Interested readers might like to read my original submission at https://drafts.csswg.org/css-mixins/ https://drafts.csswg.org/css-mixins/ which details the mixi

Interested readers might like to read my original submission at https://drafts.csswg.org/css-mixins/ https://drafts.csswg.org/css-mixins/ which details the mixin proposal. No idea why it was changed to this earlier daft which does not :-|