A system and method processes selected regions in an electronic text to edit the selected region on a continuous basis, without destroying the original highlighting and forcing the user to re-bracket the entire section. The user can extend, retract, and separate selected regions. These selected regions...http://www.google.de/patents/US6683631?utm_source=gb-gplus-sharePatent US6683631 - System and method for selecting and deselecting information in an electronic document
