…ad of doing a create/remove dance.
The uncompressed version was being overwritten by a compressed version by the recursive second stage zip run when generating sicp.epub.
* Use max compression * Don't generate directory entries * Don't generate extended attributes
See section 4 of the OCF 1.0 specification: http://old.idpf.org/ocf/ocf1.0/download/ocf10.htm#_Ref134878301 .
… pretty but it works