text: #ifndef           GAP_MAP_H
  #define           GAP_MAP_H
  
  #include          "blobbox.h"
  
  class GAPMAP
  {
    public:
      GAPMAP(  //constructor
             TO_BLOCK *block);
  
      ~GAPMAP () {                 //destructor
        if (map != NULL)
          free_mem(map);
      }
  
      BOOL8 table_gap(               //Is gap a table?
                      inT16 left,    //From here
                      inT16 right);  //To here
  
    private:
      inT16 total_rows;            //in block
      inT16 min_left;              //Left extreme
      inT16 max_right;             //Right extreme
      inT16 bucket_size;           // half an x ht
      inT16 *map;                  //empty counts
      inT16 map_max;               //map[0..max_map]       defind
      BOOL8 any_tabs;
  };
  
  /*-----------------------------*/
  
  extern BOOL_VAR_H (gapmap_debug, FALSE, "Say which blocks have tables");
  extern BOOL_VAR_H (gapmap_use_ends, FALSE,
  "Use large space at start and end of rows");
  extern BOOL_VAR_H (gapmap_no_isolated_quanta, FALSE,
  "Ensure gaps not less than 2quanta wide");
  extern double_VAR_H (gapmap_big_gaps, 1.75, "xht multiplier");
  #endif
  