(2020-06-02, 22:12)Roland Melkert Wrote: Inventing new metas might be fun, but these kinds of metas (begin end etc) are a nightmare to parse while reading LDraw content.
This discussion may be confusing but I think it arrived to a one or two new metas (depending on whether to support only groups or groups and simple references too) which do not behave like a begin and end but only affect one next line.