Prerequisite Concepts
XML/SGML objects

OmniMark provides powerful query facilities for retrieving information about the current SGML or XML context. The following information is available:

• the value of the APPINFO string in the SGML declaration, if specified (only available when processing SGML documents)
• the name of the DOCTYPE element of the current document instance
• the name of any currently open elements
• the attribute values of any of the currently open elements
• the names of any elements which immediately preceded the currently open elements
• the type of content that immediately preceded any of the currently open elements
• the public identifier, system identifier, notation, or the data attributes of any entity referenced by an ENTITY attribute or any currently open element
• the public identifier or system identifier of any notation referenced by a NOTATION attribute of any currently open element
• the name of the current external text or data entity, if any
• the public identifier, system identifier, notation, or the data attributes of the current external text or data entity

In addition, OmniMark also provides:

• a data structure that represents the stack of currently open elements, allowing you to make complex queries about, and to iterate over all open elements
• data structures that represent the declared and specified attributes of each currently open element, allowing you to make complex queries about, and to iterate over the attributes

Prerequisite Concepts      Aided translation types

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