Hi,

In message "Re: Symbols garbage collector in Ruby1.9, fixed?"
    on Mon, 30 Mar 2009 21:16:00 +0900, Brian Candler <b.candler / pobox.com> writes:

|It's not "solved" in 1.9, because this is intentional and necessary 
|behaviour.

Garbage collection for Symbols is planned, but not implemented yet.
It's not an easy task.

							matz.