actually i wouldn't even dare try to estimate the unique titles here. RSE is right, there are the ombnibus editions which skew in one direction, and then there are the different formats, which skew in the opposite direction. especially since i believe at first there was *only* the lrf format, so that one has a very big headstart, and others were added progressively. i think the most recent one to get its own subforum is the imp format. and next will be the epub format. and not everyone learns to make all formats, some people make only one format. so the distribution is rather erratic i think.
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