diff --git a/docs/demo/index.html b/docs/demo/index.html
index d049c4c..c5be789 100644
--- a/docs/demo/index.html
+++ b/docs/demo/index.html
@@ -12,19 +12,22 @@
 
 <tw-story></tw-story>
 
-<tw-storydata name="Audio Test" startnode="4" creator="Tweego" creator-version="2.0.0-alpha.1" ifid="E3A052C4-CF40-4AD0-86CF-032559E42A42" zoom="1" format="Harlowe" format-version="3.0.2" options="" hidden><style role="stylesheet" id="twine-user-stylesheet" type="text/twine-css">/**
- * Harlowe Audio Library (HAL), by Chapel, v2.0.0-pre1
+<tw-storydata name="Audio Test" startnode="4" creator="Tweego" creator-version="2.0.0-alpha.1" ifid="E3A052C4-CF40-4AD0-86CF-032559E42A42" zoom="1" format="Harlowe" format-version="3.0.2" options="" hidden><style role="stylesheet" id="twine-user-stylesheet" type="text/twine-css">/* twine-user-stylesheet #1: "harlowe-audio.min.css" */
+/**
+ * Harlowe Audio Library (HAL), by Chapel, v2.0.0
  * for Harlowe 2.1.0 and higher
  * Released under the Unlicense, and dedicated to the public domain.
 **/
-#audio-overlay{position:fixed;top:0;right:0;left:0;bottom:0;z-index:100000;background:#111}.lds-ring{display:block;position:relative;top:20%;margin:auto;width:20em;height:20em}.lds-ring div{box-sizing:border-box;display:block;position:absolute;width:18em;height:18em;margin:6px;border:6px solid #fff;border-radius:50%;-webkit-animation:lds-ring 1.2s cubic-bezier(.5,0,.5,1) infinite;animation:lds-ring 1.2s cubic-bezier(.5,0,.5,1) infinite;border-color:#fff transparent transparent transparent}.lds-ring div:nth-child(1){-webkit-animation-delay:-.45s;animation-delay:-.45s}.lds-ring div:nth-child(2){-webkit-animation-delay:-.3s;animation-delay:-.3s}.lds-ring div:nth-child(3){-webkit-animation-delay:-.15s;animation-delay:-.15s}@-webkit-keyframes lds-ring{0%{-webkit-transform:rotate(0);transform:rotate(0)}100%{-webkit-transform:rotate(360deg);transform:rotate(360deg)}}@keyframes lds-ring{0%{-webkit-transform:rotate(0);transform:rotate(0)}100%{-webkit-transform:rotate(360deg);transform:rotate(360deg)}}input#audio-volume{width:100%;padding:2em 0}span#vol-title{position:relative;bottom:-2em;font-size:1rem;float:left}tw-link#audio-mute{display:inline-block;padding:.3em;width:90%;text-decoration:none;color:#111;background:#eee;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;border:1px solid #000}tw-link#audio-mute:hover{opacity:.8}tw-link#audio-mute:active{opacity:.6}tw-link#audio-mute span{display:inline-block;width:1em;position:relative;height:1em;top:.2em;background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACQAAAAkCAQAAABLCVATAAABF0lEQVR4Ae2VJVREYRSEB3ftuFUaLhF6I22iF7TgLr1XvAc849CwiBac9Xtm3e97cefp/Pec7+mdH0mZrGtMoBomyAEHfjGHXKg07gNxeUS3BuMAqGZswE7YcOIYgqgG7BFlSQgTAgKysC2jNjQmghFQCOpMxq+QmQgmFATU4kcq/YlgfKB1lALUqFSukRIbEwpy4BTZPM/Bu9TaQ362KAsl56sAtSR+Sgv6RCFdr/gjBYiuj65c3J0eNEmXz95TgybocvmoJj3avf5l59L1iD/WglZCP7/uh8zgeQ6epdahaZENFIPCCFvEYNPW4JdNazBGzhkj6caCbSc02DRRu0+8RR/+rb7wx6D505HxCVKvG0zpp+yknHe8MBDkT/s8AAAAAElFTkSuQmCC);background-size:contain}tw-link#audio-mute.muted span{right:4px;background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACQAAAAkCAYAAADhAJiYAAAASElEQVR4Ae3WsQ0AMAjAsJ7ez9MTGEmlRGL3BJzPq6prw2DDYMNgw2DDYMOwh1kAMUygQIEC2RejANVxnVE9aDOqJ39GVZWqB5Z3r1ndBX5oAAAAAElFTkSuQmCC)}div#audio-volume{float:left}div#audio-controls{font:100% Georgia,serif;font-size:1.5em;position:fixed;width:8em;height:100%;padding:1em 2em;z-index:10000;top:0;left:0;bottom:0;background:#333;color:#eee;transition:left .3s;text-align:center}div#audio-controls.closed{left:-10.5em}div#audio-controls