Module LibXML

• activesupport/lib/active_support/xml_mini/libxml.rb
• activesupport/lib/active_support/xml_mini/libxmlsax.rb
• activesupport/test/core_ext/hash_ext_test.rb
• activesupport/test/xml_mini/libxml_engine_test.rb
• activesupport/test/xml_mini/libxmlsax_engine_test.rb