> I wonder how you would end up putting a duplicate object into a children
> list; never fell into that pit.

I fell into that pit by trying the following: I wanted to present the one 
widget twice on the client by "splitting-mirroring" its visual behaviour in 
the same page but in two different locations (Start and end of the page). 
For example I would like for all my pages to render a widget as header and 
as footer. It should be the same widget because it is the same data I want 
to present. I just want to present it in 2 locations. So why creating 
another widget and having to synchronise its contents?
 
Would that be a legit case?

>  * composite is deprecated, just use (make-instance 'widget :children 
(...))

Ah didnt know that.

>  * what do you mean by "in composite definition"?

I meant check for duplicate children in the code for the composite widget, 
but it was a dump suggestion anyway. Should be handled in lowest possile 
level.

>  * not taking your answer to the above into account: it should probably
    go into (setf widget-children)

Absolutely. 

> Hope that helps. :) Thanks for your interest in Weblocks!

No, thank you and the other contributors for the framework :)

>

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