GNU bug report logs - #12876
24.3.50; DocView problem with cached files

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Message #8 received at 12876 <at> debbugs.gnu.org (full text, mbox):

From: Tassilo Horn <tsdh <at> gnu.org>
To: Stephen Berman <stephen.berman <at> gmx.net>
Cc: 12876 <at> debbugs.gnu.org
Subject: Re: bug#12876: 24.3.50; DocView problem with cached files
Date: Tue, 13 Nov 2012 14:12:00 +0100

Stephen Berman <stephen.berman <at> gmx.net> writes:

> When I revisit a PDF file that DocView has cached (also when starting
> with -Q, with the cache /tmp/docview1000), trying to scroll past the
> bottom or top of the page fails with the error
> "doc-view-scroll-up-or-next-page: Wrong type argument:
> number-or-marker-p, nil" or "doc-view-scroll-down-or-previous-page:
> Wrong type argument: number-or-marker-p, nil" and in either case also
> with "Error during redisplay: (eval (number-to-string
> (doc-view-current-page))) signaled (wrong-type-argument numberp nil)".
> In addition, the page number indication in the mode line looks odd:
> e.g. for a one page document it shows "P/1", for a five page document
> it shows "P/5" (only the first page is displayed).

I can confirm the issue.  The problem is that (doc-view-current-page)
and returns nil, although that's setf-ed in `doc-view-initiate-display'.
But I think at this time, the window going to hold the images isn't
there already.

As a workaround, do `M-g M-g 1 RET'.  I'll look into this issue later
today.

Bye,
Tassilo

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