Scope parens as `punctuation.definition`?

[Thom1729]

Parentheses are currently scoped as keyword.control.group. Arguably, they should instead be scoped as punctuation.definition or punctuation.section.

The current scoping impair legibility in the default Mariana theme. Now:

With parens scoped as punctuation.definition:

[FichteFoll]

I wonder about this. Most color schemes by default do not color punctuation scopes and arguably parens are very important in regular expressions, being the indicator for basically anything that's not a literal or a character set.

I could probably assign both scopes though, so that punctuation will win, if it is defined.