tw-link#audio-panel-toggle{display:inline-block;width:1.5em;position:absolute;height:1.5em;top:0;right:0;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;text-decoration:none;background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACQAAAAkCAQAAABLCVATAAAAYklEQVR4Ae3MsQFAMAAEQMDEagCgN4EuVTrbPcACeUBugDNeSdMQomI0PmYdTEYD9DA5jcVoBKuxGY1kNQ6jGRSaGaIj8gw1aI/KYVUSNqsSzMpiVT2zMjlVN0fqVW5o2luMGHqkQmD9cPYAAAAASUVORK5CYII=);background-size:contain}div#audio-controls.closed tw-link#audio-panel-toggle{background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACQAAAAkCAQAAABLCVATAAAAZElEQVR4Ae3TpwGAMBQAUfrEeHB0cDhcXBSO7ehlgBw9N8BL/YZO95r6uA/UEbOv+ylfHRJ9z1BWLynKJqmWohyS6ijKOygKCpmjZYqXTTA2xUiCsShGAMw8/Q3ArFgFMHek0w3WCaR74eO2YQAAAABJRU5ErkJggg==)}@media screen and (max-width:800px){div#audio-controls.closed{left:-12em}div#audio-controls.closed tw-link#audio-panel-toggle{right:-1.5em}}div#story-menu{margin:1em 0}tw-link.story-menu{width:100%;display:block;font-weight:400;background:#ccc;font-size:.9em;padding:.1em 0;color:#111;border:1px solid #333}tw-link.story-menu.hide{display:none}tw-link.story-menu:hover{opacity:.8}tw-link.story-menu:active{opacity:.6}
-/** End of HAL code */</style><script role="script" id="twine-user-script" type="text/twine-javascript">/* twine-user-script #1: "harlowe-audio.min.js" */
+#audio-overlay{position:fixed;top:0;right:0;left:0;bottom:0;z-index:100000;background:#111}.lds-ring{display:block;position:relative;top:20%;margin:auto;width:20em;height:20em}.lds-ring div{box-sizing:border-box;display:block;position:absolute;width:18em;height:18em;margin:6px;border:6px solid #fff;border-radius:50%;-webkit-animation:lds-ring 1.2s cubic-bezier(.5,0,.5,1) infinite;animation:lds-ring 1.2s cubic-bezier(.5,0,.5,1) infinite;border-color:#fff transparent transparent transparent}.lds-ring div:nth-child(1){-webkit-animation-delay:-.45s;animation-delay:-.45s}.lds-ring div:nth-child(2){-webkit-animation-delay:-.3s;animation-delay:-.3s}.lds-ring div:nth-child(3){-webkit-animation-delay:-.15s;animation-delay:-.15s}@-webkit-keyframes lds-ring{0%{-webkit-transform:rotate(0);transform:rotate(0)}100%{-webkit-transform:rotate(360deg);transform:rotate(360deg)}}@keyframes lds-ring{0%{-webkit-transform:rotate(0);transform:rotate(0)}100%{-webkit-transform:rotate(360deg);transform:rotate(360deg)}}input#audio-volume{width:100%;margin:2em 0}span#vol-title{position:relative;bottom:-2em;font-size:1rem;float:left}tw-link#audio-mute{display:inline-block;padding:.3em;width:90%;text-decoration:none;color:#111;background:#eee;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;border:1px solid #000}tw-link#audio-mute:hover{opacity:.8}tw-link#audio-mute:active{opacity:.6}tw-link#audio-mute span{display:inline-block;width:1em;position:relative;height:1em;top:.2em;background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACQAAAAkCAQAAABLCVATAAABF0lEQVR4Ae2VJVREYRSEB3ftuFUaLhF6I22iF7TgLr1XvAc849CwiBac9Xtm3e97cefp/Pec7+mdH0mZrGtMoBomyAEHfjGHXKg07gNxeUS3BuMAqGZswE7YcOIYgqgG7BFlSQgTAgKysC2jNjQmghFQCOpMxq+QmQgmFATU4kcq/YlgfKB1lALUqFSukRIbEwpy4BTZPM/Bu9TaQ362KAsl56sAtSR+Sgv6RCFdr/gjBYiuj65c3J0eNEmXz95TgybocvmoJj3avf5l59L1iD/WglZCP7/uh8zgeQ6epdahaZENFIPCCFvEYNPW4JdNazBGzhkj6caCbSc02DRRu0+8RR/+rb7wx6D505HxCVKvG0zpp+yknHe8MBDkT/s8AAAAAElFTkSuQmCC);background-size:contain}tw-link#audio-mute.muted span{right:4px;background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACQAAAAkCAYAAADhAJiYAAAASElEQVR4Ae3WsQ0AMAjAsJ7ez9MTGEmlRGL3BJzPq6prw2DDYMNgw2DDYMOwh1kAMUygQIEC2RejANVxnVE9aDOqJ39GVZWqB5Z3r1ndBX5oAAAAAElFTkSuQmCC)}div#audio-volume{float:left}div#audio-controls{font:100% Georgia,serif;font-size:1.5em;position:fixed;width:8em;height:100%;padding:1em 