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XLink Processing and Conformance
XML Interview Questions and Answers
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136. XLink Processing and Conformance
Processing Dependencies:
XLink processing depends on [XML], [XML Names], [XML Base], and [IETF RFC 2396]
Markup Conformance:
An XML element conforms to XLink if:
it has a type attribute from the XLink namespace whose value is one of "simple", "extended", "locator", "arc", "resource", "title", or "none", and
it adheres to the conformance constraints imposed by the chosen XLink element type, as prescribed in this specification.
This specification imposes no particular constraints on DTDs; conformance applies only to elements and attributes.
Application Conformance:
An XLink application is any software module that interprets well-formed XML documents containing XLink elements and attributes, or XML information sets [XIS] containing information items and properties corresponding to XLink elements and attributes. (This document refers to elements and attributes, but all specifications herein apply to their information set equivalents as well.) Such an application is conforming if:
it observes the mandatory conditions for applications ("must") set forth in this specification, and
for any optional conditions ("should" and "may") it chooses to observe, it observes them in the way prescribed, and
it performs markup conformance testing according to all the conformance constraints appearing in this specification.
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