diff -urN jnethack-cvs/src/zap.c jnethack/src/zap.c
--- jnethack-cvs/src/zap.c	2003-09-11 14:30:21.000000000 +0900
+++ jnethack/src/zap.c	2003-09-11 15:20:40.000000000 +0900
@@ -3433,6 +3433,10 @@
 xchar sx, sy;
 {
 	int dam = 0;
+#if 0 /* JP */
+#else
+	char buf[BUFSZ];
+#endif
 
 	switch (abs(type) % 10) {
 	case ZT_MAGIC_MISSILE:
@@ -3528,8 +3532,14 @@
 		You("影響を受けない．");
 		break;
 	    }
 	    killer_format = KILLED_BY_AN;
+#if 0 /* JP */
 	    killer = fltxt;
+#else
+	    Strcpy(buf, "死の光線によって");
+	    killer = buf;
+#endif
 	    /* when killed by disintegration breath, don't leave corpse */
 	    u.ugrave_arise = (type == -ZT_BREATH(ZT_DEATH)) ? -3 : NON_PM;
 	    done(DIED);
@@ -3576,7 +3586,13 @@
 	if (Half_spell_damage && dam &&
 	   type < 0 && (type > -20 || type < -29)) /* !Breath */
 	    dam = (dam + 1) / 2;
+#if 0 /* JP */
 	losehp(dam, fltxt, KILLED_BY_AN);
+#else
+	Strcpy(buf, fltxt);
+	Strcat(buf, "によって");
+	losehp(dam, buf, KILLED_BY_AN);
+#endif
 	return;
 }