MegaIng

I would honestly talk to sphinx and look at what they have to say about this. Or did you find somewhere that the correct solution to this would be to...

And it might be worth mentioning @chsasank, as he is the one who contributed most (all?) of the sphinx setup.

Can not reproduce when `PYTHONHASHSEED` is set. Without (or with `=random`, or with `-R` flag), can reproduce. (On windows 10 with Python 3.7 & 3.8)

Your grammar is ambiguous. You can check that by passing `ambiguity='explicit'` to the constructor and the parsing the text again. Although it would be nice, I don't think Lark gives...

I would suggest allowing the user to define a method `get_callback` or something like that that allows a custom name resolution. This would allow the user to do what @erezsh...

My suggestion of providing a generic interface also has the benefit that it works even if the grammar rules are named very different than python identifiers, for example what might...

and the spaces, and any other special characters that might appear in the name

@erezsh I am not sure. I don't know exactly how `tree_matcher` is implemented.

Yes, I think there should be a formal lark-grammar for lark. Mainly, so that I can apply it to the intellij-plugin I am developing and the theoretically planed linter I...

And this PR is certainly not complete as can be seen from comments on #763. (e.g. still missing for the `transformer` parameter. That should also be in the tests.