Processes a text node.
Syntax
characters(
   data STRING )
- data is the content of the text node.
Usage
The characters() method processes a text node with the SAX interface.
Note: Make sure that the strings passed to the method do not contain
                        illegal XML characters: Illegal XML characters will be silently ignored.
                        Illegal XML characters are any character below space (ASCII 32), except \r
                        (ASCII 13), \n (ASCII 10) and \t (ASCII 9).