Hi Maarten, > Don't take away my hobby project ;-) > I assume you'd traverse the block structure recursively using tail-func > with the block and the last position that was evaluated? > > --Maarten
I am not sure we understand each other. I think, that Andrew meant cyclic blocks like
a: [1]
insert/only a a
I wouldn't use tail-func probably, but you are close.
-L
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