Function eq_ignore_ascii_kebab_case 

pub const fn eq_ignore_ascii_kebab_case(lhs: &[u8], rhs: &[u8]) -> bool

Returns true if lhs and rhs are byte-for-byte equal under ASCII case folding, additionally treating - and _ as equal.

This is the comparison used by rama’s kebab-case name grammars (e.g. flag and scope names), so that snake_case input matches too.