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Related Syntax | ||
operator |
is internal |
Return type: Switch
Returns: A value of true if the entity is an internal entity, and false otherwise.
Syntax
entity ( is | isnt) internal
An entity test that succeeds if the given entity is an internal entity.
is internal
is primarily useful when testing the entities named by the values of entity
or entities
attributes. This test will always return false in an external-text-entity
or external-data-entity
rule.
Related Syntax |
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