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| Data attributes associated with entity attributes | |||||
| Prerequisite Concepts | |||||
In external-data-entity rules, the attributes of the entity that triggered the rule are referred to using the attribute herald.
Entities named in ENTITY and ENTITIES attributes may also have data attributes. To differentiate these attributes from the attributes that belong to the current element or external entity being processed, the data attributes that belong to an ENTITY or ENTITIES attribute item are heralded with the keyword data-attribute.
The keyword data-attribute can be used in the same way that attribute is used elsewhere. The data attribute name must always be followed by of and, in parentheses, the identification of the attribute value or item containing the entity name.
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Prerequisite Concepts Attributes |
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