externalRef

externalRef
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Name

externalRef — Reference to an external schema

Synopsis

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

Class

pattern

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

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