Expand macro parsing to repeated patterns

[sampersand]

Sublime Text Version

Sublime Text 3 (Build 3176)

Rust Enhanced Version

v2.15.0

Operating system

macOS v10.13.4 (high sierra)

References

Improvement number 25 on #284 is also something that should be updated

Request

highlight repeated patterns:

macro_rules! foo {
	($($foo:expr),*) => {}
}

It'd be nice if $foo:expr would highlight as if i didn't have the $(),* surrounding it.

[ehuss]

I have a fix for this, I'll be posting the PR soon.