Richard Weiss

Support for the LaTeX package `xparse`

3

**Is your feature request related to a problem? Please describe.** [LaTeX Workshop](https://marketplace.visualstudio.com/items?itemName=James-Yu.latex-workshop) uses MathJax to [preview equations](https://github.com/James-Yu/LaTeX-Workshop/wiki/Hover#previewing-equations) when hovering above them. However, when the commands, created with `\NewDocumentCommand` from the...