equal
  deleted
  inserted
  replaced
  
    
    
    76  1   2   16  | 
    76  1   2   16  | 
    77  1   3   12  | 
    77  1   3   12  | 
    78  2   3   18  | 
    78  2   3   18  | 
    79 \endcode  | 
    79 \endcode  | 
    80   | 
    80   | 
    81 The \c \@edges is just a synonym of \c \@arcs. The @arcs section can  | 
    81 The \c \@edges is just a synonym of \c \@arcs. The \@arcs section can  | 
    82 also store the edge set of an undirected graph. In such case there is  | 
    82 also store the edge set of an undirected graph. In such case there is  | 
    83 a conventional method for store arc maps in the file, if two columns  | 
    83 a conventional method for store arc maps in the file, if two columns  | 
    84 has the same caption with \c '+' and \c '-' prefix, then these columns  | 
    84 has the same caption with \c '+' and \c '-' prefix, then these columns  | 
    85 can be regarded as the values of an arc map.  | 
    85 can be regarded as the values of an arc map.  | 
    86   | 
    86   |