diff --git a/inst/reveal.js-4.6.1/plugin/notes/notes.esm.js b/inst/reveal.js-4.6.1/plugin/notes/notes.esm.js
new file mode 100644
index 0000000..f5692e8
--- /dev/null
+++ b/inst/reveal.js-4.6.1/plugin/notes/notes.esm.js
@@ -0,0 +1 @@
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$={escape:/^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/,autolink:/^<(scheme:[^\s\x00-\x1f<>]*|email)>/,url:b,tag:"^comment|^</[a-zA-Z][\\w:-]*\\s*>|^<[a-zA-Z][\\w-]*(?:attribute)*?\\s*/?>|^<\\?[\\s\\S]*?\\?>|^<![a-zA-Z]+\\s[\\s\\S]*?>|^<!\\[CDATA\\[[\\s\\S]*?\\]\\]>",link:/^!?\[(label)\]\(\s*(href)(?:\s+(title))?\s*\)/,reflink:/^!?\[(label)\]\[(ref)\]/,nolink:/^!?\[(ref)\](?:\[\])?/,reflinkSearch:"reflink|nolink(?!\\()",emStrong:{lDelim:/^(?:\*+(?:([punct_])|[^\s*]))|^_+(?:([punct*])|([^\s_]))/,rDelimAst:/^[^_*]*?\_\_[^_*]*?\*[^_*]*?(?=\_\_)|[punct_](\*+)(?=[\s]|$)|[^punct*_\s](\*+)(?=[punct_\s]|$)|[punct_\s](\*+)(?=[^punct*_\s])|[\s](\*+)(?=[punct_])|[punct_](\*+)(?=[punct_])|[^punct*_\s](\*+)(?=[^punct*_\s])/,rDelimUnd:/^[^_*]*?\*\*[^_*]*?\_[^_*]*?(?=\*\*)|[punct*](\_+)(?=[\s]|$)|[^punct*_\s](\_+)(?=[punct*\s]|$)|[punct*\s](\_+)(?=[^punct*_\s])|[\s](\_+)(?=[punct*])|[punct*](\_+)(?=[punct*])/},code:/^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/,br:/^( {2,}|\\)\n(?!\s*$)/,del:b,text:/^(`+|[^`])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\<!\[`*_]|\b_|$)|[^ ](?= {2,}\n)))/,punctuation:/^([\spunctuation])/};function L(t){return t.replace(/---/g,"—").replace(/--/g,"–").replace(/(^|[-\u2014/(\[{"\s])'/g,"$1‘").replace(/'/g,"’").replace(/(^|[-\u2014/(\[{\u2018\s])"/g,"$1“").replace(/"/g,"”").replace(/\.{3}/g,"…")}function R(t){let e,n,i="";const s=t.length;for(e=0;e<s;e++)n=t.charCodeAt(e),Math.random()>.5&&(n="x"+n.toString(16)),i+="&#"+n+";";return i}$._punctuation="!\"#$%&'()+\\-.,/:;<=>?@\\[\\]`^{|}~",$.punctuation=d($.punctuation).replace(/punctuation/g,$._punctuation).getRegex(),$.blockSkip=/\[[^\]]*?\]\([^\)]*?\)|`[^`]*?`|<[^>]*?>/g,$.escapedEmSt=/\\\*|\\_/g,$._comment=d(E._comment).replace("(?:--\x3e|$)","--\x3e").getRegex(),$.emStrong.lDelim=d($.emStrong.lDelim).replace(/punct/g,$._punctuation).getRegex(),$.emStrong.rDelimAst=d($.emStrong.rDelimAst,"g").replace(/punct/g,$._punctuation).getRegex(),$.emStrong.rDelimUnd=d($.emStrong.rDelimUnd,"g").replace(/punct/g,$._punctuation).getRegex(),$._escapes=/\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/g,$._scheme=/[a-zA-Z][a-zA-Z0-9+.-]{1,31}/,$._email=/[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+(@)[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+(?![-_])/,$.autolink=d($.autolink).replace("scheme",$._scheme).replace("email",$._email).getRegex(),$._attribute=/\s+[a-zA-Z:_][\w.:-]*(?:\s*=\s*"[^"]*"|\s*=\s*'[^']*'|\s*=\s*[^\s"'=<>`]+)?/,$.tag=d($.tag).replace("comment",$._comment).replace("attribute",$._attribute).getRegex(),$._label=/(?:\[(?:\\.|[^\[\]\\])*\]|\\.|`[^`]*`|[^\[\]\\`])*?/,$._href=/<(?:\\.|[^\n<>\\])+>|[^\s\x00-\x1f]*/,$._title=/"(?:\\"?|[^"\\])*"|'(?:\\'?|[^'\\])*'|\((?:\\\)?|[^)\\])*\)/,$.link=d($.link).replace("label",$._label).replace("href",$._href).replace("title",$._title).getRegex(),$.reflink=d($.reflink).replace("label",$._label).replace("ref",E._label).getRegex(),$.nolink=d($.nolink).replace("ref",E._label).getRegex(),$.reflinkSearch=d($.reflinkSearch,"g").replace("reflink",$.reflink).replace("nolink",$.nolink).getRegex(),$.normal=y({},$),$.pedantic=y({},$.normal,{strong:{start:/^__|\*\*/,middle:/^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,endAst:/\*\*(?!\*)/g,endUnd:/__(?!_)/g},em:{start:/^_|\*/,middle:/^()\*(?=\S)([\s\S]*?\S)\*(?!\*)|^_(?=\S)([\s\S]*?\S)_(?!_)/,endAst:/\*(?!\*)/g,endUnd:/_(?!_)/g},link:d(/^!?\[(label)\]\((.*?)\)/).replace("label",$._label).getRegex(),reflink:d(/^!?