HTML tags inside

Question

I have a table in a page that consists of checkboxes in the cells on the left and descriptions in the cells on the right. The \"description\" contains h4 headers and plain t

Answer 1

Only inline elements (except other label elements) may appear inside label elements.

— http://www.w3.org/TR/html4/interact/forms.html#h-17.9.1

It doesn't make sense to put headings there anyway.