I agree.

On Sep 22, 2009, at 11:13 AM, James M. Lawrence wrote:

> Issue #2131 has been updated by James M. Lawrence.
>
>
> This should have been classified as a feature request.
>
> Since (not x) is legal syntax, it is my opinion that f(not x) should  
> be legal.
>
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> http://redmine.ruby-lang.org/issues/show/2131
>
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> http://redmine.ruby-lang.org
>
>