Non alpha macros not being hightlighted

[smabie]

You can see that the @. is not being highlighted, unlike like @df and @pipe. Is this intended behavior?

[non-Jedi]

No. You can probably change this regex to just match @ followed by any number of non-whitespace to fix it.

EDIT: whatever solution would need to make sure not to include parens as part of the macro, e.g. @foo(...