Comment by daptaq

> 2. No language server (apparently it's just impossible due to the way the language works). Tbh, I'd be happy with just "Go to definition" but alas, no-can-do!

Emacs' dumb-jump appears to have some basic support for go to definition: https://github.com/jacktasia/dumb-jump/blob/master/dumb-jump...

But out of curiosity, what is the issue from a technical point of view?