Function is_ident_start_sequence

crates/css_lexer/src/syntax/identifier.rs:53–58

(c: char, c2: char, c3: char)

#[inline(always)]
pub fn is_ident_start_sequence(c: char, c2: char, c3: char) -> bool {
	if c == '-' {
		return c2 == '-' || is_ident_start(c2) || is_escape_sequence(c2, c3);
	}
	is_ident_start(c) || is_escape_sequence(c, c2)
}