SAX2 SAX2 XML Parsing API with namespaces and base URI support. A class providing a SAX2 XML parsing API with XML namespaces and XML base support. @user_data: @error_handlers: @Returns: @sax2: @user_data: @xml_element: @user_data: @xml_element: @user_data: @xml_element: @s: @len: @user_data: @xml_element: @s: @len: @user_data: @xml_element: @s: @user_data: @entityName: @base: @systemId: @publicId: @notationName: @user_data: @context: @base: @systemId: @publicId: @Returns: @sax2: @handler: @sax2: @handler: @sax2: @handler: @sax2: @handler: @sax2: @handler: @sax2: @handler: @sax2: @handler: @sax2: @handler: @sax2: @base_uri: @sax2: @buffer: @len: @is_end: @Returns: @sax2: @Returns: @sax2: @Returns: