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Definitive VoiceXML™ by David Cuddihy, Adam Hocek

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3.47. ruleref

Element typeruleref
Attributesspecial | tag | uri | xml:lang
Parentsitem | rule
Childrentag
DescriptionAllows a rule expansion to refer to an existing rule element as part of its definition. This element allows for the development of reusable rules.

DTD

<!ELEMENT ruleref (tag) >
<!ATTLIST ruleref
  uri      CDATA   #IMPLIED
  special  CDATA   #IMPLIED
  xml:lang NMTOKEN #IMPLIED
  tag      CDATA   #IMPLIED >

Language model

Attributes

special : CDATA

Indicates that this rule reference points to a “built-in,” rule. The special rules currently supported are #NULL, #VOID, and #GARBAGE.

tag : CDATA

Specifies the action to be taken if this rule reference participates ...

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