diff -Nur -Xfreeciv/diff_ignore rawciv/client/civclient.c freeciv/client/civclient.c
--- rawciv/client/civclient.c	Wed Apr 25 06:34:41 2001
+++ freeciv/client/civclient.c	Mon Aug 27 00:36:08 2001
@@ -540,3 +540,15 @@
 
 void dealloc_id(int id); /* double kludge (suppress a possible warning) */
 void dealloc_id(int id) { }/* kludge */
+
+/***************************************************************
+Only for use on the client side
+***************************************************************/
+enum known_type tile_is_known(int x, int y)
+{
+  return (enum known_type) (((map.tiles+map_adjust_x(x)+
+           map_adjust_y(y)*map.xsize)->known));
+}
+
+
+
diff -Nur -Xfreeciv/diff_ignore rawciv/client/civclient.h freeciv/client/civclient.h
--- rawciv/client/civclient.h	Wed Apr 25 06:34:42 2001
+++ freeciv/client/civclient.h	Mon Aug 27 00:36:27 2001
@@ -30,6 +30,8 @@
 
 void client_remove_cli_conn(struct connection *pconn);
 
+enum known_type tile_is_known(int x, int y);
+
 extern int turn_gold_difference;
 extern int seconds_to_turndone;
 extern int last_turn_gold_amount;
diff -Nur -Xfreeciv/diff_ignore rawciv/client/climisc.c freeciv/client/climisc.c
--- rawciv/client/climisc.c	Fri Aug 24 08:19:16 2001
+++ freeciv/client/climisc.c	Mon Aug 27 00:45:30 2001
@@ -39,6 +39,7 @@
 #include "packets.h"
 #include "support.h"
 
+#include "civclient.h"
 #include "clinet.h"
 #include "chatline_g.h"
 #include "citydlg_g.h"
diff -Nur -Xfreeciv/diff_ignore rawciv/client/gui-gtk/citydlg.c freeciv/client/gui-gtk/citydlg.c
--- rawciv/client/gui-gtk/citydlg.c	Wed Aug 22 06:58:04 2001
+++ freeciv/client/gui-gtk/citydlg.c	Mon Aug 27 00:48:08 2001
@@ -51,6 +51,7 @@
 #include "wldlg.h"
 
 #include "citydlg.h"
+#include "civclient.h"
 
 #include "cityicon.ico"
 
diff -Nur -Xfreeciv/diff_ignore rawciv/client/tilespec.c freeciv/client/tilespec.c
--- rawciv/client/tilespec.c	Fri Aug 24 08:19:17 2001
+++ freeciv/client/tilespec.c	Mon Aug 27 00:43:28 2001
@@ -42,6 +42,7 @@
 #include "support.h"
 #include "unit.h"
 
+#include "civclient.h" /* for tile_is_known */
 #include "control.h" /* for fill_xxx */
 #include "graphics_g.h"
 #include "options.h" /* for fill_xxx */
@@ -891,7 +892,7 @@
   if(city_unhappy(pcity))
     *sprs++ = sprites.city.disorder;
 
-  if(ptile->known==TILE_KNOWN_FOGGED && draw_fog_of_war)
+  if(tile_is_known(pcity->x, pcity->y)==TILE_KNOWN_FOGGED && draw_fog_of_war)
     *sprs++ = sprites.tx.fog;
 
   /* Put the size sprites last, so that they are not obscured
@@ -1083,7 +1084,7 @@
     return -1;
 
   ptile = map_get_tile(x, y);
-  if (!ptile->known)
+  if (!tile_is_known(x, y))
     return -1;
 
   pcity = ptile->city;
@@ -1303,7 +1304,7 @@
 
   ptile=map_get_tile(abs_x0, abs_y0);
 
-  if(abs_y0>=map.ysize || ptile->known == TILE_UNKNOWN) {
+  if(abs_y0>=map.ysize || tile_is_known(abs_x0, abs_y0) == TILE_UNKNOWN) {
     return 0;
   }
 
@@ -1527,7 +1528,7 @@
   if(tspecial & S_AIRBASE && draw_fortress_airbase) *sprs++ = sprites.tx.airbase;
   if(tspecial & S_POLLUTION && draw_pollution) *sprs++ = sprites.tx.pollution;
   if(tspecial & S_FALLOUT && draw_pollution) *sprs++ = sprites.tx.fallout;
-  if(ptile->known==TILE_KNOWN_FOGGED && draw_fog_of_war) *sprs++ = sprites.tx.fog;
+  if(tile_is_known(abs_x0, abs_y0)==TILE_KNOWN_FOGGED && draw_fog_of_war) *sprs++ = sprites.tx.fog;
 
   if(!citymode) {
     tileno = INDEX_NSEW((tile_is_known(abs_x0, abs_y0-1)==TILE_UNKNOWN),
@@ -1716,7 +1717,7 @@
   struct unit *punit;
   struct city *pcity;
 
-  if(!ptile->known) {
+  if(!tile_is_known(x, y)) {
     color=COLOR_STD_BLACK;
   } else if((pcity=map_get_city(x, y))) {
     if(pcity->owner==game.player_idx)
diff -Nur -Xfreeciv/diff_ignore rawciv/common/map.c freeciv/common/map.c
--- rawciv/common/map.c	Wed Aug 22 06:58:12 2001
+++ freeciv/common/map.c	Mon Aug 27 00:35:21 2001
@@ -1249,16 +1249,6 @@
   (map.tiles+map_adjust_x(x)+map_adjust_y(y)*map.xsize)->city=pcity;
 }
 
-
-/***************************************************************
-Only for use on the client side
-***************************************************************/
-enum known_type tile_is_known(int x, int y)
-{
-  return (enum known_type) (((map.tiles+map_adjust_x(x)+
-	   map_adjust_y(y)*map.xsize)->known));
-}
-
 /***************************************************************
   Are (x1,y1) and (x2,y2) really the same when adjusted?
   This function might be necessary ALOT of places...
diff -Nur -Xfreeciv/diff_ignore rawciv/common/map.h freeciv/common/map.h
--- rawciv/common/map.h	Mon Aug 20 07:01:31 2001
+++ freeciv/common/map.h	Mon Aug 27 00:36:58 2001
@@ -211,7 +211,6 @@
 void map_set_special(int x, int y, enum tile_special_type spe);
 void map_clear_special(int x, int y, enum tile_special_type spe);
 void tile_init(struct tile *ptile);
-enum known_type tile_is_known(int x, int y);
 int check_coords(int *x, int *y);
 int is_real_tile(int x, int y);
 int normalize_map_pos(int *x, int *y);