Guido had written -

Until you have introspected enough to come up with an example I do not consider your testimony enough to change the >language. I think that is fair too.

Unfortunately for all concerned I do try to continue to introspect. And will continue to express what I am coming up. And note as a side comment that this (the Python world) is the only forum in which I ever elected to consistently and unabashedly make a spectacle of myself. And I'm not a kid. Maybe its something about being a fish out of water - or perhaps I can be kinder to myself and point to the peculiarities of the forum. Not that I am not having fun, BTW. And what I'm zenning up from the nether regions is something to the effect that the centrality of the concept of copy is centrality in the negative. It is difficult to understand, at the beginning, what one is doing when doing a=b. And one way to begin to understand what that is, is to understand what that is not. With no "copy" clearly on the scene with which to coontrast, that particular important distinction does not have the opportunity to emerge. As I piece it together. Art