Mathdown
A lightweight syntax for matrices. Outputs MathML format.
Syntax
1 2 3 3 2 8
produces

You can also use Markdown-style text emphasis
_<text>_or*<text>*for italic__<text>__or**<text>**for bold___<text>___or***<text>***for italic and bold
***1*** 2 __3__ 3 _2_ 8
produces

Usage
mathdown -i input.mth -o output.xml
Parameters
-i <file path>Specifies the input path-o <file path>Specifies the output pathfile-sUses square brackets-rUses round brackets