RE: [xsl] Re: xpath2 functions returning ()

["Michael Kay" <michael.h.kay@xxxxxxxxxxxx>]

> A string is a list (sequence) of characters. The empty string
> is an empty such
> sequence. It is "no character" but it is still a string
> (sequence) -- the empty
> string (sequence).

If you modeled a string as a sequence of characters, then to have a sequence
of strings you would need to allow sequences of sequences; and then you
would need to distinguish between an empty sequence and a sequence whose
only member was an empty sequence. You can't get rid of the problem that
easily!

Mike Kay


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