Hi ruby-core!

It seems matz decided to remove String from Symbol's ancestors 5 days  
ago:

http://www.ruby-lang.org/cgi-bin/cvsweb.cgi/ruby/string.c.diff? 
r1=1.290;r2=1.291;sortby=date;f=h

irb(main):001:0> :symbol.is_a? String
=> false

I wonder why?
There surely is an interesting and enlightening reason for the change :)

[murphy]