I don't care about epub files and such, at least, not yet. On Sat, Oct 30, 2010 at 6:00 PM, Paulo Levi <[1]i30817@gmail.com> wrote: Another quick question :) Are the rules for creating a download url from the "file" tag in the rdf catalog consistent? let's say i have a html and zipped file, of #etext15560 , in this case the download link is &f;dirs/1/5/5/6/15560/15560-h.zip The way to recreate from the arguments is obvious (if lengthy), but i seem to recall it changed before - is there a algorithm that always gives a "valid" link, or should i just give up compressing this and include the link in my db? References 1. mailto:i30817@gmail.com