Hi,

In message "Re: Garbage collection of Symbols in future release?"
    on Thu, 17 May 2007 06:20:47 +0900, Sven Suska <sven716rc / suska.org> writes:

|Does the feature list of Ruby 1.9 include
|the garbage collection of Symbols?

No.  It's pretty difficult to detect symbols that can be removed
safely.  If anyone has good idea, I'd love to hear.

							matz.