GNU bug report logs - #4016
23.1.50; docview: scrolling up breaks after setting a slice

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Message #18 received at 4016 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Paer Kurlberg <kurlberg <at> math.kth.se>
Cc: 4016 <at> debbugs.gnu.org
Subject: Re: bug#4016: 23.1.50; docview: scrolling up breaks after setting a
 slice
Date: Sun, 18 Jul 2021 21:10:58 +0200

Paer Kurlberg <kurlberg <at> math.kth.se> writes:

> View a dvi file (or pdf file for that matter) with DocView.
>
> Set a slice by typing "ss" (invoking doc-view-set-slice) with x and y
> coordinates zero, and maximum width and height, as suggested by the
> prompt.  (In fact, any slice settings seems to trigger the phenomena.)
>
> When hitting space (invoking doc-view-scroll-up-or-next-page), the
> document is not scrolled up, and the following error message appears:
>
> image-next-line: Invalid image specification

(I'm going through old bug reports that unfortunately weren't resolved
at the time.)

I tried reproducing this in Emacs 28, but I got no errors when doing
this.  (The slice command is `c s' now(?), though.)

Are you still seeing this issue in recent Emacs versions?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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