Method and system to handle context of interpretation in a document processing language
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United States of America Patent
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Mar 12, 1996
Issued Date -
N/A
app pub date -
Jul 2, 1993
filing date -
Apr 30, 1992
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Abstract
A method and apparatus for processing the hierarchical structure of page description language. Each structure level of the document causes the creation of a prologue data structure which is used to keep track of system parameters. As content portions of the document are being processed, a current context of interpretation data structure is created which is also used to store parameters of the system. The prologue data structure and the current context of interpretation data structure contain pointers relating to context dictionaries, a user dictionary, and a state variable table. The dictionaries are kept track of by using a context stack made up by linked list data structures. It is possible to modify the search order of the context dictionaries by structure or content portions of the document and the linked list data structures keep track of whether the dictionaries were created using the content portions or structure portions.
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