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HLink vs. XLink

Why is XHTML not using XLink?

The problem:

  • we want a general mechanism for identifying links
  • ...but we want full control when designing the syntax of the host languages
When integrating XLink in a host language, the use of the XLink namespace makes a mess.

HLink: a recent alternative to XLink

  • same underlying ideas
  • different syntax
Example HLink: Definition of the link semantics of <a href="..."> elements in XHTML. 

<hlink namespace="http://www.w3.org/1999/xhtml"
       element="a"
       locator="@href"
       effect="replace"
       actuate="onRequest"
       replacement="@target"/>

13 September 2002: W3C's HTML Working Group publishes HLink draft for intended use in XHTML 2.0

24 September 2002: W3C's Technical Architecture Group rejects HLink in favor of XLink for the design of XHTML 2.0

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