2em;z-index:10000;top:0;left:0;bottom:0;background:#333;color:#eee;transition:left .3s;text-align:center}div#audio-controls.closed{left:-10.5em}div#audio-controls tw-link#audio-panel-toggle{display:inline-block;width:1.5em;position:absolute;height:1.5em;top:0;right:0;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;text-decoration:none;background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACQAAAAkCAQAAABLCVATAAAAYklEQVR4Ae3MsQFAMAAEQMDEagCgN4EuVTrbPcACeUBugDNeSdMQomI0PmYdTEYD9DA5jcVoBKuxGY1kNQ6jGRSaGaIj8gw1aI/KYVUSNqsSzMpiVT2zMjlVN0fqVW5o2luMGHqkQmD9cPYAAAAASUVORK5CYII=);background-size:contain}div#audio-controls.closed tw-link#audio-panel-toggle{background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACQAAAAkCAQAAABLCVATAAAAZElEQVR4Ae3TpwGAMBQAUfrEeHB0cDhcXBSO7ehlgBw9N8BL/YZO95r6uA/UEbOv+ylfHRJ9z1BWLynKJqmWohyS6ijKOygKCpmjZYqXTTA2xUiCsShGAMw8/Q3ArFgFMHek0w3WCaR74eO2YQAAAABJRU5ErkJggg==)}@media screen and (max-width:800px){div#audio-controls.closed{left:-12em}div#audio-controls.closed tw-link#audio-panel-toggle{right:-1.5em}}div#story-menu{margin:1em 0}tw-link.story-menu{width:100%;display:block;font-weight:400;background:#ccc;font-size:.9em;padding:.1em 0;color:#111;border:1px solid #333}tw-link.story-menu.hide{display:none}tw-link.story-menu:hover{opacity:.8}tw-link.story-menu:active{opacity:.6}input[type=range].hal{-webkit-appearance:none;width:100%;margin:2.25px 0}input[type=range].hal:focus{outline:0}input[type=range].hal::-webkit-slider-runnable-track{width:100%;height:15.5px;cursor:pointer;box-shadow:.4px .4px 1px #000,0 0 .4px #0d0d0d;background:#111;border-radius:0;border:0 solid #010101}input[type=range].hal::-webkit-slider-thumb{box-shadow:0 0 2.2px rgba(17,17,17,.1),0 0 0 rgba(30,30,30,.1);border:0 solid #fff;height:20px;width:11px;border-radius:0;background:rgba(255,255,255,.93);cursor:pointer;-webkit-appearance:none;margin-top:-2.25px}input[type=range].hal:focus::-webkit-slider-runnable-track{background:#444}input[type=range].hal::-moz-range-track{width:100%;height:15.5px;cursor:pointer;box-shadow:.4px .4px 1px #000,0 0 .4px #0d0d0d;background:#111;border-radius:0;border:0 solid #010101}input[type=range].hal::-moz-range-thumb{box-shadow:0 0 2.2px rgba(17,17,17,.1),0 0 0 rgba(30,30,30,.1);border:0 solid #fff;height:20px;width:11px;border-radius:0;background:rgba(255,255,255,.93);cursor:pointer}input[type=range].hal::-ms-track{width:100%;height:15.5px;cursor:pointer;background:0 0;border-color:transparent;color:transparent}input[type=range].hal::-ms-fill-lower{background:#000;border:0 solid #010101;border-radius:0;box-shadow:.4px .4px 1px #000,0 0 .4px #0d0d0d}input[type=range].hal::-ms-fill-upper{background:#111;border:0 solid #010101;border-radius:0;box-shadow:.4px .4px 1px #000,0 0 .4px #0d0d0d}input[type=range].hal::-ms-thumb{box-shadow:0 0 2.2px rgba(17,17,17,.1),0 0 0 rgba(30,30,30,.1);border:0 solid #fff;height:20px;width:11px;border-radius:0;background:rgba(255,255,255,.93);cursor:pointer;height:15.5px}input[type=range].hal:focus::-ms-fill-lower{background:#111}input[type=range].hal:focus::-ms-fill-upper{background:#444}
+/** End of HAL code */
+/* twine-user-stylesheet #2: "test.css" */
+tw-hook[name="secret"] { display : none; }</style><script role="script" id="twine-user-script" type="text/twine-javascript">/* twine-user-script #1: "harlowe-audio.min.js" */
 /**
- * Harlowe Audio Library (HAL), by Chapel, v2.0.0-pre1
+ * Harlowe Audio Library (HAL), by Chapel, v2.0.0
  * for Harlowe 2.1.0 and higher
  * Released under the Unlicense, and dedicated to the public domain.
