Beep at failed key chains.

--HG--
branch : key-processing

common/content/commands.js

@@ -1334,6 +1334,7 @@ var Commands = Module("commands", {
                                         bang: args["-bang"],
                                         count: args["-count"],
                                         completer: completerFunc,
+                                        literal: args["-count"] == "*" ? 0 : null,
                                         persist: !args["-nopersist"],
                                         replacementText: args.literalArg,
                                         sourcing: io.sourcing && update({}, io.sourcing)

common/content/events.js

@@ -61,7 +61,8 @@ var ProcessorStack = Class("ProcessorStack", {
             result = res === Events.PASS ? Events.PASS : Events.KILL;
         }
         else if (result !== Events.KILL && !this.actions.length &&
-                 this.processors.some(function (p) !p.main.passUnknown)) {
+                 (this.events.length > 1 ||
+                     this.processors.some(function (p) !p.main.passUnknown))) {
             result = Events.KILL;
             dactyl.beep();
             events.feedingKeys = false;

common/modules/base.jsm

@@ -1246,6 +1246,9 @@ update(iter, {
      * given predicate.
      */
     nth: function nth(iter, pred, n, self) {
+        if (typeof pred === "number")
+            [pred, n] = [function () true, pred]; // Hack.
+
         for (let elem in iter)
             if (pred.call(self, elem) && n-- === 0)
                 return elem;