Browser semantics -- graph traversal

Example: LaTeX2HTML

• Tree traversal:
  • top-down left-right (forward book-style)
  • reverse top-down left-right i.e. bottom-up right-left (backward book-style)
  • top-down jump (toc to page, index to page)
• Cross-reference / re-entry:
  • footnote
  • bibliography
  • glossary (and backward ref)