that your SaxFilters can (optionally) implement Note: this class is never actually used anywhere - just for documentation
void close( string &$tag)
void data( string &$data)
void endDoc( )
void escape( string &$data)
void jasp( string &$data)
void open( string &$tag, array &$attribs)
void pi( string &$target, string &$instruction)
void startDoc( )