@Override public void unindent(){
  _nextIndent-=_format.getIndent();
  if (_nextIndent < 0)   _nextIndent=0;
  if ((_line.length() + _spaces + _text.length()) == 0)   _thisIndent=_nextIndent;
}

@ Override public void unindent ( ) { _nextIndent -= _format . getIndent ( ) ; if ( _nextIndent < 0 ) _nextIndent = 0 ; if ( ( _line . length ( ) + _spaces + _text . length ( ) ) == 0 ) _thisIndent = _nextIndent ; }
decrement the indentation for the next line .