 **/
-;window.Chapel=window.Chapel||{},window.Chapel.options={preload:!0,loadDelay:0,muteOnBlur:!0,startingVol:.5,persistPrefs:!0,globalA:!0,showControls:!0,sidebarStartClosed:!0,volumeDisplay:!0,trackLoadLimit:500,totalLoadLimit:8e3},function(){"use strict";var t=$("tw-storydata"),e=t.find('tw-passagedata[name="hal.tracks"]'),o=null;if(e.length){var n=e.text().split(/[\n\r]/).filter(function(e){return e&&e.trim()&&e.includes(":")});o=new Map(n.map(function(e){var t=e.split(":");if(console.log(t),2<t.length){var o=t.slice(1,t.length).join(":");console.log(o),t[1]=o,t.length=2}var n=t[0].trim();return[n=(n=(n=n.replace(/^["']/,"")).replace(/["']$/,"")).trim(),t[1].split(",").map(function(e){return e=(e=(e=(e=e.trim()).replace(/^["']/,"")).replace(/["']$/,"")).trim()})]}))}var r=t.find('tw-passagedata[name="hal.config"]'),i=null;if(r.length){var a=r.text().split(/[\n\r]/).filter(function(e){return e&&e.trim()&&e.includes(":")}),s={};a.map(function(e){var t=e.split(":"),o=t[0].trim();o=(o=(o=o.replace(/^["']/,"")).replace(/["']$/,"")).trim();var n=t[1].trim();return[o,n=(n=(n=n.replace(/^["']/,"")).replace(/["']$/,"")).trim().toLowerCase()]}).forEach(function(e){s[e[0]]=e[1]}),i=s}function u(){var e=t.attr("format-version").split(".")[0];return e=Number(e),Number.isNaN(e)&&(e=3),e<1&&(e=3),e}if(i&&Object.keys(i).forEach(function(e){var t=e,o=s[e],n=typeof Chapel.options[e];"boolean"==n?"true"===o?Chapel.options[t]=!0:"false"===o&&(Chapel.options[t]=!1):"number"==n?(o=Number(o),Number.isNaN(o)||(Chapel.options[t]=o)):"string"==n&&o&&(Chapel.options[t]=o)}),window.Chapel=window.Chapel||{},window.Chapel.Get={version:u(),isHarlowe3OrLater:3<=u(),storyTitle:t.attr("name"),IFID:t.attr("ifid"),fromPassage:o},Chapel.Get.version<2)throw new Error("The Harlowe Audio Library is only designed to work with Harlowe 2 and 3; you appear to be using Harlowe 1 or an otherwise invalid story format.");Chapel.options.storagekey="%%hal-"+Chapel.Get.IFID+"-{"+Chapel.Get.storyTitle+"}";var l=require("macros");window.Chapel.Macros={add:function(t){t&&"object"==typeof t&&Object.keys(t).forEach(function(e){!function(e,o){l.add(e,function(){var e=[].slice.call(arguments).slice(1),t=o.apply(null,e);return"string"==typeof t||"boolean"==typeof t||"number"==typeof t?t:""},l.TypeSignature.zeroOrMore(l.TypeSignature.Any))}(e,t[e])})}}}(),function(){"use strict";var r=Chapel.options,t=$(document.createElement("div")).attr("id","audio-container").css("display","none").appendTo(document.body),e=function(e,t){if(window.localStorage)try{e=""+e,"string"!=typeof t&&(t=JSON.stringify(t)),window.localStorage.setItem(e,t)}catch(e){console.error(e)}},o=function(e){if(window.localStorage)try{return e=""+e,window.localStorage.getItem(e)}catch(e){console.error(e)}},n=function(e){if(window.localStorage)try{e=""+e,window.localStorage.removeItem(e)}catch(e){console.error(e)}};function i(t,o){if("object"!=typeof t||"object"!=typeof o)throw new Error("Invalid extension.");Object.keys(o).forEach(function(e){if(void 0!==t[e])throw new Error('Invalid extension: cannot clobber existing property "'+e+'"');t[e]=o[e]})}var a={loaded:[],classes:{},master:{volume:r.startingVol,mute:!1},groups:{playing:[],looping:[],custom:{}},mute:function(e){a.master.mute=!!e,$(document).trigger({type:":master-mute",mute:!!e})},isMuted:function(){return!!a.master.mute},volume:function(e){e=Number(e),Number.isNaN(e)||(1<e?e=1:e<0&&(e=0),a.master.volume=e),$(document).trigger({type:":master-volume",volume:e})},getVolume:function(){return a.master.volume},stopAll:function(){c.list.forEach(function(e){e.stop()})},audioPlaying:function(){return!!a.groups.playing.length},savePrefs:function(){e(r.storagekey,a.master)},loadPrefs:function(){var e=o(r.storagekey);e&&"object"==typeof e&&e.hasOwnProperty("volume")&&"number"==typeof e.volume&&e.hasOwnProperty("mute")&&"boolean"==typeof e.volume&&(delete a.master,a.master=e)},clearPrefs:function(){n(r.storagekey)}},s={track:[":available",":loaded",":play",":stop",":mute",":volume"],master:[":master-mute",":master-volume"]},u={aac:"audio/aac",caf:"audio/x-caf","x-caf":"audio/x-caf",mp3:'audio/mpeg; codecs="mp3"',mpeg:'audio/mpeg; codecs="mp3"',m4a:"audio/mp4",mp4:"audio/mp4","x-m4a":"audio/mp4","x-mp4":"audio/mp4",oga:"audio/ogg",ogg:"audio/ogg",opus:'audio/ogg; codecs="opus"',wav:"audio/wav",wave:"audio/wav",weba:"audio/webm",webm:"audio/webm"};function l(e){throw new Error(e)}function c(e,t,o){this instanceof c||l("Track: called without `new` operator"),e||l("Track: no id specified"),"string"!=typeof e&&l("Track: track id is not a string"),t&&(!Array.isArray(t)||t.length)||l("Track: no sources specified"),o&&(t=[].slice.call(arguments).slice(1));var n=$(document.createElement("audio"));t.forEach(function(e){$(document.createElement("source")).attr({src:e,type:function(e){var t=e.split("."),o=t[t.length-1];return o.includes("?")&&(o=o.split("?")