code: public boolean nextValidToken() throws IOException {
          while (tokeniser.nextToken()) {
              if (tokeniser.getTokenType() == PRTokeniser.TK_COMMENT)
                  continue;
              return true;
          }
          return false;
      }
docs: Reads the next token skipping over the comments.
  @return <CODE>true</CODE> if a token was read, <CODE>false</CODE> if the end of content was reached
  @throws IOException on error