hwhw/kindlepdfviewer — pull request #704 by houqp (2013-01-11 17:18:14+00:00)
Title: use last_xpointer to keep reading progress for crereader

adapted from commit https://github.com/houqp/kindlepdfviewer/commit/e7e6a2be9c3258c452a8329db3c2d56638e99480