anchor.diff:  
   /datum/parsed_map
   	var/original_path
  +	var/map_format
   	/// The length of a key in this file. This is promised by the standard to be static
   	var/key_len = 0
  +	/// The length of a line in this file. Not promised by dmm but standard dmm uses it, so we can trust it
  +	var/line_len = 0
  +	/// If we've expanded world.maxx
  +	var/expanded_y = FALSE
  +	/// If we've expanded world.maxy
  +	var/expanded_x = FALSE
   	var/list/grid_models = list()
   	var/list/gridSets = list()
   	/// List of area types we've loaded AS A PART OF THIS MAP
  
positive.code: 			x_target = x_step_count * key_len
  		if(final_x > world.maxx && !cropMap)
  			world.maxx = final_x
  			has_expanded_world_maxx = TRUE
  
  		// We're gonna track the first and last pairs of coords we find
  		// The first x is guarenteed to be the lowest, the first y the highest, and vis versa
  
negative.code: 
  	parsed_bounds = src.bounds
  	src.key_len = key_len
  	src.line_len = line_len
  
  /// Load the parsed map into the world. See [/proc/load_map] for arguments.
  /datum/parsed_map/proc/load(x_offset, y_offset, z_offset, cropMap, no_changeturf, x_lower, x_upper, y_lower, y_upper, placeOnTop, whitelist = FALSE, new_z)
  