[0]),o=o.toLowerCase().trim(),Object.keys(u).includes(o)||l('Track: unsupported file type "'+o+'"'),u[o]}(e)}).appendTo(n)}),n.attr({"data-track":"id","data-volume":1,"data-mute":!1}).one("canplay",function(){a.loaded.push(e)}),r.preload&&n.attr("preload","auto"),n[0].volume=1*a.master.volume,this.id=e,this.$el=n,this.unwrap=n[0],this.sources=t}Object.assign(c,{list:[],is:function(e){return e instanceof c},has:function(t){return c.list.some(function(e){return e.id===t})},emit:function(e,t){$(document).trigger({type:e,track:t}),t.emit(e)},add:function(e,t,o){o&&(t=[].slice.call(arguments).slice(1));var n=new c(e,t);return c.list.push(n),n.$el.on("canplay",function(){c.emit(":available",n)}),n.$el.on("canplaythrough",function(){c.emit(":loaded",n)}),n.attach(),n},renew:function(){c.list.forEach(function(e){e.mute(e.isMuted()),e.volume(e.getVolume())})},getIdx:function(t){return c.list.findIndex(function(e){return e.id===t})},get:function(t){return c.list.find(function(e){return e.id===t})},extend:function(e){i(c,e)},extendPrototype:function(e){i(c.prototype,e)},removeFromDOM:function(e){"string"==typeof e&&(e=c.get(e)),e&&c.is(e)?e.unattach():t.remove()}}),Object.assign(c.prototype,{constructor:c,emit:function(e){this.$el.trigger({type:e,track:this})},clone:function(){return new c(this.id,this.sources)},isAttached:function(){return $.contains(t[0],this.unwrap)},attach:function(){return this.isAttached()||this.$el.appendTo(t),this},unattach:function(){return this.isAttached()&&this.$el.remove(),this},isPlaying:function(){return!this.unwrap.paused},play:function(){var e=this;return this.unwrap.play(),c.emit(":play",this),this.$el.on("ended",function(){e.unwrap.loop||(e.unwrap.currentTime=0,c.emit(":stop",e))}),this},playWhenPossible:function(){var t=this;return this.unwrap.play().then(function(){c.emit(":play",t),t.$el.on("ended",function(){t.unwrap.loop||(t.unwrap.currentTime=0,c.emit(":stop",t))})},function(e){$(document).one("click mousedown keydown touchstart",function(){t.play()})}).catch(function(e){console.error(e)}),this},forcePlay:function(){var e=this,t=$(document.createElement("a")).css("display","none").appendTo(document.body).on("click",function(){e.play()});setTimeout(function(){t.trigger("click")},100)},pause:function(){return this.unwrap.pause(),c.emit(":pause",this),this},stop:function(){return this.unwrap.pause(),this.unwrap.currentTime=0,c.emit(":stop",this),this},mute:function(e){return e=!!e,this.$el.attr("data-mute",e),a.master.mute?this.unwrap.muted=!0:this.unwrap.muted=e,c.emit(":mute",this),this},isMuted:function(){var e=this.$el.attr("data-mute");return"boolean"==typeof e?e:"false"!==e},toggleMute:function(){return this.mute(!this.isMuted()),this},volume:function(e){return e=Number(e),Number.isNaN(e)||(1<e?e=1:e<0&&(e=0),this.$el.attr("data-volume",e),this.unwrap.volume=e*a.master.volume),c.emit(":volume",this),this},getVolume:function(){return Number(this.$el.attr("data-volume"))},addToGroup:function(e,t){var o=this,n=t?a.groups.custom[e]:a.groups[e];return n.some(function(e){return o.id===e.id})||n.push(this),this},removeFromGroup:function(e,t){var o=this,n=t?a.groups.custom[e]:a.groups[e],r=n.findIndex(function(e){return e.id&&e.id===o.id});return n.splice(r,1),this},loop:function(e){return this.unwrap.loop=!!e,this.unwrap.loop?this.addToGroup("looping"):this.removeFromGroup("looping"),this},isLooping:function(){return!!this.unwrap.loop},toggleLoop:function(){return this.loop(!this.isLooping()),this},seek:function(e){return e<0?e=this.unwrap.duration-e:e>this.unwrap.duration&&(e=this.unwrap.duration),this.unwrap.currentTime=e,this},fadeIn:function(e){var t=this;e=e||1;var o=this.getVolume();return 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"'+e+'"');t[e]=o[e]})}t.extend=function(e){a(Audio,e)},o.extend=function(e){a(o,e)},o.extendPrototype=function(e){a(o.prototype,e)},t.extendTrack=o.extend,t.extendTrackProto=o.extendPrototype,t.group.extend=function(e){a(t.group,e)},t.group.extendPrototype=function(e){a(t.group.prototype,e)},t.extendGroup=t.group.extend,t.extendGroupProto=t.group.extendPrototype,n.extend=function(e){a(n,e)},n.extendPrototype=function(e){a(n.prototype,e)},t.extendPlaylist=n.extend,t.extendPlaylistProto=n.extendPrototype}(),function(){"use strict";var e=Chapel.options;if(e.showControls){var t=$(document.createElement("div")).attr("id","story-menu").css("display","none"),o=$(document.createElement("span")).attr("id","vol-title").append("Volume");e.volumeDisplay||o.css("display","none");var n=$(document.createElement("input")).attr({id:"audio-volume",type:"range",min:1,max:99,step:1,title:"Volume"}).addClass("hal"),a=Math.trunc(100*window.Chapel.Audio.master.volume);a<0?a=0:100<a&&(a=100),n.attr("value",a);var r=function(e){void 0===e&&(e=n.val()),o.empty().append("Volume "+e)};n.on("input",function(){window.Chapel.Audio.volume($(this).val()/100),r($(this).val())});var