STANFORD UNIVERSITY TECHNICAL REPORTS For copies of the reports here, please provide your name and address. Specify the number(s) of the report(s) you wish to purchase and specify whether hardcopy or microfiche. California Residents must add the sales tax of their own local county. Enclose a check or money order made payable to Stanford University. Foreign Orders must include $1.00 extra for each $15.00's worth of reports to cover postage. Checks must be drawn on a U.S. bank, payable in U.S. dollars. COMPUTER SYSTEMS LABORATORY Stanford University Stanford, CA 94305-4055 E-mail: schulman@ sierra, stanford.edu 415-723-1430 Generalized Graphical Object Editing John M. Vlissides CSL-TR-90-427, June 1990, 166 pp. $16.28 hardcopy, $2 microfiche Many editors use the graphics capabilities of personal workstations to provide a visual editing environment. Such editors present graphical representations of familiar objects and allow the user to manipulate the representations directly. This style of interaction is usually more intuitive to the user than typing statements in a command language. However, implementing a graphical object editor has been a difficult undertaking. Though many packages exist that aid in the construction of graphical user interfaces, none are designed specifically for building graphical object editors. This is significant because
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