GNU bug report logs - #72771
31.0.50; shr html renderer throwing "Specified window is not displaying the current buffer"

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Message #8 received at 72771 <at> debbugs.gnu.org (full text, mbox):

From: Rob Stewart <R.Stewart <at> hw.ac.uk>
To: 72771 <at> debbugs.gnu.org
Subject: Re: 31.0.50; shr html renderer throwing "Specified window is not
 displaying the current buffer"
Date: Fri, 23 Aug 2024 10:13:54 +0100

See the comment on the mu4e bug tracker:

Seems that Gnus no longer allows for offscreen rendering, since commit a876c4d7a17. In particular, the change in shr-indent, with font-at raising that error.

Using the old definition, it still works:

--8<---------------cut here---------------start------------->8---
(defun shr-indent ()
  (when (> shr-indentation 0)
    (if (not shr-use-fonts)
        (insert-char ?\s shr-indentation)
      (insert ?\s)
      (put-text-property (1- (point)) (point)
                         'display `(space :width (,shr-indentation))))))
--8<---------------cut here---------------end--------------->8---

https://github.com/djcb/mu/issues/2747#issuecomment-2306632897

Best wishes,

--
Rob

On 23/08/2024 at 09:15 Rob Stewart writes:

> When attempting to open the attached (anonymised) message with mm-text-html-renderer set to `shr`, I get this bracktrace:
>
> --8<---------------cut here---------------start------------->8---
> Debugger entered--Lisp error: (error "Specified window is not displaying the current buffer")
>   shr-indent()
>   shr-fill-line()
>   shr-fill-lines(13724 15455)
>   shr-insert-document((html ((xmlns:o . .))))
>   mm-shr((#<buffer  *mm*-655965> ("text/html" (charset . "Windows-1252")) quoted-printable nil nil nil nil nil))
>   mm-inline-text-html((#<buffer  *mm*-655965> ("text/html" (charset . "Windows-1252")) quoted-printable nil nil nil nil nil))
>   mm-display-inline((#<buffer  *mm*-655965> ("text/html" (charset . "Windows-1252")) quoted-printable nil nil nil nil nil))
>   mm-display-part((#<buffer  *mm*-655965> ("text/html" (charset . "Windows-1252")) quoted-printable nil nil nil nil nil))
>   gnus-mime-display-alternative(((#<buffer *mm*-410985> ("text/plain" (charset
> . "Windows-1252")) quoted-printable nil ("inline") nil nil nil) (#<buffer
> *mm*-655965> ("text/html" (charset . "Windows-1252")) quoted-printable nil nil
> nil nil nil)) nil nil 1)
>   gnus-mime-display-part((#("multipart/alternative" ...)))
>   gnus-display-mime(nil)
>   #f(compiled-function (&optional ihandles) #<bytecode -0xcb4ad9361861f2a>)()
>   gnus-article-prepare-display()
>   mu4e--view-render-buffer((:path ...))
>   mu4e-view((:path ...))
>   mu4e~headers-view-handler((:path ...))
> --8<---------------cut here---------------end--------------->8---
>
> I've been asked here:
>
> https://github.com/djcb/mu/issues/2747#issuecomment-2305245669
>
> to report this as an Emacs bug/incompatibility.
>
> I'm using Emacs build 3d1d4f109ed4115256a08c74eeb704259d91c9f4 (21 August 2024).
>
> Best wishes,
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