- (Created missing setup sections in setup.xml, if any)
- Moved the intro to book.xml
- Changed the intro ID from <extname>.intro to intro.<extname>
- Moved the constants entity to book.xml
- Changed constants.xml to be an appendix
NOTE: The "seealso" section in reference.xml is still there, however
the <section> tags and ID was removed
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@248718 c90b9560-bf6c-de11-be94-00142212c4b1
