Didn't send this somehow. Here is the follow up message too:
   Oh yeah, also filtering by text/* and zipped files (the checked works
   are even less) and i'm joining authors and contributors (so the no
   authors list above is about both, probably there are some that have no
   authors and contributors).
   Do you want me do some simple validators? If you have some rules for
   the schema like one title or at least one creator etc.

   ---------- Forwarded message ----------
   From: Paulo Levi <[1]i30817@gmail.com>
   Date: Mon, Nov 1, 2010 at 12:30 PM
   Subject: Re: [gutvol-p] Re: Quick question about file formats
   To: Marcello Perathoner <[2]marcello@perathoner.de>
   Oh yeah, also filtering by text/* and zipped files (the checked works
   are even less) and i'm joining authors and contributors (so the no
   authors list above is about both, probably there are some that have no
   authors and contributors).
   Do you want me do some simple validators? If you have some rules for
   the schema like one title or at least one creator etc.

References

   1. mailto:i30817@gmail.com
   2. mailto:marcello@perathoner.de