Be careful about mar77i's patches.

config.def.h

@@ -138,8 +138,8 @@ static Key key[] = {
 	{ XK_KP_Delete,     ControlMask,    "\033[3;5~",    +1,    0,    0},
 	{ XK_KP_Delete,     ShiftMask,      "\033[2K",      +1,    0,    0},
 	{ XK_KP_Delete,     ShiftMask,      "\033[3;2~",    -1,    0,    0},
-	{ XK_KP_Delete,     XK_ANY_MOD,     "\033[3~",      -1,    0,    0},
-	{ XK_KP_Delete,     XK_ANY_MOD,     "\033[P",       +1,    0,    0},
+	{ XK_KP_Delete,     XK_ANY_MOD,     "\033[P",       -1,    0,    0},
+	{ XK_KP_Delete,     XK_ANY_MOD,     "\033[3~",      +1,    0,    0},
 	{ XK_KP_Multiply,   XK_ANY_MOD,     "\033Oj",       +2,    0,    0},
 	{ XK_KP_Add,        XK_ANY_MOD,     "\033Ok",       +2,    0,    0},
 	{ XK_KP_Enter,      XK_ANY_MOD,     "\033OM",       +2,    0,    0},
@@ -194,8 +194,8 @@ static Key key[] = {
 	{ XK_Delete,        ControlMask,    "\033[3;5~",    +1,    0,    0},
 	{ XK_Delete,        ShiftMask,      "\033[2K",      +1,    0,    0},
 	{ XK_Delete,        ShiftMask,      "\033[3;2~",    -1,    0,    0},
-	{ XK_Delete,        XK_ANY_MOD,     "\033[3~",      -1,    0,    0},
-	{ XK_Delete,        XK_ANY_MOD,     "\033[P",       +1,    0,    0},
+	{ XK_Delete,        XK_ANY_MOD,     "\033[P",       -1,    0,    0},
+	{ XK_Delete,        XK_ANY_MOD,     "\033[3~",      +1,    0,    0},
 	{ XK_Home,          ShiftMask,      "\033[1;2H",     0,    0,    0},
 	{ XK_Home,          XK_ANY_MOD,     "\033[H",        0,   -1,    0},
 	{ XK_Home,          XK_ANY_MOD,     "\033[1~",       0,   +1,    0},

st.c

@@ -2742,12 +2742,13 @@ kmap(KeySym k, uint state) {
 				continue;
 			if(term.numlock && kp->appkey == 2)
 				continue;
-		} else if (kp->appkey < 0 && IS_SET(MODE_APPKEYPAD)) {
+		} else if(kp->appkey < 0 && IS_SET(MODE_APPKEYPAD)) {
 			continue;
 		}
 
 		if((kp->appcursor < 0 && IS_SET(MODE_APPCURSOR)) ||
-				(kp->appcursor > 0 && !IS_SET(MODE_APPCURSOR))) {
+				(kp->appcursor > 0
+				 && !IS_SET(MODE_APPCURSOR))) {
 			continue;
 		}