externalRef

externalRef
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Name

externalRef — Reference to an external schema

Class:

pattern

Synopsis

element externalRef
{
   attribute href { xsd:anyURI },
   (
      attribute ns { text }?,
      attribute datatypeLibrary { xsd:anyURI }?,
      attribute * - (rng:* | local:*) { text }*
   ),
   ( element * - rng:* { ... }* )
}

May be included in:

attribute, choice, define, element, except, group, interleave, list, mixed, oneOrMore, optional, start, zeroOrMore.

Compact syntax equivalent:

external

Description:

The externalRef pattern is a reference to an external schema. It has the same effect as replacing the externalRef pattern with the external schema, which is treated as a pattern.

Example:

      <element name="book">
        <externalRef href="book.rng"/>
      </element>
      
      <element xmlns="http://relaxng.org/ns/structure/1.0" name="university">
       <element name="name">
        <text/>
       </element>
       <externalRef href="flat.rng"/>
      </element>

Attributes:

datatypeLibrary: The datatypeLibrary attribute defines the default datatype library. The value of datatypeLibrary is inherited.
href: The href attribute defines the location of the external schema.
ns: The ns attribute defines the default namespace for the elements defined in a portion of a schema. The value of ns is inherited.

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