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## [AUCTeX] Preview and math mode

**From**: |
François Poulain |

**Subject**: |
[AUCTeX] Preview and math mode |

**Date**: |
Wed, 20 Nov 2013 13:59:09 +0100 |

Hi,
I encounter errors when I try to use the preview LaTeX package on the
macro or environments with math mode. For example, the following file
does not compile:
%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\documentclass{article}
\usepackage[active]{preview}
\PreviewMacro[{{}{}}]{\frac}
\begin{document}
\[
x= \frac{\alpha}{\beta}
\]
\end{document}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%
The error is:
! Missing $ inserted.
<inserted text>
$
l.9 x= \frac{\alpha}{\beta}
I guess this is relyed to the math mode, but I don't know how to deal
with. I tried to add @{\ensuremath} in the PreviewMacro options, but it
didn't work.
Notice that, as far as possible, I don't want to preview the entire
equation environment, but only a part of it.
Any idea?
Best regards.
François
PS: I am not subscriber of this list, please let me in CC of answers.
--
François Poulain <address@hidden>

**[AUCTeX] Preview and math mode**,
*François Poulain* **<=**