[Ipe-discuss] problem using 7.2.6 on windows. \begin{align*} not being accepted

[Otfried Cheong]

The align environment (like many other environments) cannot be used
inside a Latex box.    You have to use it in a minipage.   In Ipe, use
"Paragraphs (G)", not "Text labels (L)".

Cheers,
 Otfried

On Thu, Nov 17, 2016, at 07:08, Nasser M. Abbasi wrote:
> Hello;
> 
> When I add this text to my drawing (by clicking on
> the text icon, and typing in the small pop-up windows
> that comes up the following as an example
> 
> \begin{align*}
> A &= B
> \end{align*}
> 
> I keep getting "Ipe: error running Latex"
> )
> ! Missing \endgroup inserted.
> <inserted text>
>                  \endgroup
> l.72 \end{align*}
>                   %
> 
> I made sure to add
> \usepackage{amsmath}
> 
> to the document preamble using the Edit->Document Properties window.
> 
> I also noticed, when I look into the .ipe file itself, that
> ipe adds this
> 
> ....
> <text matrix="1 0 0 1 -28 52" transformations="translations" pos="336
> 676" stroke="black" type="label" width="23.968" height="6.42" depth="0"
> valign="baseline" style="math">u=0</text>
> <text transformations="translations" pos="336 660" stroke="black"
> type="label" valign="baseline">\begin{align*}
> A &amp;= B
> \end{align*}</text>
> 
> ....
> 
> Notice the A &amp;= B   (may be it always added &amp;  for &, I do not
> know).
> 
> I can add other math text, such as $\theta$ and it works, but it seems
> to fail when I use align* env from amsmath.
> 
> I am on windows 7, 64 bit. Latest 2.9 Miktex runs fine and I use Miktex
> all the time and have not changed anything with it. So I do not
> think it is related to Latex installation on windows itself.
> 
> I just compiled this tex file on miktex, no error:
> 
> ------------------------------
> \documentclass[]{article}
> \usepackage{amsmath}
> \begin{document}
> \begin{align*}
> A &= B
> \end{align*}
> \end{document}
> ------------------------
> 
> I upgraded to 7.2.6 just recently.
> 
> I put the .ipe file in this folder if someone wants to try it:
> 
> http://12000.org/tmp/101516/
> 
> It is called p2.ipe
> 
> Am I doing something wrong?  Also, anyone knows where to
> download earlier version of IPE? 7.2.5 may be? I deleted
> the earlier version from my PC.
> 
> thanks
> --Nasser
> 
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