\[(label)\]\s*\[([^\]]*)\]/).replace("label",$._label).getRegex()}),$.gfm=y({},$.normal,{escape:d($.escape).replace("])","~|])").getRegex(),_extended_email:/[A-Za-z0-9._+-]+(@)[a-zA-Z0-9-_]+(?:\.[a-zA-Z0-9-_]*[a-zA-Z0-9])+(?![-_])/,url:/^((?:ftp|https?):\/\/|www\.)(?:[a-zA-Z0-9\-]+\.?)+[^\s<]*|^email/,_backpedal:/(?:[^?!.,:;*_~()&]+|\([^)]*\)|&(?![a-zA-Z0-9]+;$)|[?!.,:;*_~)]+(?!$))+/,del:/^(~~?)(?=[^\s~])([\s\S]*?[^\s~])\1(?=[^~]|$)/,text:/^([`~]+|[^`~])(?:(?= {2,}\n)|(?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@)|[\s\S]*?(?:(?=[\\<!\[`*~_]|\b_|https?:\/\/|ftp:\/\/|www\.|$)|[^ ](?= {2,}\n)|[^a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-](?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@)))/}),$.gfm.url=d($.gfm.url,"i").replace("email",$.gfm._extended_email).getRegex(),$.breaks=y({},$.gfm,{br:d($.br).replace("{2,}","*").getRegex(),text:d($.gfm.text).replace("\\b_","\\b_| {2,}\\n").replace(/\{2,\}/g,"*").getRegex()});class I{constructor(t){this.tokens=[],this.tokens.links=Object.create(null),this.options=t||e,this.options.tokenizer=this.options.tokenizer||new A,this.tokenizer=this.options.tokenizer,this.tokenizer.options=this.options,this.tokenizer.lexer=this,this.inlineQueue=[],this.state={inLink:!1,inRawBlock:!1,top:!0};const n={block:E.normal,inline:$.normal};this.options.pedantic?(n.block=E.pedantic,n.inline=$.pedantic):this.options.gfm&&(n.block=E.gfm,this.options.breaks?n.inline=$.breaks:n.inline=$.gfm),this.tokenizer.rules=n}static get rules(){return{block:E,inline:$}}static lex(t,e){return new I(e).lex(t)}static lexInline(t,e){return new I(e).inlineTokens(t)}lex(t){let e;for(t=t.replace(/\r\n|\r/g,"\n").replace(/\t/g,"    "),this.blockTokens(t,this.tokens);e=this.inlineQueue.shift();)this.inlineTokens(e.src,e.tokens);return this.tokens}blockTokens(t,e=[]){let n,i,s,r;for(this.options.pedantic&&(t=t.replace(/^ +$/gm,""));t;)if(!(this.options.extensions&&this.options.extensions.block&&this.options.extensions.block.some((i=>!!(n=i.call({lexer:this},t,e))&&(t=t.substring(n.raw.length),e.push(n),!0)))))if(n=this.tokenizer.space(t))t=t.substring(n.raw.length),1===n.raw.length&&e.length>0?e[e.length-1].raw+="\n":e.push(n);else if(n=this.tokenizer.code(t))t=t.substring(n.raw.length),i=e[e.length-1],!i||"paragraph"!==i.type&&"text"!==i.type?e.push(n):(i.raw+="\n"+n.raw,i.text+="\n"+n.text,this.inlineQueue[this.inlineQueue.length-1].src=i.text);else if(n=this.tokenizer.fences(t))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.heading(t))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.hr(t))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.blockquote(t))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.list(t))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.html(t))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.def(t))t=t.substring(n.raw.length),i=e[e.length-1],!i||"paragraph"!==i.type&&"text"!==i.type?this.tokens.links[n.tag]||(this.tokens.links[n.tag]={href:n.href,title:n.title}):(i.raw+="\n"+n.raw,i.text+="\n"+n.raw,this.inlineQueue[this.inlineQueue.length-1].src=i.text);else if(n=this.tokenizer.table(t))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.lheading(t))t=t.substring(n.raw.length),e.push(n);else{if(s=t,this.options.extensions&&this.options.extensions.startBlock){let e=1/0;const n=t.slice(1);let i;this.options.extensions.startBlock.forEach((function(t){i=t.call({lexer:this},n),"number"==typeof i&&i>=0&&(e=Math.min(e,i))})),e<1/0&&e>=0&&(s=t.substring(0,e+1))}if(this.state.top&&(n=this.tokenizer.paragraph(s)))i=e[e.length-1],r&&"paragraph"===i.type?(i.raw+="\n"+n.raw,i.text+="\n"+n.text,this.inlineQueue.pop(),this.inlineQueue[this.inlineQueue.length-1].src=i.text):e.push(n),r=s.length!==t.length,t=t.substring(n.raw.length);else if(n=this.tokenizer.text(t))t=t.substring(n.raw.length),i=e[e.length-1],i&&"text"===i.type?