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bug#59618: 29.0.50; global-whitespace-mode + org-capture: "Marker does n
From: |
Stefan Kangas |
Subject: |
bug#59618: 29.0.50; global-whitespace-mode + org-capture: "Marker does not point anywhere" |
Date: |
Sat, 26 Nov 2022 22:54:25 -0800 |
Ihor Radchenko <yantar92@posteo.net> writes:
> Stefan Kangas <stefankangas@gmail.com> writes:
>
>> I fail to reproduce this bug using this recipe.
>>
>> Could you please clarify what exactly you did in step 5 and 6?
>
> Let me provide the detailed recipe I used:
>
> 1. rm ~/.notes (this is the default capture target)
> 2. emacs-29-vcs -Q --execute '(global-whitespace-mode)'
> 3. M-x org-capture <RET> t C-c C-c
> 4. M-x org-capture <RET> t
> 5. M-x toggle-debug-on-error
> 6. C-x b .notes
> 7. C-s %? <RET>
> 8. C-a
> 9. C-<SPC> M-> C-w
Thanks, I can reproduce the backtrace now.
Stepping through `whitespace--update-bob-eob' with edebug shows that the
`goto-char' in this fragment fails, because `whitespace-bob-marker' is
nil:
(save-excursion
(goto-char whitespace-bob-marker)
;; Any change in the first non-`empty'
;; line, even if it's not the first
;; character in the line, can potentially
;; cause subsequent lines to become
;; classified as `empty' (e.g., delete the
;; "x" from " x").
(forward-line 1)
(point))
The `whitespace--update-bob-eob' function is new in Emacs 29 and was
added in commit f47a5324f44e by Richard Hansen (in Cc).
Here is the backtrace again, for reference:
Debugger entered--Lisp error: (error "Marker does not point anywhere")
whitespace--update-bob-eob(37 37 29)
delete-and-extract-region(37 66)
#f(compiled-function (beg end delete) #<bytecode
0x15337359c91d96f1>)(37 66 delete)
apply(#f(compiled-function (beg end delete) #<bytecode
0x15337359c91d96f1>) (37 66 delete))
#f(compiled-function (funs global args) #<bytecode
-0xf6c557b8176d62>)(nil nil (37 66 delete))
buffer-substring--filter(37 66 delete)
filter-buffer-substring(37 66 delete)
#f(compiled-function (method) #<bytecode -0x2fb4b4ebabaf02c>)(delete)
kill-region(37 66 region)
funcall-interactively(kill-region 37 66 region)
command-execute(kill-region)