So this may be challenging/impossible. I imagine you've used IDE's which is why you added syntax highlighting. It'd be nice if you could start typing, hit tab, and either get an autocompleted (if one option, like @play<tab> should fill in @player) or a list of suggestions.

I would love it (though more for spell names probably), but realistically: never gonna happen 🙂

yeah, I would have thrown spell names and (current) inventory items into that list.