[Docutils-develop] [docutils:patches] Re: #197 MathML: support pandoc(1) as an external converter

[Günter M. <mi...@us...>]

> One big advantage of pandoc is that it supports {align} and {gather}.

I see. Active development and widespread use is another bonus (especially
over other external tools).

> Pandoc and latex2mathml.py supports different subsets of latex. For
> example, latex2mathml.py does not support \gsime, but pandoc does.

> The pandoc list of supported symbols is here [1] and it appears to be
> bigger (~2800 symbols) than the one in latex2mathml.py (~100 symbols)

latex2mathml uses the same database and extracts the about 600 symbols
supported by the most common math packages. It also supports literal
Unicode characters in the input.

> Actually it appears [1] is written by yourself, and that version is 8
> years old, so if you know where a newer version is I can go file a PR
> to them to support newer stuff like \underleftrightarrow.

The database and related work is available under
https://milde.users.sourceforge.net/LUCR/Math/
The latest revision is used in latex2mathml but not published yet.

The "unimathsymbols" database only contains LaTeX math macros that map
directly to Unicode code points. (\underleftrightarrow is implemented
using ↔ (\leftrightarrow) in a `<munder>` element.)


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** [patches:#197] MathML: support pandoc(1) as an external converter**

**Status:** open
**Group:** None
**Created:** Fri Oct 28, 2022 02:21 PM UTC by Ximin Luo
**Last Updated:** Tue Nov 01, 2022 11:44 AM UTC
**Owner:** nobody
**Attachments:**

- [0001-MathML-support-pandoc-1-as-an-external-converter.patch](https://sourceforge.net/p/docutils/patches/197/attachment/0001-MathML-support-pandoc-1-as-an-external-converter.patch) (3.5 kB; text/x-patch)


In my personal experience, `pandoc` is more reliable than `latexml`, e.g. the current support for the latter in docutils does not automatically include amsfonts which prevents things like mathbb from working. In `pandoc` it Just Works.


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