for encoding changes. This should be the case on all 1.8 installations.
When it isn't found (<1.6), the native REXML encoding mechanism is used.
This cleaned out some files, and tightened up the code a bit; and iconv
should be faster than the pure Ruby code.
* Changed deprecated assert_not_nil to assert throughout the tests.
* Parse exceptions are a little more verbose, and extend RuntimeError.
* Bug fixes to XPathParser
* The Light API is still shifting, like the sands of the desert.
* Fixed a new Ruby 1.8.0 warning, added some speed optimizations, and
tightened error reporting in the base parser
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4737 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
