Examples of usage of text and idioms are given in seriffed fonts.
Comments on the utilisation and the parts of speech, ie. the
annotation itself, needs to be rendered in a sans-serif font.
It doesn't really matter which: universe, avant-garde, helvetica,
geneva, etc.
So, we have the notions of "text" and "meta-text", ie. text on
the text itself. Bold and italic aren't sufficient for denoting
the difference. The meta-text itself can in turn be <strong> or
<em>...
Can we introduce a new mechanism? <ss> (for sans-serif)?
-Philip