Gypsy (software)
Document preparation system / From Wikipedia, the free encyclopedia
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Gypsy was the first document preparation system based on a mouse and graphical user interface to take advantage of those technologies to virtually eliminate modes. Its operation would be familiar to any user of a modern personal computer. It was the second WYSIWYG document preparation program, a successor to the Bravo on the Xerox Alto personal computer.
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It was designed and implemented at Xerox PARC in 1975 by Larry Tesler and Timothy Mott, with advice from Dan Swinehart and other colleagues. The code was built on Bravo as a base and the developers of Bravo, including Tom Malloy, Butler Lampson and Charles Simonyi provided technical support to the effort. It was produced for use at Ginn & Co., a Xerox subsidiary in Lexington, Massachusetts, which published textbooks.
Drag-through selection, double-click, and cut-copy-paste were quickly adopted by Dan Ingalls for Smalltalk, beginning with Smalltalk-76.[1] The ideas and techniques were refined in the Apple Lisa and Macintosh and spread from there to most modern document preparation systems.