Ricardo (from Portugal) also at kozmate.net (in Portuguese). Not sure I'll edit much, so no need for more presentations for now.

** Conversations **

*** [Tcl and octal numbers] ***

[PYK] 2016-04-03:  Hi Ricardo, just wondering what your rationale was for [http://wiki.tcl.tk/_/diff?N=498&V=36&D=35&W=1#diff0%|%this change].  I thought the content made sense.

[RKzn] 2016-04-03: I also think it makes sense, it helped me recently, as I forgot about octals and got that very same "unexpected" behaviour. That is why I read the page with care, and noticed that this was duplicated with the "Misc" section a little below on that page. Curiously, it is so [http://wiki.tcl.tk/_/diff?N=498&V=30&D=29&W=0#diff0%|%since you add it twice some 5 years ago].

[PYK] 2016-0403: Ah, I see.  I've just modified the page to remove the duplicate parts under "Misc" instead.


** Test **
[RKzn] 2016-09-28: the previous proc works provided the first list does not have duplicate elements. Otherwise all elements from the first list that match at least one element from the second list will be included in the result:

======
tcl> lintersect {a b} {a c}
a
tcl> lintersect {a a b} {a c}
a a
======

By the way, lists without duplicates (or ignoring the ones that may exist) can be seen as sets. For those, there are implementations for intersection in [tcllib]: '::[struct::set] intersect' and '::struct::set intersect3'

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