Most readers contain hardwired citing styles (often unpopular!) which
cannot be changed. For these readers, you are required to overload the
necessary functions so that they call a hook (i.e.,
mail-yank-hooks) after inserting the original text into the
buffer. This hook can then be set to call sc-cite-original at
the appropriate time.
Once again, note that if you are connecting supercite to either MH-E version 3.7 or VM versions 4.37 and beyond, you do not need overloading and can skip this section.