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   If you have a directory that has lots of articles in separate files
in it, you might treat it as a newsgroup.  The files have to have
numerical names, of course.

   This might be an opportune moment to mention `ange-ftp' (and its
successor `efs'), that most wonderful of all wonderful Emacs packages.
When I wrote `nndir', I didn't think much about it--a back end to read
directories.  Big deal.

   `ange-ftp' changes that picture dramatically.  For instance, if you
enter the `ange-ftp' file name `/ftp.hpc.uh.edu:/pub/emacs/ding-list/'
as the directory name, `ange-ftp' or `efs' will actually allow you to
read this directory over at `sina' as a newsgroup.  Distributed news
ahoy!

   `nndir' will use NOV files if they are present.

   `nndir' is a "read-only" back end--you can't delete or expire
articles with this method.  You can use `nnmh' or `nnml' for whatever
you use `nndir' for, so you could switch to any of those methods if you
feel the need to have a non-read-only `nndir'.