US PATENT SUBCLASS 707 / 539
.~.~ Block control

Current as of: June, 1999
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707 /   HD  DATA PROCESSING: DATABASE AND FILE MANAGEMENT, DATA STRUCTURES, OR DOCUMENT PROCESSING

500  DF  DOCUMENT PROCESSING {13}
530  DF  .~ Edit, composition, or storage control {4}
539.~.~ Block control

DEFINITION

Classification: 707/539

Block control:

(under subclass 530) Subject matter wherein a subset of elements in a document delineated by a technique of marking such elements is edited.