Something like:

  Ranma and company beat each other up some more.  Ranma gets cured
with a ancient ritual.

That is, just enough to identify it to someone who has already read it
but can't remember the title.

It would be much more useful if it included the plot type the way Ranma 
guide does. And that would only add two or three words. It has to be 
useful for looking for new stories to read, not just identifying ones 
already read. The text files are small enough that to do that by 
downloading files is not that hard. If I can find all the works by a 
particular author, and avoid all the stories of <plot type X>, then I'd 
really value it.