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Absent a context--specifically a syntactic instance of XML (a document)--these
apparent isonyms can be said to collide only at the level of universal names.
Since the scope of XML names is by definition constrained to a document,
collision on the universal plane (if such collision might occur at all, or
indeed if such a plane might even be identified with reference to the
definition of XML) is utterly outside both the realm of Bill de hÓra's
question and indeed outside of those questions of naming which can be framed
within the defined terms of XML. Indeed, Bill de hÓra has already directly
addressed your example with his parsing of 'title' into the three occurrences
of markup in which it appears in the Namespaces Rec example.
Respectfully,
Walter Perry
Chiusano Joseph wrote:
> Here are several off the top of my head:
>
> (1) "feet":
>
> - One occurrence could be a string that contains the anatomical
> condition of a foot, perhaps in a list of body parts in a doctor's form;
>
> - Another occurrence could be a distance;
>
> NOTE: I believe that using an element named "feet" is probably not a
> good approach, as it is not sufficiently semantically descriptive -
> especially in the second case, which really should be "Distance" (or
> similar), with an attribute containing the unit of measure.
>
> (2) "title":
>
> - One occurrence could be the title of a book;
>
> - Another occurrence could be a title on a house;
>
> (3) "StateCode" - I think this is the best example of the 3
>
> - One occurrence could be a US state;
>
> - Another occurrence (in a scientific context) could be the state of an
> element (gasous, etc. - I don't recally the other possibilities)
>
> This third example could very well occur in a domain such as the US
> Environmental Protection Agency (EPA).
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