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. > > ---------------------------------------- > http://redmine.ruby-lang.org/issues/show/2131 > > ---------------------------------------- > http://redmine.ruby-lang.org > >