i=$(document.createElement("tw-link")).attr({id:"audio-mute",title:"Mute"}).append("Mute <span></span>").on("click",function(e){e.preventDefault(),$(this).toggleClass("muted"),Chapel.Audio.mute(!Chapel.Audio.isMuted())});Chapel.Audio.isMuted()&&i.addClass("muted");var s=$(document.createElement("tw-link")).attr("id","audio-panel-toggle").on("click",function(e){e.preventDefault(),u.toggleClass("closed")}),u=$(document.createElement("div")).attr("id","audio-controls").append(t,o,n,i,s).appendTo(document.body);e.sidebarStartClosed&&u.addClass("closed"),window.Chapel=window.Chapel||{},window.Chapel.Audio=window.Chapel.Audio||{},window.Chapel.Audio.controls={$panel:u,$volume:n,$mute:i,$user:t,close:function(){u.addClass("closed")},open:function(){u.removeClass("closed")},toggle:function(){u.toggleClass("closed")},hide:function(){u.css("display","none")},show:function(){u.css("display","block")},updateVolume:r}}}(),function(){"use strict";var s=Chapel.options,t=State,e=$(document.createElement("div")).attr("id","audio-overlay").css("display","none").appendTo(document.body);function o(){e.css("display","block").append('<div class="lds-ring"><div></div><div></div><div></div><div></div></div>')}function u(){e.fadeOut(function(){e.empty()})}window.Chapel=window.Chapel||{},window.Chapel.Audio=window.Chapel.Audio||{},window.Chapel.Audio.loadScreen={show:o,dismiss:u,kill:function(){$("#audio-overlay").remove()}},window.Chapel.Audio.$overlay=e,window.Chapel.Audio.preload=function(){if(Chapel.debug("This is a mobile browser -> ",$.browser.mobile),!(t.pastLength||t.futureLength||$.browser.mobile)){$(document).ready(function(){o()});var a=100+s.loadDelay,e=Chapel.Audio.classes.Track.list,r=Chapel.Audio.loaded;if(e.length){var i=e.map(function(e){return e.id});0<s.totalLoadLimit&&setTimeout(function(){u()},s.totalLoadLimit),function e(){if(i.length){var t=i.shift();if(r.includes(t))e();else{var o=Chapel.Audio.classes.Track.get(t);if(o.unwrap.readyState<2){var n=!1;o.$el.one("canplaythrough.hal",function(){e(),n=!0}),setTimeout(function(){n||(o.$el.off("canplaythrough.hal"),e())},s.trackLoadLimit)}else r.includes(t)||r.push(t),e()}}else setTimeout(u,a)}()}else setTimeout(u,a)}}}(),function(){"use strict";var o=Chapel.options.storagekey+"_hal_restart_";Chapel.debug("HAL Session Key -> ",o);var e,t,n=(window.sessionStorage?(Chapel.debug("Session Storage Available"),e=function(e,t){window.sessionStorage.setItem(o+e,t)},t=function(e){return window.sessionStorage.getItem(o+e)}):(Chapel.debug("Session Storage Unavailable"),e=function(){},t=function(){},console.warn("Session storage is unavailable...")),{save:e,load:t});window.Chapel.Audio.state={_store:n,saveTracks:function(){var e;try{e=Chapel.Audio.classes.Track.list.map(function(e){return{id:e.id,sources:e.sources}}),Chapel.debug("Session Saved (Tracks) -> ",e),e=JSON.stringify(e),n.save("tracks",e)}catch(e){console.error(e.message)}},loadTracks:function(){var e;try{e=(e=n.load("tracks"))&&JSON.parse(e),Array.isArray(e)&&e.length&&(Chapel.debug("Session Loaded (Tracks) -> ",e),e.forEach(function(e){e.id&&e.sources&&!Chapel.Audio.classes.Track.has(e.id)?Chapel.Audio.newTrack.apply(null,[e.id].concat(e.sources)):Chapel.debug("Track reloading skipped.")}))}catch(e){console.error(e.message)}},savePlaylists:function(){var e;try{var o=Chapel.Audio.classes.Playlist.list;e=Object.keys(o).map(function(e){var t={};return t.tracks=o[e].tracks.map(function(e){return e.id}),t.id=o[e].id,t}),Chapel.debug("Session Saved (Playlists) -> ",e),e=JSON.stringify(e),n.save("playlists",e)}catch(e){console.error(e.message)}},loadPlaylists:function(){var e;try{(e=(e=n.load("playlists"))&&JSON.parse(e))&&Array.isArray(e)&&e.length&&(Chapel.debug("Session Loaded (Playlists) -> ",e),e.forEach(function(e){e.id&&e.tracks&&Chapel.Audio.createPlaylist(e.id,e.tracks)}))}catch(e){console.error(e.message)}},saveGroups:function(){var t;try{t={},Object.keys(Chapel.Audio.groups.custom).forEach(function(e){t[e]=Chapel.Audio.groups.custom[e].map(function(e){return"string"==typeof e?e:e.id})}),Chapel.debug("Session Saved (Groups) -> ",t),t=JSON.stringify(t),n.save("groups",t)}catch(e){console.error(e.message)}},loadGroups:function(){var t;try{(t=(t=n.load("groups"))&&JSON.parse(t))&&"object"==typeof t&&(Chapel.debug("Session Loaded (Groups) -> ",t),Object.keys(t).forEach(function(e){t[e].map(function(e){return Chapel.Audio.classes.Track.get(e)})}),Chapel.Audio.groups.custom=t)}catch(e){console.error(e.message)}}}}(),function(){"use strict";var e=Chapel.options;e.globalA&&void 0===window.A&&(Chapel.debug("Created global A interface."),window.A=window.Chapel.Audio),Chapel.Get.fromPassage&&(Chapel.debug("Loading tracks from track def special passage -> ",Chapel.Get.fromPassage),Chapel.Get.fromPassage.forEach(function(e,t){Chapel.Audio.newTrack.apply(null,[t].concat(e))})),$(document).on("unload",function(){Chapel.debug("User Prefs Saved"),window.Chapel.Audio.savePrefs()}),Chapel.Audio.classes.Track.renew(),Chapel.Audio.controls&&Chapel.Audio.controls.updateVolume(),Chapel.Get.isHarlowe3OrLater&&($(window).on("unload",function(){Chapel.debug("HAL State Saved"),Chapel.Audio.state.saveTracks(),Chapel.Audio.state.savePlaylists(),Chapel.Audio.state.saveGroups()}),Chapel.debug("HAL State Loaded"),Chapel.Audio.state.loadTracks(),Chapel.Audio.state.loadPlaylists(),Chapel.Audio.state.loadGroups()),e.persistPrefs&&(Chapel.debug("User Prefs Loaded"),Chapel.Audio.loadPrefs())}(),function(){"use strict";if(Chapel.options.showControls){var s=Engine,u=Chapel.Audio.controls.