public void comment(String comment){
  spacing();
  m_out.print("<!-- ");
  m_out.print(comment);
  m_out.print(" -->");
  println();
}

public void comment ( String comment ) { spacing ( ) ; m_out . print ( "<!-- " ) ; m_out . print ( comment ) ; m_out . print ( " -->" ) ; println ( ) ; }
print a comment in the xml document . the comment will be printed according to the current spacing and followed by a newline .
