2
ottocol: no, I didn't find that information personally. It came from the author of the FB2 plugin and now is discussed at the russian V3 users comunity:
http://the-ebook.org/forum/viewforum.php?f=24, and, particulary
http://the-ebook.org/forum/viewtopic.php?t=7509 and
http://the-ebook.org/forum/viewtopic.php?t=7858 (sorry, these threads are in Russian, you need to use some online translator).