There are two main strategies that people use for subscribing to
newsgroups:
 1. Subscribe to only the newsgroups you read.
 2. Subscribe to all newsgroups your host receives (sometimes 
    10,000+ newsgroups!).

I prefer the second strategy because then:
 * You can add anything to your seq file and it will be presented
   when you move through news using SPC.

 * You never need to type U to subscribe to a newsgroup.  (Remember
   that if you read a newsgroup that you aren't subscribed to nn
   won't keep track of what you've read and so then the next time you
   go to it you'll be presented all the articles again.)

 * You never (or very rarely) type `nn' and get this response:  
     No News (is good news)


To see the newsgroups you are not subscribed to, type:

  nngrep -u |less

To append these unsubscribed groups to your .newsrc:

 Type
 ====
 cd
 cp .newsrc .newsrc.old
 nngrep -u | sed -e 's/$/:/' -e '/^C/d' >> .newsrc

The cryptic looking last command takes the output of the `nngrep -u'
command and uses sed, a stream editor, to add colon (:) to the end of
each line and then remove any line that starts with a `C' (specifically 
lines that say ``Connecting to NNTP server...'').  It then appends 
these lines to your .newsrc file.

Now start nn and make sure that your .newsrc file wasn't corrupted by
a typo you may have made in the above command.  If it's been
corrupted you will get an error message and you can revert to your
old .newsrc file by typing:

 cp .newsrc.old .newsrc


WARNING: If you directly edit your .newsrc file make sure that you
use an editor that can handle any long lines in your .newsrc.  For
example, if you use pico you should turn autowrap off, i.e., use
`pico -w .newsrc'.  `pico -w' can handle lines up to 128 characters
long.  [Please send me info about other editors that can handle long
lines.]


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