14 Nov
2007
14 Nov
'07
2:50 p.m.
And if it isn't topo sorted, then what happens? Shouldn't the comment rather be something like : The targets list must be topo sorted, and will stay topo sorted. No. The input list _needn't_ be topo sorted; the algorithm works always (but of course if the input list is not topo sorted, then the output list won't be topo sorted neither). Bye
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