fn convert_name(
oldname: InternedCSName<u8>,
oldmem: &CSInterner<u8>,
newmem: &mut CSInterner<u8>,
) -> InternedCSName<u8>fn convert_name(
oldname: InternedCSName<u8>,
oldmem: &CSInterner<u8>,
newmem: &mut CSInterner<u8>,
) -> InternedCSName<u8>