- properly quote bare element attributes
    - terminates dangling elements (e.g. <img>, <br>, <link>, etc)
    - converts "CVS" to the more HTML-friendly acronym element
    - adds missing type attributes to style elements

  based on Paul Duncan's patch <pabs@pablotron.org> [ruby-core:7028]

* lib/rdoc/generators/html_generator.rb: ditto.
* lib/rdoc/generators/template/html/hefss.rb: ditto.
* lib/rdoc/generators/template/html/html.rb: ditto.
* lib/rdoc/generators/template/html/kilmer.rb: ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@9828 b2dd03c8-39d4-4d8f-98ff-823fe69b080e