Well for some fics this may not works so well. For example, the Revenge
Wars would read out something like this:

[FFML][CROSSOVER][RANMA][AKO][TENCHI][DANGAIO][GUYVER][ICZER][UY][ROBOTECH/MACROSS][DR
WHO][STAR WARS][STAR TREK][EL HAZARD][AD&D][ID4][SM][HITCHHIKERS GUIDE
TO THE GALAXY][BGC][ETC][ETC][ETC]Revenge Wars - Section I

This is, of course, an extreme case.

Might I suggest, in such an extreme case, the all-encompassing tag of:

[KITCHEN SINK]

<grin>

-- Bob