> For example, Pharo says:
> - a progressive, open-source Smalltalk platform for professional use
> - a flexible environment to support the research of new language concepts
> - We will really favor evolutionary and incremental changes. We want to 
> be able to experiment with important new features or libraries.
> - Beauty to learn from
> - Not backward compatible
> - Clean, lean and fast

once we remove from this list general statements like "we want it good 
and nice and better than Squeak" and keep only precise, specific items, 
what is left is:

 > - Not backward compatible

Stef
(... running away real fast towards some place to hide)