SRC Research Report 140

Zippers: A Focus+Context Display of Web Pages

Marc H. Brown and William E. Weihl

This report describes zippers, an application of outline-processor technology to the display of Web pages. Zippers allow users to expand and contract selected sections of a document, thereby displaying simultaneously the contents of individual sections of a document as well as its overall structure. Zippers can be implemented either directly in a Web browser or by a proxy (and consequently used by any off-the-shelf Web browser); in either case, no changes to HTML source files are required.

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