Merge branch 'NetHack-3.6.2'

src/minion.c

@@ -143,6 +143,8 @@ struct monst *mon;
                 EMIN(mtmp)->renegade =
                     (atyp != u.ualign.type) ^ !mtmp->mpeaceful;
             }
+            if (is_demon(ptr) && canseemon(mtmp))
+                pline("%s appears in a cloud of smoke!", Amonnam(mtmp));
         }
         cnt--;
     }

src/save.c

@@ -1236,6 +1236,8 @@ int fd, mode;
         while ((msg = getmsghistory(init)) != 0) {
             init = FALSE;
             msglen = strlen(msg);
+            if (msglen < 1)
+                continue;
             /* sanity: truncate if necessary (shouldn't happen);
                no need to modify msg[] since terminator isn't written */
             if (msglen > BUFSZ - 1)