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The more I delve into the XLink 1.0 Recommendation the less clear the purpose
and value of the so-called "locator-type" element becomes.
The main (only significant?) purpose of a locator-type element seems to be to
hold an xlink:href attribute.
If the specification for the xlink:from and xlink:to attributes on an
arc-type element were amended from allowing an NCName to a URI it seems to me
that the locator-type element and its xlink:href attribute could be dispensed
with.
If it was felt important to retain the information specified by the
xlink:role attribute on a locator-type element then an arc-type element could
be allowed to have xlink:rolefrom and xlink:roleto attributes.
The continuing use of locator-type elements seems to me to be unnecessarily
verbose and provide more indirection than is relevant for the uses that I can
currently envisage.
Andrew Watt
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