsen 2022-06-14 14:38:05 +02:00
parent bea90d8de2
commit a02bb84c80
2 changed files with 12 additions and 6 deletions
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11
lisp/emacs-lisp/debug.el
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@ -305,16 +305,15 @@ the debugger will not be entered."
(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.
;; Restore previous state of debugger-buffer in case we
;; were in a recursive invocation of the debugger,
;; otherwise just exit (after changing the mode, since we
;; can't interact with the buffer in the same way).
(when (buffer-live-p debugger-buffer)
(with-current-buffer debugger-buffer
(if debugger-previous-state
(debugger--restore-buffer-state debugger-previous-state)
(setq backtrace-insert-header-function nil)
(setq backtrace-frames nil)
(backtrace-print))))
(backtrace-mode))))
(with-timeout-unsuspend debugger-with-timeout-suspend)
(set-match-data debugger-outer-match-data)))
(setq debug-on-next-call debugger-step-after-exit)