GNU bug report logs - #23083
Reverting pdf in Multifile tex document

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From: Waleed Yousef <wyousef <at> fcih.net>
To: Mosè Giordano <mose <at> gnu.org>
Cc: 23083-done <at> debbugs.gnu.org, Tassilo Horn <tsdh <at> gnu.org>
Subject: bug#23083: Reverting pdf in Multifile tex document
Date: Mon, 28 Mar 2016 23:35:39 +0000

So, this will be released to elpa eventually?


Mosè Giordano <mose <at> gnu.org> writes:

> Hi Tassilo,
>
> 2016-03-27 22:02 GMT+02:00 Tassilo Horn <tsdh <at> gnu.org>:
>> Waleed Yousef <wyousef <at> fcih.net> writes:
>>
>> Hi Waleed,
>>
>>> the good news is that the problem disappeared. However, a new problem
>>> occurred.
>>>
>>> For some preamble (which is really weird) the pdf does not revert
>>> (refresh); however it goes to the right page (but without
>>> refreshing).  For the following preamble, when I comment some packages
>>> the problem disappear!!
>>
>> Good catch!  We've called `TeX-after-compilation-finished-functions'
>> only if `TeX-error-list' was empty with the intention that you don't
>> want to revert when errors have occurred which usually means that the
>> PDF will be broken anyhow.  However, your preamble issues lots of
>> warnings, and those are collected in `TeX-error-list', too.
>>
>> I've fixed it in Git so that the hook is skipped only if there were real
>> errors and not just warnings.  Here is the patch:
>>
>> --8<---------------cut here---------------start------------->8---
>> modified   tex-buf.el
>> @@ -1551,7 +1551,7 @@ Rerun to get mark in right position\\." nil t)
>>                  (md5 (current-buffer)))))
>>          (push (cons idx-file t) LaTeX-idx-changed-alist)))
>>
>> -  (unless TeX-error-list
>> +  (unless (memq 'error (mapcar #'car TeX-error-list))
>>      (run-hook-with-args 'TeX-after-compilation-finished-functions
>>                         (with-current-buffer TeX-command-buffer
>>                           (expand-file-name
>> --8<---------------cut here---------------end--------------->8---
>
> I changed it to use `TeX-error-report-switches' as it is simpler than
> going through `TeX-error-list' and it's the usual way to test presence
> of errors in the last TeX run.  Maybe we should turn the whole
> `plist-get' call into a function.
>
> Bye,
> Mosè

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