In article <3a6edafc$1@news.povray.org>, tom### [at] tomandlucouk says...
> IMHO, no. Each point is either inside or outside the set. The boundary has
> no special significance in that sense. The only point about the boundary is
> that it represents the area of least certainty - you can never be sure if,
> with one more iteration, a point might suddenly turn out to be outside the
> set.
Hm, it seems I will have to read more about this subject. The only 
somewhat thorough and also difficult book I have is the one by Peitgen 
and Richter :-))
-- 
Regards,  Sander

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