Memory optimizing for re-ordering user edits

Details Memory optimizing for re-ordering user edits Memory optimizing for re-ordering user edits

2011-08-30

2011-08-30

Hutton, Doug (Department: 2176)

Data processing: presentation processing of document, operator i

Presentation processing of document

Edit, composition, or storage control

C715S229000

Reexamination Certificate

active

08010894

ABSTRACT:
The subject invention can track and apply user edits to a source document as a sequence of changes. The changes can be applied in a document or spatial order irrespective of temporal factors. The invention can maintain intervals that represent user operations (e.g., insertions, deletions, zero-net-length changes). As well, the invention can infer a location in the original document that corresponds to a particular operation. In accordance therewith, the invention can arrange temporally sequenced user document modifications into an order consistent with the layout of the document file encoding. This functionality of mapping re-sequenced changes into the original document data representation is one novel feature of the invention. The invention can enable portions of the source document loaded into memory on an as-needed basis whereby changes relevant to the instant portion can be made.

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