Current languages as layout languages

• HTML: ... somewhere between structure and appearance ...
• Structures:
  • document
  • head, body
  • Blocks:
    • lines/paragraphs
    • lists
    • tables
    • forms
  • Signs
    • letters: - alphanumeric, punctuation, highlights, rules
    • graphics:

      non-interactive: e.g. static and animated gifs

      interactive: links, forms, Java graphics

    • pointers:

      to points/positions

      to beginnings of APPEARANCE SURFACES (pages, subpages,frames)

      typically, but not necessarily, to beginnings of constructs