diff -ru fvwm-2.5.10/fvwm/fvwm.h fvwm-2.5.10.new/fvwm/fvwm.h
--- fvwm-2.5.10/fvwm/fvwm.h	2004-02-16 13:45:59.000000000 +0000
+++ fvwm-2.5.10.new/fvwm/fvwm.h	2004-06-20 14:39:58.216434336 +0100
@@ -467,8 +467,9 @@
 #define PLACE_TILECASCADE       0x5
 #define PLACE_CASCADE_B         0x6
 #define PLACE_MINOVERLAP        0x7
-#define PLACE_MASK              0x7
-	unsigned placement_mode : 3;
+#define PLACE_CENTER			0x8
+#define PLACE_MASK              0xF
+	unsigned placement_mode : 4;
 	unsigned ewmh_placement_mode : 2; /* see ewmh.h */
 #define WS_CR_MOTION_METHOD_AUTO CR_MOTION_METHOD_AUTO
 #define WS_CR_MOTION_METHOD_USE_GRAV CR_MOTION_METHOD_USE_GRAV
diff -ru fvwm-2.5.10/fvwm/placement.c fvwm-2.5.10.new/fvwm/placement.c
--- fvwm-2.5.10/fvwm/placement.c	2004-03-17 16:57:50.000000000 +0000
+++ fvwm-2.5.10.new/fvwm/placement.c	2004-06-20 14:50:54.759624600 +0100
@@ -898,6 +898,20 @@
 	reason->pos.algo = placement_mode;
 	switch (placement_mode)
 	{
+       case PLACE_CENTER:
+               attr_g->x = (screen_g.width - fw->frame_g.width) / 2;
+               attr_g->y = ((screen_g.height - fw->frame_g.height) / 2) + fw->title_thickness;
+
+               /* Don't let the upper left corner be offscreen. */
+               if (attr_g->x < PageLeft)
+               {
+                       attr_g->x = PageLeft;
+               }
+               if (attr_g->y < PageTop)
+               {
+                       attr_g->y = PageTop;
+               }
+               break;
 	case PLACE_TILEMANUAL:
 		flags.is_smartly_placed = SmartPlacement(
 			fw, &screen_g, fw->frame_g.width, fw->frame_g.height,
@@ -1785,6 +1799,9 @@
 
 		switch (reason->pos.algo)
 		{
+		case PLACE_CENTER:
+			a = "Center";
+            break;
 		case PLACE_TILEMANUAL:
 			a = "TileManual";
 			break;
diff -ru fvwm-2.5.10/fvwm/style.c fvwm-2.5.10.new/fvwm/style.c
--- fvwm-2.5.10/fvwm/style.c	2004-02-16 13:45:59.000000000 +0000
+++ fvwm-2.5.10.new/fvwm/style.c	2004-06-20 14:41:07.428912440 +0100
@@ -2096,7 +2096,13 @@
 		break;
 
 	case 'c':
-		if (StrEquals(token, "CascadePlacement"))
+		if (StrEquals(token, "CenterPlacement"))
+		{
+			ps->flags.placement_mode = PLACE_CENTER;
+			ps->flag_mask.placement_mode = PLACE_MASK;
+			ps->change_mask.placement_mode = PLACE_MASK;
+		}
+		else if (StrEquals(token, "CascadePlacement"))
 		{
 			ps->flags.placement_mode = PLACE_CASCADE;
 			ps->flag_mask.placement_mode = PLACE_MASK;