[Freeciv-Dev] (PR#4691) replace regular_map_pos_is_normal users with native coordinates

["Gregory Berkolaiko" <Gregory.Berkolaiko@xxxxxxxxxxxx>]

[jdorje - Fri Jul 25 20:13:08 2003]:

> This patch removes the regular_map_pos_is_normal macro, and replaces its 
> users (in savegame.c) with native coordinates instead.
> 
> This means the savegames will be stored in native coordinates.  For an 
> iso-map this is a big savings versus using map coordinates since the 
> native coordinates are rectangular.

In SAVE_NORMAL_MAP_DATA, where does y (or nat_y) come from?  Where are
they defined?

G.