fn do_spec<'a, Pos: StringPosition, T: FromLaTeXToken<'a, Pos>, State: ParserState<'a, Pos, T>>(
spec: &str,
m: &mut Macro<'a, Pos>,
parser: &mut LaTeXParser<'a, Pos, T, State>,
)fn do_spec<'a, Pos: StringPosition, T: FromLaTeXToken<'a, Pos>, State: ParserState<'a, Pos, T>>(
spec: &str,
m: &mut Macro<'a, Pos>,
parser: &mut LaTeXParser<'a, Pos, T, State>,
)