Joost Kremers <joostkrem...@fastmail.fm> writes:
> Hi Tassilo,
>
> On Thu, Aug 27 2015, Tassilo Horn <t...@gnu.org> wrote:
>> Joost Kremers <joostkrem...@fastmail.fm> writes:
>>> Here's a MWE:
>>>
>>> ```
>>> \documentclass{scrbook}
>>>
>>> \begin{document}
>>>
>>> \[
>>> \frac{d}{dx}\left( \int_{0}^{x} f(u)\,du\right)=f(x).
>>> \]
>>>
>>> \end{document}
>>> ```
>>>
>>> Preview that with `TeX-engine` set to `xetex` and you should see the
>>> problem. Changing `scrbook` to `book`, or using the default engine
>>> should make it go away again.
>>
>> Indeed, I can reproduce that. And looking at the output, always the
>> snippet which will be shown as a complete page has this "Preview:
>> Tightpage..." line.
>
> Thanks for confirming, that means I at least don't have to dig any
> further for conflicting Emacs options.
>
>>> Anyway, I hope you can reproduce the problem now and can figure out
>>> what's going on. Thanks!
>>
>> I can reproduce it but preview is some kind of black magic for me. So
>> hopefully someone else can have a look at this.
>
> I'm guessing the only one that really understands what's going on might
> be David Kastrup himself...
I have never used XeTeX so I don't actually have much of a clue here.
It's also suspicious that it requires scrbook to trigger.
--
David Kastrup
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