It is quite impossible to make the w_literal(m4) definition files render
properly under w_literal(stx2any).  The reason is that, in order to do
so, we should switch w_literal(m4) processing off within literal blocks,
which we cannot.  (Besides, the end of a literal block is marked by
w_literal(m4) markup.)

w_paragraph`'But anyway, I hope that these files will serve as good
documentation already in source form.  Have fun reading them.
