Namespace prefixes optional?

Bob Kline bkline at
Thu Jan 6 19:06:23 GMT 2000

I'm still trying to absorb all of the intricacies of namespaces, and I
can see I have a long way to go.  I'm looking at the XLink
recommendation ( and I see the following:

  A sample set of declaration for a series of elements that use the
  type attribute might look as follows:

    <!ELEMENT student EMPTY>
    <!ATTLIST student
      xlink:type     (locator)     #FIXED "locator"
      xlink:href     CDATA         #REQUIRED
      xlink:role     NMTOKEN       #FIXED "student"
      xlink:title    CDATA         #IMPLIED
    . . . .

  The following example shows how an XML document using these
  declarations might look:

      title="Pat Jones" />
    . . . .

Does this mean that once the namespace prefix has been declared in the
DTD the parsers understand that (for example) "href" really means
"xlink:href" (and therefore this sample document will be valid)?

Bob Kline
mailto:bkline at

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