Ulrich Dirr <[log in to unmask]> writes:

>    BTW what happens if you use such fonts in math?

Nothing happens, it works fine, as long as you don't try to use such a
font as the primary symbol font (\fam 2) or the primary extension symbol
font (\fam 3) ... which you are not likely to do anyway because text
fonts don't contain the requisite math symbols for such use.