passthrough unmatched keys

strans.c

@@ -185,10 +185,8 @@ transmap(Im *im, Rune c)
 		e.s = im->pre;
 	sclear(&key);
 	sputr(&key, c);
-	if(!maplookup(t, &key, &e.dict)){
-		sputr(&e.s, c);
+	if(!maplookup(t, &key, &e.dict))
 		return e;
-	}
 	e.eat = 1;
 	sputr(&e.next, c);
 	return e;
@@ -273,14 +271,16 @@ keystroke(u32int ks, u32int mod, Str *com)
 		return 1;
 	}
 	if(ks > 0x7f || ks == ' '){
+		if(im.pre.n == 0)
+			return 0;
 		commit(com);
 		sputr(com, ks);
 		reset();
 		return 1;
 	}
-	dotrans(ks, com);
+	n = dotrans(ks, com);
 	show();
-	return 1;
+	return n;
 }
 
 static void