The test suite for the tidy extension was written before HTML5 was
"standardized". The new tidy-html5 library will output an HTML5
DOCTYPE in the absence of any other information, so the expected test
outputs have been updated to accomodate the absense of an HTML version
(which is how you declare "HTML5").
amount of confusion when setting Tidy configuration options. All
configuration must now be done pre-parsing of the document. Removed
references to the tidy_attr class, as it is no longer used (since tidy 2.0)
and made tidy throw exceptions for all truly non-fatal errors.
