Generate subscript (`<sub>`) tag for Hexo
npm install hexo-filter-sub


> Generate subscript () tag for Hexo.
``node`
npm install --save hexo-filter-sub
H~2~0 => H2O
The default markup is based on pandoc definition. But nested markup is currently not supported.
Markup can be specified as follow in you _config.yml:
``
sub:
markup: '$'
Pull requests and stars are highly welcome.
For bugs and feature requests, please create an issue.