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* BUG: preview latex with split environment
@ 2014-10-28 15:02 Andreas Leha
  2014-10-28 15:23 ` Rasmus
  0 siblings, 1 reply; 7+ messages in thread
From: Andreas Leha @ 2014-10-28 15:02 UTC (permalink / raw)
  To: emacs-orgmode

Hi all,

I encounter a BUG with org-toggle-latex-fragment on an equation that
uses amsmath's split environment.

(Exporting of the document works fine.)


The problem is that the \begin{equation},\end{equation} get stripped of
the temporary tex file.


Here is some test doc

--8<---------------cut here---------------start------------->8---
#+TITLE: Test amsmath's split

* Some equation
with some split expression, e.g.
\begin{equation}
  \begin{split}
    w \cdot x + b &= 1, \text{ and}\\
    w \cdot x + b &= -1
  \end{split}
\end{equation}

To reproduce try to org-toggle-latex-fragment (C-c C-x C-l) on that
latex expression.

Export of this works fine.
--8<---------------cut here---------------end--------------->8---

which results in this /tmp/foobar.tex document (relevant parts shown):

--8<---------------cut here---------------start------------->8---
\begin{document}
\definecolor{fg}{rgb}{0.996109,0.996109,0.996109}
\definecolor{bg}{rgb}{0.197269,0.197269,0.197269}

\pagecolor{bg}

{\color{fg}
\begin{split}
    w \cdot x + b &= 1, \text{ and}\\
    w \cdot x + b &= -1
  \end{split}
}

\end{document}
--8<---------------cut here---------------end--------------->8---

The compilation of that results in
,----
| ERROR: Package amsmath Error: \begin{split} won't work here.
| ...
| \Did you forget a preceding \begin{equation}?
`----

Regards,
Andreas

^ permalink raw reply	[flat|nested] 7+ messages in thread
* Re: BUG: preview latex with split environment
@ 2016-04-10 19:51 Varius Various
  2016-04-10 23:05 ` Varius Various
  0 siblings, 1 reply; 7+ messages in thread
From: Varius Various @ 2016-04-10 19:51 UTC (permalink / raw)
  To: emacs-orgmode


Andreas Leha <address@hidden> writes:
>Nicolas Goaziou <address@hidden> writes:
>> Hello,
>>
>> Andreas Leha <address@hidden> writes:
>>
>>> I open this file:
>>>
>>> #+TITLE: Test amsmath's split
>>>
>>> * Some equation
>>> with some split expression, e.g.
>>> \begin{equation}
>>>   \begin{split}
>>>     w \cdot x + b &= 1, \text{ and}\\
>>>     w \cdot x + b &= -1
>>>   \end{split}
>>> \end{equation}
>>>
>>> To reproduce try to org-toggle-latex-fragment (C-c C-x C-l) on that
>>> latex expression.
>>
>> This should be fixed in master. Thank you for reporting it.
>>
>
>I can confirm this is fixed in my use case.
>
>Thank you very much!  That'll save me several LaTeX compilation cycles.

I have no problem with Andreas' example, but it fails in my case, where
"&" symbols are at the beginning of a line:

\begin{equation}
 \begin{split}
 (a - b) + c &= (a + (-b)) + c\\
  &= a + (-b + c)\\
  &= a + (c - b)\\
  &= (a + c) - b\text{.}
 \end{split}
\end{equation}

^ permalink raw reply	[flat|nested] 7+ messages in thread
end of thread, other threads:[~2016-04-10 23:05 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2014-10-28 15:02 BUG: preview latex with split environment Andreas Leha
2014-10-28 15:23 ` Rasmus
2014-10-28 17:42   ` Andreas Leha
2014-10-28 22:58     ` Nicolas Goaziou
2014-10-29 10:12       ` Andreas Leha
  -- strict thread matches above, loose matches on Subject: below --
2016-04-10 19:51 Varius Various
2016-04-10 23:05 ` Varius Various

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