katex

Right now toSplitInto uses display: false for all tests.

As noted on slack, I've run into a couple of road-blocks when exploring some features. Noting them here for posterity:

• on this page, there's an example block with {{ispage blog/*}} {{insert head_blog}}{{end}}. ispage has some documentation here, but I can't find wher

ProseMirror (and by extension, prosemirror-math) relies on contenteditable to function. Since the implementation of contenteditable is not yet standardized between browsers, we must test manually in each browser to ensure acceptable behavior.

I do not own a Mac, so I cannot test prosemirror-math on Safari. Please report any bugs you find in Safari!

Some unit tests wouldn't hurt, especially for components.
We should also consider Selenium or whatever HTML inspection tool is useful and simple.
For now we can try with String.contains or something like that. 😄