Originally Posted by kovidgoyal
Ah yes the mobipocket specific tags. I dont intend mobi2oeb to be part of a mobi2mobi toolchain, which is why those elements are not included. As far as I know, hyphens are not required to parse ISBN numbers.
*nod* My project intentions are to create a general-purpose e-book manipulation library, so I'm trying to retain as much data as possible exactly in the original form it was specified except where it multiple established standards come into conflict (e.g. my dates get converted from Mobipocket MM/DD/YYYY to W3C standard YYYY[-MM-DD] as specified by IDPF).