[TF] world-quitting macro

[rb at tertius.net.au (R. Buchanan)]

I want to redefine the command /quit to give it a different behaviour,
that if there *is* one or more connected worlds, then to /dc from the
current world, and only when there are *no* worlds then to disconnect
from the program.

I'm not sure how to do this one.  I could go 
   /def quit = /dc 
to redefine it in all cases, but how do I check if it's being called in
a world or in a no-world situation??


Thanks in advance,
Ricky&

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