(i.raw+="\n"+n.raw,i.text+="\n"+n.text,this.inlineQueue.pop(),this.inlineQueue[this.inlineQueue.length-1].src=i.text):e.push(n);else if(t){const e="Infinite loop on byte: "+t.charCodeAt(0);if(this.options.silent){console.error(e);break}throw new Error(e)}}return this.state.top=!0,e}inline(t,e){this.inlineQueue.push({src:t,tokens:e})}inlineTokens(t,e=[]){let n,i,s,r,a,l,o=t;if(this.tokens.links){const t=Object.keys(this.tokens.links);if(t.length>0)for(;null!=(r=this.tokenizer.rules.inline.reflinkSearch.exec(o));)t.includes(r[0].slice(r[0].lastIndexOf("[")+1,-1))&&(o=o.slice(0,r.index)+"["+_("a",r[0].length-2)+"]"+o.slice(this.tokenizer.rules.inline.reflinkSearch.lastIndex))}for(;null!=(r=this.tokenizer.rules.inline.blockSkip.exec(o));)o=o.slice(0,r.index)+"["+_("a",r[0].length-2)+"]"+o.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);for(;null!=(r=this.tokenizer.rules.inline.escapedEmSt.exec(o));)o=o.slice(0,r.index)+"++"+o.slice(this.tokenizer.rules.inline.escapedEmSt.lastIndex);for(;t;)if(a||(l=""),a=!1,!(this.options.extensions&&this.options.extensions.inline&&this.options.extensions.inline.some((i=>!!(n=i.call({lexer:this},t,e))&&(t=t.substring(n.raw.length),e.push(n),!0)))))if(n=this.tokenizer.escape(t))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.tag(t))t=t.substring(n.raw.length),i=e[e.length-1],i&&"text"===n.type&&"text"===i.type?(i.raw+=n.raw,i.text+=n.text):e.push(n);else if(n=this.tokenizer.link(t))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.reflink(t,this.tokens.links))t=t.substring(n.raw.length),i=e[e.length-1],i&&"text"===n.type&&"text"===i.type?(i.raw+=n.raw,i.text+=n.text):e.push(n);else if(n=this.tokenizer.emStrong(t,o,l))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.codespan(t))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.br(t))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.del(t))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.autolink(t,R))t=t.substring(n.raw.length),e.push(n);else if(this.state.inLink||!(n=this.tokenizer.url(t,R))){if(s=t,this.options.extensions&&this.options.extensions.startInline){let e=1/0;const n=t.slice(1);let i;this.options.extensions.startInline.forEach((function(t){i=t.call({lexer:this},n),"number"==typeof i&&i>=0&&(e=Math.min(e,i))})),e<1/0&&e>=0&&(s=t.substring(0,e+1))}if(n=this.tokenizer.inlineText(s,L))t=t.substring(n.raw.length),"_"!==n.raw.slice(-1)&&(l=n.raw.slice(-1)),a=!0,i=e[e.length-1],i&&"text"===i.type?(i.raw+=n.raw,i.text+=n.text):e.push(n);else if(t){const e="Infinite loop on byte: "+t.charCodeAt(0);if(this.options.silent){console.error(e);break}throw new Error(e)}}else t=t.substring(n.raw.length),e.push(n);return e}}class C{constructor(t){this.options=t||e}code(t,e,n){const i=(e||"").match(/\S*/)[0];if(this.options.highlight){const e=this.options.highlight(t,i);null!=e&&e!==t&&(n=!0,t=e)}return t=t.replace(/\n$/,"")+"\n",i?'<pre><code class="'+this.options.langPrefix+o(i,!0)+'">'+(n?t:o(t,!0))+"</code></pre>\n":"<pre><code>"+(n?t:o(t,!0))+"</code></pre>\n"}blockquote(t){return"<blockquote>\n"+t+"</blockquote>\n"}html(t){return t}heading(t,e,n,i){return this.options.headerIds?"<h"+e+' id="'+this.options.headerPrefix+i.slug(n)+'">'+t+"</h"+e+">\n":"<h"+e+">"+t+"</h"+e+">\n"}hr(){return this.options.xhtml?"<hr/>\n":"<hr>\n"}list(t,e,n){const i=e?"ol":"ul";return"<"+i+(e&&1!==n?' start="'+n+'"':"")+">\n"+t+"</"+i+">\n"}listitem(t){return"<li>"+t+"</li>\n"}checkbox(t){return"<input "+(t?'checked="" ':"")+'disabled="" type="checkbox"'+(this.options.xhtml?" /":"")+"> "}paragraph(t){return"<p>"+t+"</p>\n"}table(t,e){return e&&(e="<tbody>"+e+"</tbody>"),"<table>\n<thead>\n"+t+"</thead>\n"+e+"</table>\n"}tablerow(t){return"<tr>\n"+t+"</tr>\n"}tablecell(t,e){const n=e.header?"th":"td";return(e.align?"