IEEE Bushy Tree

Bravo was the first WYSIWYG document preparation computer program. It provided multi-font capability using the bitmap computer display on the Xerox Alto personal computer. It was produced at Xerox PARC by Butler Lampson, Charles Simonyi and colleagues in 1974.

Bravo was a so-called "modal" editor—characters typed on the keyboard were usually commands to Bravo, except when in "insert" or "append" mode, in which case they were entered into the character buffer. Bravo made extensive use of the mouse for marking locations in the text, as well as selecting areas of the text, but it was not used for command entry. (Being at the very dawn of graphical user interface design, a non-command driven interface was judged too ambitious and possibly even inefficient and cumbersome.)

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Word 2008 branch
Preceded by
Xerox Alto
Bravo Followed by