Pandoc: Cannot convert math with `\over` command

[abnerlee]

input: demo.md

$$x+1\over\sqrt{1-x^2}$$

command:

pandoc -f markdown demo.md      

error:

[WARNING] Could not convert TeX math 'x+1\over\sqrt{1-x^2}', rendering as TeX:
  x+1\over\sqrt{1-x^2}
          ^
  unexpected "\\"
  expecting "%", "\\label", "\\nonumber" or whitespace
<p><br /><span class="math display">$$x+1\over\sqrt{1-x^2}$$</span><br /></p>

The error also happens if I try to convert demo.md into docx. The tex equation are not converted.

Pandoc version info is

pandoc 2.0.1.1
Compiled with pandoc-types 1.17.2, texmath 0.10, skylighting 0.4.3.2
Default user data directory: /Users/abner/.pandoc
Copyright (C) 2006-2017 John MacFarlane
Web:  http://pandoc.org
This is free software; see the source for copying conditions.
There is no warranty, not even for merchantability or fitness
for a particular purpose.

[jgm]

Use \frac{x+1}{\sqrt{1-x^2} instead. This is the
idiomatic LaTeX version.
https://tex.stackexchange.com/questions/73822/what-is-the-difference-between-over-and-frac

The texmath library doesn't yet implement \over. If you
want to request support for it, put up an issue at
jgm/texmath.

[hmenke]

It is not recommended to use \over because the semantics are a little freaky. Consider

\documentclass{article}
\begin{document}
$\displaystyle \int f(x) dx \over \sum_i f(x_i)$
\end{document}

You'd expect both the numerator and the denominator to be in display style, but this is the ouput

Please also have a look at Why is \[ … \] preferable to $$?

[mb21]

The texmath library doesn't yet implement \over. If you want to request support for it, put up an issue at jgm/texmath.

Thus closing this.

[sjackman]

[WARNING] Could not convert TeX math '\textrm{PPV} = \frac{55}{210} = 0.26', rendering as TeX

What should I use instead of \frac{…}{…} inside $ math goes here $ with Pandoc 2.2.1?

[jgm]

By default pandoc will try to "fake it with unicode" for math.
But it can't really fake fractions. So here it just spits out
the raw TeX.

If you have fractions, you need to use --mathjax, --katex, or
some other method for rendering math in HTML.

Shaun Jackman [e-mail] writes:

[WARNING] Could not convert TeX math '\textrm{PPV} = \frac{55}{210} = 0.26', rendering as TeX

What should I use instead of \frac{…}{…} inside $ math goes here $?

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[xu-song]

Is it possible to use \[ instead of $$? @hmenke @jgm
I find \[ not work in pandoc.
Here is a demo

[mb21]

@xu-song yes, see http://pandoc.org/MANUAL.html#extension-tex_math_single_backslash e.g.

pandoc -f markdown+tex_math_single_backslash --mathjax

[xu-song]

thanks, it works