<"+n+' align="'+e.align+'">':"<"+n+">")+t+"</"+n+">\n"}strong(t){return"<strong>"+t+"</strong>"}em(t){return"<em>"+t+"</em>"}codespan(t){return"<code>"+t+"</code>"}br(){return this.options.xhtml?"<br/>":"<br>"}del(t){return"<del>"+t+"</del>"}link(t,e,n){if(null===(t=m(this.options.sanitize,this.options.baseUrl,t)))return n;let i='<a href="'+o(t)+'"';return e&&(i+=' title="'+e+'"'),i+=">"+n+"</a>",i}image(t,e,n){if(null===(t=m(this.options.sanitize,this.options.baseUrl,t)))return n;let i='<img src="'+t+'" alt="'+n+'"';return e&&(i+=' title="'+e+'"'),i+=this.options.xhtml?"/>":">",i}text(t){return t}}class M{strong(t){return t}em(t){return t}codespan(t){return t}del(t){return t}html(t){return t}text(t){return t}link(t,e,n){return""+n}image(t,e,n){return""+n}br(){return""}}class q{constructor(){this.seen={}}serialize(t){return t.toLowerCase().trim().replace(/<[!\/a-z].*?>/gi,"").replace(/[\u2000-\u206F\u2E00-\u2E7F\\'!"#$%&()*+,./:;<=>?@[\]^`{|}~]/g,"").replace(/\s/g,"-")}getNextSafeSlug(t,e){let n=t,i=0;if(this.seen.hasOwnProperty(n)){i=this.seen[t];do{i++,n=t+"-"+i}while(this.seen.hasOwnProperty(n))}return e||(this.seen[t]=i,this.seen[n]=0),n}slug(t,e={}){const n=this.serialize(t);return this.getNextSafeSlug(n,e.dryrun)}}class O{constructor(t){this.options=t||e,this.options.renderer=this.options.renderer||new C,this.renderer=this.options.renderer,this.renderer.options=this.options,this.textRenderer=new M,this.slugger=new q}static parse(t,e){return new O(e).parse(t)}static parseInline(t,e){return new O(e).parseInline(t)}parse(t,e=!0){let n,i,s,r,a,l,o,c,u,d,h,g,m,f,k,w,x,b,y,v="";const S=t.length;for(n=0;n<S;n++)if(d=t[n],this.options.extensions&&this.options.extensions.renderers&&this.options.extensions.renderers[d.type]&&(y=this.options.extensions.renderers[d.type].call({parser:this},d),!1!==y||!["space","hr","heading","code","table","blockquote","list","html","paragraph","text"].includes(d.type)))v+=y||"";else switch(d.type){case"space":continue;case"hr":v+=this.renderer.hr();continue;case"heading":v+=this.renderer.heading(this.parseInline(d.tokens),d.depth,p(this.parseInline(d.tokens,this.textRenderer)),this.slugger);continue;case"code":v+=this.renderer.code(d.text,d.lang,d.escaped);continue;case"table":for(c="",o="",r=d.header.length,i=0;i<r;i++)o+=this.renderer.tablecell(this.parseInline(d.header[i].tokens),{header:!0,align:d.align[i]});for(c+=this.renderer.tablerow(o),u="",r=d.rows.length,i=0;i<r;i++){for(l=d.rows[i],o="",a=l.length,s=0;s<a;s++)o+=this.renderer.tablecell(this.parseInline(l[s].tokens),{header:!1,align:d.align[s]});u+=this.renderer.tablerow(o)}v+=this.renderer.table(c,u);continue;case"blockquote":u=this.parse(d.tokens),v+=this.renderer.blockquote(u);continue;case"list":for(h=d.ordered,g=d.start,m=d.loose,r=d.items.length,u="",i=0;i<r;i++)k=d.items[i],w=k.checked,x=k.task,f="",k.task&&(b=this.renderer.checkbox(w),m?k.tokens.length>0&&"paragraph"===k.tokens[0].type?(k.tokens[0].text=b+" 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a=t.length;for(n=0;n<a;n++)if(i=t[n],this.options.extensions&&this.options.extensions.renderers&&this.options.extensions.renderers[i.type]&&(s=this.options.extensions.renderers[i.type].call({parser:this},i),!1!==s||!