Logical versus Visual Design

• The logical design of a document (content) should be separate from its visual design (presentation)

• Separation of logical and visual design

  • promotes sound typography
  • encourages better writing and is more flexible

• HTML mixes the logical with the visual

• Internal Representation of Microsoft Word/PowerPoint will/should be XML while “Save As HTML” should gives its visual rendering in HTML

  • XML structure of Word/PowerPoint can immediately be stored in a relational database
  • Dynamic HTML allows rendering of all features of these products whereas current export of Office products uses static images which are both unnecessarily large and incomplete representation

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