Concepedia

Abstract

The authors review a large number of document development systems for both text and graphics from the perspectives of source-language and direct-manipulation models. They describe the task domain and discuss the pros and cons of direct-manipulation techniques versus a programming-language source code and of a procedural versus declarative schemes. They then establish a framework for analyzing and designing multiple-representation systems. The central theme is that program constructs and visual feedback are complementary to each other and that a hybrid approach would be most desirable.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">&gt;</ETX>

References

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