["escape","html","link","image","strong","em","codespan","br","del","text"].includes(i.type)))r+=s||"";else switch(i.type){case"escape":case"text":r+=e.text(i.text);break;case"html":r+=e.html(i.text);break;case"link":r+=e.link(i.href,i.title,this.parseInline(i.tokens,e));break;case"image":r+=e.image(i.href,i.title,i.text);break;case"strong":r+=e.strong(this.parseInline(i.tokens,e));break;case"em":r+=e.em(this.parseInline(i.tokens,e));break;case"codespan":r+=e.codespan(i.text);break;case"br":r+=e.br();break;case"del":r+=e.del(this.parseInline(i.tokens,e));break;default:{const t='Token with "'+i.type+'" type was not found.';if(this.options.silent)return void console.error(t);throw new Error(t)}}return r}}function P(t,e,n){if(null==t)throw new Error("marked(): input parameter 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{\n\t\t\t\t\tdisplay: none;\n\t\t\t\t}\n\n\t\t\t\t.speaker-controls-time .label,\n\t\t\t\t.speaker-controls-pace .label,\n\t\t\t\t.speaker-controls-notes .label {\n\t\t\t\t\ttext-transform: uppercase;\n\t\t\t\t\tfont-weight: normal;\n\t\t\t\t\tfont-size: 0.66em;\n\t\t\t\t\tcolor: #666;\n\t\t\t\t\tmargin: 0;\n\t\t\t\t}\n\n\t\t\t\t.speaker-controls-time, .speaker-controls-pace {\n\t\t\t\t\tborder-bottom: 1px solid rgba( 200, 200, 200, 0.5 );\n\t\t\t\t\tmargin-bottom: 10px;\n\t\t\t\t\tpadding: 10px 16px;\n\t\t\t\t\tpadding-bottom: 20px;\n\t\t\t\t\tcursor: pointer;\n\t\t\t\t}\n\n\t\t\t\t.speaker-controls-time .reset-button {\n\t\t\t\t\topacity: 0;\n\t\t\t\t\tfloat: right;\n\t\t\t\t\tcolor: #666;\n\t\t\t\t\ttext-decoration: none;\n\t\t\t\t}\n\t\t\t\t.speaker-controls-time:hover .reset-button {\n\t\t\t\t\topacity: 1;\n\t\t\t\t}\n\n\t\t\t\t.speaker-controls-time .timer,\n\t\t\t\t.speaker-controls-time .clock {\n\t\t\t\t\twidth: 50%;\n\t\t\t\t}\n\n\t\t\t\t.speaker-controls-time 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{\n\t\t\t\t\tmargin-top: 5px;\n\t\t\t\t\tline-height: 1.4;\n\t\t\t\t\tfont-size: 1.2em;\n\t\t\t\t}\n\n\t\t\t/* Layout selector */\n\t\t\t#speaker-layout {\n\t\t\t\tposition: absolute;\n\t\t\t\ttop: 10px;\n\t\t\t\tright: 10px;\n\t\t\t\tcolor: #222;\n\t\t\t\tz-index: 10;\n\t\t\t}\n\t\t\t\t#speaker-layout select {\n\t\t\t\t\tposition: absolute;\n\t\t\t\t\twidth: 100%;\n\t\t\t\t\theight: 100%;\n\t\t\t\t\ttop: 0;\n\t\t\t\t\tleft: 0;\n\t\t\t\t\tborder: 0;\n\t\t\t\t\tbox-shadow: 0;\n\t\t\t\t\tcursor: pointer;\n\t\t\t\t\topacity: 0;\n\n\t\t\t\t\tfont-size: 1em;\n\t\t\t\t\tbackground-color: transparent;\n\n\t\t\t\t\t-moz-appearance: none;\n\t\t\t\t\t-webkit-appearance: none;\n\t\t\t\t\t-webkit-tap-highlight-color: rgba(0, 0, 0, 0);\n\t\t\t\t}\n\n\t\t\t\t#speaker-layout select:focus {\n\t\t\t\t\toutline: none;\n\t\t\t\t\tbox-shadow: none;\n\t\t\t\t}\n\n\t\t\t.clear {\n\t\t\t\tclear: both;\n\t\t\t}\n\n\t\t\t/* Speaker layout: Wide */\n\t\t\tbody[data-speaker-layout=\"wide\"] #current-slide,\n\t\t\tbody[data-speaker-layout=\"wide\"] #upcoming-slide {\n\t\t\t\twidth: 50%;\n\t\t\t\theight: 45%;\n\t\t\t\tpadding: 6px;\n\t\t\t}\n\n\t\t\tbody[data-speaker-layout=\"wide\"] #current-slide {\n\t\t\t\ttop: 0;\n\t\t\t\tleft: 0;\n\t\t\t}\n\n\t\t\tbody[data-speaker-layout=\"wide\"] #upcoming-slide {\n\t\t\t\ttop: 0;\n\t\t\t\tleft: 50%;\n\t\t\t}\n\n\t\t\tbody[data-speaker-layout=\"wide\"] #speaker-controls {\n\t\t\t\ttop: 45%;\n\t\t\t\tleft: 0;\n\t\t\t\twidth: 100%;\n\t\t\t\theight: 50%;\n\t\t\t\tfont-size: 1.25em;\n\t\t\t}\n\n\t\t\t/* Speaker layout: Tall */\n\t\t\tbody[data-speaker-layout=\"tall\"] #current-slide,\n\t\t\tbody[data-speaker-layout=\"tall\"] #upcoming-slide {\n\t\t\t\twidth: 45%;\n\t\t\t\theight: 50%;\n\t\t\t\tpadding: 6px;\n\t\t\t}\n\n\t\t\tbody[data-speaker-layout=\"tall\"] #current-slide {\n\t\t\t\ttop: 0;\n\t\t\t\tleft: 0;\n\t\t\t}\n\n\t\t\tbody[data-speaker-layout=\"tall\"] #upcoming-slide {\n\t\t\t\ttop: 50%;\n\t\t\t\tleft: 0;\n\t\t\t}\n\n\t\t\tbody[data-speaker-layout=\"tall\"] #speaker-controls {\n\t\t\t\tpadding-top: 40px;\n\t\t\t\ttop: 0;\n\t\t\t\tleft: 45%;\n\t\t\t\twidth: 55%;\n\t\t\t\theight: 100%;\n\t\t\t\tfont-size: 1.25em;\n\t\t\t}\n\n\t\t\t/* Speaker layout: Notes only */\n\t\t\tbody[data-speaker-layout=\"notes-only\"] #current-slide,\n\t\t\tbody[data-speaker-layout=\"notes-only\"] #upcoming-slide {\n\t\t\t\tdisplay: none;\n\t\t\t}\n\n\t\t\tbody[data-speaker-layout=\"notes-only\"] #speaker-controls {\n\t\t\t\tpadding-top: 40px;\n\t\t\t\ttop: 0;\n\t\t\t\tleft: 0;\n\t\t\t\twidth: 100%;\n\t\t\t\theight: 100%;\n\t\t\t\tfont-size: 1.25em;\n\t\t\t}\n\n\t\t\t@media screen and (max-width: 1080px) {\n\t\t\t\tbody[data-speaker-layout=\"default\"] #speaker-controls {\n\t\t\t\t\tfont-size: 16px;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t@media screen and (max-width: 900px) {\n\t\t\t\tbody[data-speaker-layout=\"default\"] #speaker-controls {\n\t\t\t\t\tfont-size: 14px;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t@media screen and (max-width: 800px) {\n\t\t\t\tbody[data-speaker-layout=\"default\"] #speaker-controls {\n\t\t\t\t\tfont-size: 12px;\n\t\t\t\t}\n\t\t\t}\n\n\t\t</style>\n\t</head>\n\n\t<body>\n\n\t\t<div id=\"connection-status\">Loading speaker view...</div>\n\n\t\t<div id=\"current-slide\"></div>\n\t\t<div id=\"upcoming-slide\"><span class=\"overlay-element label\">Upcoming</span></div>\n\t\t<div id=\"speaker-controls\">\n\t\t\t<div class=\"speaker-controls-time\">\n\t\t\t\t<h4 class=\"label\">Time <span class=\"reset-button\">Click to Reset</span></h4>\n\t\t\t\t<div class=\"clock\">\n\t\t\t\t\t<span class=\"clock-value\">0:00 AM</span>\n\t\t\t\t</div>\n\t\t\t\t<div class=\"timer\">\n\t\t\t\t\t<span class=\"hours-value\">00</span><span class=\"minutes-value\">:00</span><span class=\"seconds-value\">:00</span>\n\t\t\t\t</div>\n\t\t\t\t<div class=\"clear\"></div>\n\n\t\t\t\t<h4 class=\"label pacing-title\" style=\"display: none\">Pacing – Time to finish current slide</h4>\n\t\t\t\t<div class=\"pacing\" style=\"display: none\">\n\t\t\t\t\t<span class=\"hours-value\">00</span><span class=\"minutes-value\">:00</span><span class=\"seconds-value\">:00</span>\n\t\t\t\t</div>\n\t\t\t</div>\n\n\t\t\t<div class=\"speaker-controls-notes hidden\">\n\t\t\t\t<h4 class=\"label\">Notes</h4>\n\t\t\t\t<div class=\"value\"></div>\n\t\t\t</div>\n\t\t</div>\n\t\t<div id=\"speaker-layout\" class=\"overlay-element interactive\">\n\t\t\t<span class=\"speaker-layout-label\"></span>\n\t\t\t<select class=\"speaker-layout-dropdown\"></select>\n\t\t</div>\n\n\t\t<script>\n\n\t\t\t(function() {\n\n\t\t\t\tvar notes,\n\t\t\t\t\tnotesValue,\n\t\t\t\t\tcurrentState,\n\t\t\t\t\tcurrentSlide,\n\t\t\t\t\tupcomingSlide,\n\t\t\t\t\tlayoutLabel,\n\t\t\t\t\tlayoutDropdown,\n\t\t\t\t\tpendingCalls = {},\n\t\t\t\t\tlastRevealApiCallId = 0,\n\t\t\t\t\tconnected = false\n\n\t\t\t\tvar connectionStatus = document.querySelector( '#connection-status' );\n\n\t\t\t\tvar SPEAKER_LAYOUTS = {\n\t\t\t\t\t'default': 'Default',\n\t\t\t\t\t'wide': 'Wide',\n\t\t\t\t\t'tall': 'Tall',\n\t\t\t\t\t'notes-only': 'Notes only'\n\t\t\t\t};\n\n\t\t\t\tsetupLayout();\n\n\t\t\t\tlet openerOrigin;\n\n\t\t\t\ttry {\n\t\t\t\t\topenerOrigin = window.opener.location.origin;\n\t\t\t\t}\n\t\t\t\tcatch ( error ) { console.warn( error ) }\n\n\t\t\t\t// In order to prevent XSS, the speaker view will only run if its\n\t\t\t\t// opener has the same origin as itself\n\t\t\t\tif( window.location.origin !== openerOrigin ) {\n\t\t\t\t\tconnectionStatus.innerHTML = 'Cross origin error.<br>The speaker window can only be opened from the same origin.';\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tvar connectionTimeout = setTimeout( function() {\n\t\t\t\t\tconnectionStatus.innerHTML = 'Error connecting to main window.