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is in-library

 
 

Return type: Switch
Returns:       True if the public identifier for the entity being tested is on the #library shelf, and false otherwise. Replacing is with isnt will reverse the results.

Syntax

(entity | notation) (is | isnt) in-library


Purpose

Either an entity or a notation test used to determine whether the program contains, respectively, library rules for the specified entity, or a system identifier of the specified notation.

in-library succeeds only if the entity is an external entity, with a public identifier that is mapped to a system identifier in an OmniMark library declaration.

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OmniMark 9.1.0 Documentation Generated: September 2, 2010 at 1:51:21 pm
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