rem: static bool qt_is_cell_in_use( QList<QTextTableCell>& cells, int row, int col )
add: static bool qt_is_cell_in_use( QPtrList<QTextTableCell>& cells, int row, int col )
context: static bool qt_is_cell_in_use( QList<QTextTableCell>& cells, int row, int col ){    for ( QTextTableCell* c = cells.first(); c; c = cells.next() ) {	if ( row >= c->row() && row < c->row() + c->rowspan()	     && col >= c->column() && col < c->column() + c->colspan() )	    return TRUE;    }    return FALSE;}