<br>Please try closing and reopening the speaker view.';\n\t\t\t\t}, 5000 );\n\n\t\t\t\twindow.addEventListener( 'message', function( event ) {\n\n\t\t\t\t\tclearTimeout( connectionTimeout );\n\t\t\t\t\tconnectionStatus.style.display = 'none';\n\n\t\t\t\t\tvar data = JSON.parse( event.data );\n\n\t\t\t\t\t// The overview mode is only useful to the reveal.js instance\n\t\t\t\t\t// where navigation occurs so we don't sync it\n\t\t\t\t\tif( data.state ) delete data.state.overview;\n\n\t\t\t\t\t// Messages sent by the notes plugin inside of the main window\n\t\t\t\t\tif( data && data.namespace === 'reveal-notes' ) {\n\t\t\t\t\t\tif( data.type === 'connect' ) {\n\t\t\t\t\t\t\thandleConnectMessage( data );\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse if( data.type === 'state' ) {\n\t\t\t\t\t\t\thandleStateMessage( data );\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse if( data.type === 'return' ) {\n\t\t\t\t\t\t\tpendingCalls[data.callId](data.result);\n\t\t\t\t\t\t\tdelete pendingCalls[data.callId];\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\t// Messages sent by the reveal.js inside of the current slide preview\n\t\t\t\t\telse if( data && data.namespace === 'reveal' ) {\n\t\t\t\t\t\tif( /ready/.test( data.eventName ) ) {\n\t\t\t\t\t\t\t// Send a message back to notify that the handshake is complete\n\t\t\t\t\t\t\twindow.opener.postMessage( JSON.stringify({ namespace: 'reveal-notes', type: 'connected'} ), '*' );\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse if( /slidechanged|fragmentshown|fragmenthidden|paused|resumed/.test( data.eventName ) && currentState !== JSON.stringify( data.state ) ) {\n\n\t\t\t\t\t\t\tdispatchStateToMainWindow( data.state );\n\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\t/**\n\t\t\t\t * Updates the presentation in the main window to match the state\n\t\t\t\t * of the presentation in the notes window.\n\t\t\t\t */\n\t\t\t\tconst dispatchStateToMainWindow = debounce(( state ) => {\n\t\t\t\t\twindow.opener.postMessage( JSON.stringify({ method: 'setState', args: [ state ]} ), '*' );\n\t\t\t\t}, 500);\n\n\t\t\t\t/**\n\t\t\t\t * Asynchronously calls the Reveal.js API of the main frame.\n\t\t\t\t */\n\t\t\t\tfunction callRevealApi( methodName, methodArguments, callback ) {\n\n\t\t\t\t\tvar callId = ++lastRevealApiCallId;\n\t\t\t\t\tpendingCalls[callId] = callback;\n\t\t\t\t\twindow.opener.postMessage( JSON.stringify( {\n\t\t\t\t\t\tnamespace: 'reveal-notes',\n\t\t\t\t\t\ttype: 'call',\n\t\t\t\t\t\tcallId: callId,\n\t\t\t\t\t\tmethodName: methodName,\n\t\t\t\t\t\targuments: methodArguments\n\t\t\t\t\t} ), '*' );\n\n\t\t\t\t}\n\n\t\t\t\t/**\n\t\t\t\t * Called when the main window is trying to establish a\n\t\t\t\t * connection.\n\t\t\t\t */\n\t\t\t\tfunction handleConnectMessage( data ) {\n\n\t\t\t\t\tif( connected === false ) {\n\t\t\t\t\t\tconnected = true;\n\n\t\t\t\t\t\tsetupIframes( data );\n\t\t\t\t\t\tsetupKeyboard();\n\t\t\t\t\t\tsetupNotes();\n\t\t\t\t\t\tsetupTimer();\n\t\t\t\t\t\tsetupHeartbeat();\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t/**\n\t\t\t\t * Called when the main window sends an updated state.\n\t\t\t\t */\n\t\t\t\tfunction handleStateMessage( data ) {\n\n\t\t\t\t\t// Store the most recently set state to avoid circular loops\n\t\t\t\t\t// applying the same state\n\t\t\t\t\tcurrentState = JSON.stringify( data.state );\n\n\t\t\t\t\t// No need for updating the notes in case of fragment changes\n\t\t\t\t\tif ( data.notes ) {\n\t\t\t\t\t\tnotes.classList.remove( 'hidden' );\n\t\t\t\t\t\tnotesValue.style.whiteSpace = data.whitespace;\n\t\t\t\t\t\tif( data.markdown ) {\n\t\t\t\t\t\t\tnotesValue.innerHTML = marked( data.notes );\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse {\n\t\t\t\t\t\t\tnotesValue.innerHTML = data.notes;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tnotes.classList.add( 'hidden' );\n\t\t\t\t\t}\n\n\t\t\t\t\t// Update the note slides\n\t\t\t\t\tcurrentSlide.contentWindow.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ] }), '*' );\n\t\t\t\t\tupcomingSlide.contentWindow.