Hi Ronie,

These visualizations look great!  But I don’t know what they /mean/.    When 
one hovers the mouse over the visualizations, does help text appear explaining 
what one is looking at?  For example, I guess that the red and green segments 
in “Lines of Code” refer to lines deleted and added.  But what are the green 
and yellow for “Classes”.   And what’s a “Function” in Pharo?

The more complicated diagram for “Roassal2” I can’t even begin to guess at!  
Don’t make the mistake of thinking that because you know what the diagram 
means, after working on it for months, that other programmers will also know.

        Andrew


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