> However, here is a good explanation of Symbols in general. This is a
> common question, as you can probably imagine: http://onestepback.org/
> index.cgi/Tech/Ruby/SymbolsAreNotImmutableStrings.red

Thank you for posting this. I've wondered about this many times, and
this is the best explanation I've seen.

-- 
Giles Bowkett
http://www.gilesgoatboy.org