codimd/public/js/mathjax-config-extra.js

window.MathJax = {
  messageStyle: 'none',
  skipStartupTypeset: true,
  tex2jax: {
    inlineMath: [['$', '$'], ['\\(', '\\)']],
    processEscapes: true
  },
  TeX: {
    extensions: ['mhchem.js']
  }
}