Added richer intradocument hyperlinking and fixed formatting errors.
Merge branch 'master' of github.com:oreillymedia/HTMLBook into gh-pages
Merge pull request #135 from oreillymedia/gh-pages

Updated spec document formatting
Merge pull request #136 from oreillymedia/labels

Proper labeling for formal elements nested in parts
Merge pull request #137 from oreillymedia/labels

Improved default handling of NCX/OPF identifiers
Fixed bugs in handling of formal object labeling (figure/table/example) in use cases with Parts.