$user,e=function(){return"none"!==u.css("display")},l=function(){return e()||u.css("display","block"),u},t=function(){return e()&&u.css("display","none"),u};Chapel.Audio.menu={hide:t,show:l,isShown:e,links:{add:function(e,t,o){var n,a;if(!e||"string"!=typeof e){var r="undefined";return alert(r),void console.error(r)}o||"function"!=typeof t?(t&&"string"==typeof t&&(n=t),o&&"function"==typeof o&&(a=o)):(a=t,n=null);var i=$(document.createElement("tw-link")).append(e).attr({tabindex:"0",name:e.toLowerCase().trim()}).on("click",function(){n&&s.goToPassage(n),a&&a()}).addClass("story-menu").appendTo(u);return l(),i},clear:function(){return u.empty(),t()},hide:function(e){e=e.toLowerCase().trim(),$('tw-link.story-menu[name="'+e+'"]').addClass("hide")},show:function(e){e=e.toLowerCase().trim(),$('tw-link.story-menu[name="'+e+'"]').removeClass("hide")},toggle:function(e){e=e.toLowerCase().trim(),$('tw-link.story-menu[name="'+e+'"]').toggleClass("hide")},remove:function(e){e=e.toLowerCase().trim(),$('tw-link.story-menu[name="'+e+'"]').remove()}}}}}(),function(){"use strict";var n=Chapel.Audio;function o(e){return e&&"function"==typeof e}function a(e,t){if(!e||"string"!=typeof e)return null;switch(e=e.toLowerCase().trim()){case"isplaying":e="isPlaying";break;case"playwhenpossible":e="playWhenPossible";break;case"ismuted":e="isAMuted";break;case"togglemute":e="toggleMute";break;case"getvolume":e="getVolume";break;case"islooping":e="isLooping";break;case"toggleloop":e="toggleLoop";break;case"fadein":e="fadeIn";break;case"fadeout":e="fadeOut";break;case"fadeto":e="fadeTo";break;case"stopall":e="stopAll"}if("isPlaying"===e&&"master"===t&&(e="audioPlaying"),"group"===t){if(o(n.group.prototype[e]))return e}else if("master"===t){if(o(n[e]))return e}else if(o(n.classes[t].prototype[e]))return e;throw new Error('Cannot run the command: "'+e+'" on the API "'+t+'". The command may be invalid, or this may be a bug in HAL.')}var e={newtrack:function(){var e=[].slice.call(arguments);try{return n.newTrack.apply(null,e)}catch(e){alert("Error in the (newtrack:) macro: "+e.message)}},newplaylist:function(e,t){t=[].slice.call(arguments).slice(1);try{return n.createPlaylist(e,t)}catch(e){alert("Error in the (newplaylist:) macro: "+e.message)}},newgroup:function(e,t){t=[].slice.call(arguments).slice(1);try{return n.createGroup(e,t)}catch(e){alert("Error in the (newgroup:) macro: "+e.message)}},masteraudio:function(e){try{return e=a(e,"master"),n[e].apply(null,[].slice.call(arguments).slice(1))}catch(e){alert("Error in the (masteraudio:) macro: "+e.message)}},track:function(e,t){try{var o=n.track(e);return o[t=a(t,"Track")].apply(o,[].slice.call(arguments).slice(2))}catch(e){alert("Error in the (track:) macro: "+e.message)}},playlist:function(e,t){try{var o=n.playlist(e);return o[t=a(t,"Playlist")].apply(o,[].slice.call(arguments).slice(2))}catch(e){alert("Error in the (playlist:) macro: "+e.message)}},group:function(e,t){try{var o=n.group(e);return o[t=a(t,"group")].apply(o,[].slice.call(arguments).slice(2))}catch(e){alert("Error in the (group:) macro: "+e.message)}}};window.Chapel.Macros.add(e)}();
 /** End of HAL code */
 /* twine-user-script #2: "story-menu" */
 A.menu.links.add('Navigate', 'other passage');
@@ -36,7 +39,15 @@
 });
 A.menu.links.add('Removes self.', function () {
     A.menu.links.remove('Removes self.');
-});</script><tw-passagedata pid="1" name="hal.config" tags="" position="100,100" size="100,100">volumeDisplay: false</tw-passagedata><tw-passagedata pid="2" name="hal.tracks" tags="" position="225,100" size="100,100">beep: ./audio/beep.mp3, ./audio/beep.ogg
+});
+/* twine-user-script #3: "test.js" */
+$(document).on('keyup', function (ev) {
+    if (ev.which !== 192) {
+        return;
+    }
+    $('tw-hook[name="secret"] tw-link').trigger('click');
+});</script><tw-passagedata pid="1" name="hal.config" tags="" position="100,100" size="100,100">volumeDisplay: false
+debug: true</tw-passagedata><tw-passagedata pid="2" name="hal.tracks" tags="" position="225,100" size="100,100">beep: ./audio/beep.mp3, ./audio/beep.ogg
 nope: ./audio/no.mp3, ./audio/no.ogg
 que-pena: ./audio/que-pena.mp3, ./audio/que-pena.ogg
 cibelle: ./audio/cibelle.mp3, ./cibelle/no.ogg
@@ -50,10 +61,8 @@
 Welcome to the Harlowe Audio Library demo!
