Markup (program)

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Markup was written in 1975 by William Newman. It was the first bitmap graphics editor (i.e., paint program) for the Xerox Alto^[1] written in BCPL.^[2]

Photoshop Branch
Influenced by Xerox Alto	Markup	Influenced Doodle

[1] ttp://www.cs.cmu.edu/~amulet/papers/uihistory.tr.html

[2] ttp://www.digibarn.com/stories/desktop-history/bushytree.html

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