Browse Prior Art Database

Multiple-Page Display

IP.com Disclosure Number: IPCOM000038963D
Original Publication Date: 1987-Mar-01
Included in the Prior Art Database: 2005-Feb-01
Document File: 1 page(s) / 11K

Publishing Venue

IBM

Related People

Borgendale, K: AUTHOR [+4]

Abstract

Performing the display of multiple pages in a word processing application becomes complicated when the documents created by the word processor are in the format of the Level 3 Document Content Architecture (L3DCA). In L3DCA, a document is a sequentially ordered data stream. It is self-describing and is composed of unformatted text, embedded text processing control, and information-carrying tables. An L3DCA document contains at least one format unit, up to approximately 10,000 text units, and one end unit. The format unit establishes the formatting properties of the document at the global level. It contains the complete set of base-formatting parameters. The text unit contains the text string for one logical page of the document. Each text unit contains formatting information and body text.

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Multiple-Page Display

Performing the display of multiple pages in a word processing application becomes complicated when the documents created by the word processor are in the format of the Level 3 Document Content Architecture (L3DCA). In L3DCA, a document is a sequentially ordered data stream. It is self-describing and is composed of unformatted text, embedded text processing control, and information-carrying tables. An L3DCA document contains at least one format unit, up to approximately 10,000 text units, and one end unit. The format unit establishes the formatting properties of the document at the global level. It contains the complete set of base-formatting parameters. The text unit contains the text string for one logical page of the document. Each text unit contains formatting information and body text. An end unit terminates the document. In order to simultaneously display the end of a first page and the beginning of a second page on the screen, a transform is provided to break up the sequentially ordered data stream into real pages, and a separate file is created for each page. The format unit is processed to execute the base-formatting parameters for each of the pages to be displayed. The text unit for each of the pages to be displayed is separated from the L3DCA document and is formatted in accordance with the format unit parameters. Each page of text to be displayed is then stored in a separate file, in its properly formatted form. Then, consecutive...