 
 * (link-repeat: &quot;View this demo&#39;s source code.&quot;)[(open-url: &#39;https://github.com/ChapelR/harlowe-audio/tree/master/docs/demo&#39;)]
-* (link-repeat: &quot;Read the documentation.&quot;)[(open-url: &#39;https://twinelab.net/harlowe-audio/#/&#39;)]
-* (link-repeat: &quot;Download the library.&quot;)[(open-url: &#39;https://drive.google.com/file/d/1ThjHsBDzAwYNLc0p8g_V1fC-dLhBc8EH/view&#39;)]
-
-(print: (masteraudio: &#39;getvolume&#39;))
+* (link-repeat: &quot;Read the documentation.&quot;)[(open-url: &#39;https://hal.twinelab.net/&#39;)]
+* (link-repeat: &quot;Download the library.&quot;)[(open-url: &#39;https://github.com/ChapelR/harlowe-audio/releases&#39;)]
 
 Tests:
 {
@@ -100,7 +109,9 @@
 ]
 }</tw-passagedata><tw-passagedata pid="5" name="other passage" tags="" position="600,100" size="100,100">This is another passage!
 
-[[Go back.|Start]]</tw-passagedata></tw-storydata>
+[[Go back.|Start]]
+|secret&gt;[ [[testbed]] ]</tw-passagedata><tw-passagedata pid="6" name="testbed" tags="" position="725,100" size="100,100">&lt;!-- for targeted testing --&gt;
+(masteraudio: &#39;stopall&#39;)</tw-passagedata></tw-storydata>
 
 <script title="Twine engine code" data-main="harlowe">"use strict";function _defineProperty(e,t,n){return t in e?Object.defineProperty(e,t,{value:n,enumerable:!0,configurable:!0,writable:!0}):e[t]=n,e}function _toConsumableArray(e){if(Array.isArray(e)){for(var t=0,n=Array(e.length);t<e.length;t++)n[t]=e[t];return n}return Array.from(e)}var _slicedToArray=function(){function e(e,t){var n=[],r=!0,i=!1,o=void 0;try{for(var a,s=e[Symbol.iterator]();!(r=(a=s.next()).done)&&(n.push(a.value),!t||n.length!==t);r=!0);}catch(e){i=!0,o=e}finally{try{!r&&s.return&&s.return()}finally{if(i)throw o}}return n}return function(t,n){if(Array.isArray(t))return t;if(Symbol.iterator in Object(t))return e(t,n);throw new TypeError("Invalid attempt to destructure non-iterable instance")}}(),_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e};!function(){/**
  * @license almond 0.3.3 Copyright jQuery Foundation and other contributors.
diff --git a/docs/demo/twee/start.twee b/docs/demo/twee/start.twee
index 0b194c7..17703c5 100644
--- a/docs/demo/twee/start.twee
+++ b/docs/demo/twee/start.twee
@@ -1,5 +1,6 @@
 :: hal.config
 volumeDisplay: false
+debug: true
 
 :: hal.tracks
 beep: ./audio/beep.mp3, ./audio/beep.ogg
@@ -34,10 +35,8 @@ A.menu.links.add('Removes self.', function () {
 Welcome to the Harlowe Audio Library demo!
 
 * (link-repeat: "View this demo's source code.")[(open-url: 'https://github.com/ChapelR/harlowe-audio/tree/master/docs/demo')]
-* (link-repeat: "Read the documentation.")[(open-url: 'https://twinelab.net/harlowe-audio/#/')]
-* (link-repeat: "Download the library.")[(open-url: 'https://drive.google.com/file/d/1ThjHsBDzAwYNLc0p8g_V1fC-dLhBc8EH/view')]
-
-(print: (masteraudio: 'getvolume'))
+* (link-repeat: "Read the documentation.")[(open-url: 'https://hal.twinelab.net/')]
+* (link-repeat: "Download the library.")[(open-url: 'https://github.com/ChapelR/harlowe-audio/releases')]
 
 Tests:
 {
@@ -88,3 +87,9 @@ Tests:
 This is another passage!
 
 [[Go back.|Start]]
+|secret>[ [[testbed]] ]
+
+:: testbed
+<!-- for targeted testing -->
+(masteraudio: 'stopall')
+<script>A.playlist('test').playWithTrackBetween('organ')</script>
\ No newline at end of file