Fossil

  const char *zWidth = find_option("width","W",1);
  int nLimit = zLimit ? atoi(zLimit) : -1000;   /* Max number of matching
                                                   lines/entries to list */
  int width;
  if( zWidth ){
    width = atoi(zWidth);
    if( (width!=0) && (width<=20) ){
      fossil_fatal("--width|-W value must be >20 or 0");
      fossil_fatal("-W|--width value must be >20 or 0");
    }
  }else{
    width = 79;
  }

  db_must_be_within_tree();
  if( g.argc<2 ) return;