// -*- C++ -*-enum hadjustment {  CENTER_ADJUST,  LEFT_ADJUST,  RIGHT_ADJUST  };enum vadjustment {  NONE_ADJUST,  ABOVE_ADJUST,  BELOW_ADJUST  };struct adjustment {  hadjustment h;  vadjustment v;};struct text_piece {  char *text;  adjustment adj;  const char *filename;  int lineno;  text_piece();  ~text_piece();};