public void printText( char ch )
public void printText( String text ) throws IOException
    public void printText( char ch )    {        try {            if ( _pos == BufferSize ) {                _writer.write( _buffer );                _pos = 0;            }            _buffer[ _pos ] = ch;            ++_pos;        } catch ( IOException except ) {            // We don't throw an exception, but hold it            // until the end of the document.            if ( _exception == null )                _exception = except;        }    }