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ] }), '*' );\n\t\t\t\t\tupcomingSlide.contentWindow.postMessage( JSON.stringify({ method: 'next' }), '*' );\n\n\t\t\t\t}\n\n\t\t\t\t// Limit to max one state update per X ms\n\t\t\t\thandleStateMessage = debounce( handleStateMessage, 200 );\n\n\t\t\t\t/**\n\t\t\t\t * Forward keyboard events to the current slide window.\n\t\t\t\t * This enables keyboard events to work even if focus\n\t\t\t\t * isn't set on the current slide iframe.\n\t\t\t\t *\n\t\t\t\t * Block F5 default handling, it reloads and disconnects\n\t\t\t\t * the speaker notes window.\n\t\t\t\t */\n\t\t\t\tfunction setupKeyboard() {\n\n\t\t\t\t\tdocument.addEventListener( 'keydown', function( event ) {\n\t\t\t\t\t\tif( event.keyCode === 116 || ( event.metaKey && event.keyCode === 82 ) ) {\n\t\t\t\t\t\t\tevent.preventDefault();\n\t\t\t\t\t\t\treturn false;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tcurrentSlide.contentWindow.postMessage( JSON.stringify({ method: 'triggerKey', args: [ event.keyCode ] }), '*' );\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t\t/**\n\t\t\t\t * Creates the preview iframes.\n\t\t\t\t */\n\t\t\t\tfunction setupIframes( data ) {\n\n\t\t\t\t\tvar params = [\n\t\t\t\t\t\t'receiver',\n\t\t\t\t\t\t'progress=false',\n\t\t\t\t\t\t'history=false',\n\t\t\t\t\t\t'transition=none',\n\t\t\t\t\t\t'autoSlide=0',\n\t\t\t\t\t\t'backgroundTransition=none'\n\t\t\t\t\t].join( '&' );\n\n\t\t\t\t\tvar urlSeparator = /\\?/.test(data.url) ? '&' : '?';\n\t\t\t\t\tvar hash = '#/' + data.state.indexh + '/' + data.state.indexv;\n\t\t\t\t\tvar currentURL = data.url + urlSeparator + params + '&postMessageEvents=true' + hash;\n\t\t\t\t\tvar upcomingURL = data.url + urlSeparator + params + '&controls=false' + hash;\n\n\t\t\t\t\tcurrentSlide = document.createElement( 'iframe' );\n\t\t\t\t\tcurrentSlide.setAttribute( 'width', 1280 );\n\t\t\t\t\tcurrentSlide.setAttribute( 'height', 1024 );\n\t\t\t\t\tcurrentSlide.setAttribute( 'src', currentURL );\n\t\t\t\t\tdocument.querySelector( '#current-slide' ).appendChild( currentSlide );\n\n\t\t\t\t\tupcomingSlide = document.createElement( 'iframe' );\n\t\t\t\t\tupcomingSlide.setAttribute( 'width', 640 );\n\t\t\t\t\tupcomingSlide.setAttribute( 'height', 512 );\n\t\t\t\t\tupcomingSlide.setAttribute( 'src', upcomingURL );\n\t\t\t\t\tdocument.querySelector( '#upcoming-slide' ).appendChild( upcomingSlide );\n\n\t\t\t\t}\n\n\t\t\t\t/**\n\t\t\t\t * Setup the notes UI.\n\t\t\t\t */\n\t\t\t\tfunction setupNotes() {\n\n\t\t\t\t\tnotes = document.querySelector( '.speaker-controls-notes' );\n\t\t\t\t\tnotesValue = document.querySelector( '.speaker-controls-notes .value' );\n\n\t\t\t\t}\n\n\t\t\t\t/**\n\t\t\t\t * We send out a heartbeat at all times to ensure we can\n\t\t\t\t * reconnect with the main presentation window after reloads.\n\t\t\t\t */\n\t\t\t\tfunction setupHeartbeat() {\n\n\t\t\t\t\tsetInterval( () => {\n\t\t\t\t\t\twindow.opener.postMessage( JSON.stringify({ namespace: 'reveal-notes', type: 'heartbeat'} ), '*' );\n\t\t\t\t\t}, 1000 );\n\n\t\t\t\t}\n\n\t\t\t\tfunction getTimings( callback ) {\n\n\t\t\t\t\tcallRevealApi( 'getSlidesAttributes', [], function ( slideAttributes ) {\n\t\t\t\t\t\tcallRevealApi( 'getConfig', [], function ( config ) {\n\t\t\t\t\t\t\tvar totalTime = config.totalTime;\n\t\t\t\t\t\t\tvar minTimePerSlide = config.minimumTimePerSlide || 0;\n\t\t\t\t\t\t\tvar defaultTiming = config.defaultTiming;\n\t\t\t\t\t\t\tif ((defaultTiming == null) && (totalTime == null)) {\n\t\t\t\t\t\t\t\tcallback(null);\n\t\t\t\t\t\t\t\treturn;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t// Setting totalTime overrides defaultTiming\n\t\t\t\t\t\t\tif (totalTime) {\n\t\t\t\t\t\t\t\tdefaultTiming = 0;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tvar timings = [];\n\t\t\t\t\t\t\tfor ( var i in slideAttributes ) {\n\t\t\t\t\t\t\t\tvar slide = slideAttributes[ i ];\n\t\t\t\t\t\t\t\tvar timing = defaultTiming;\n\t\t\t\t\t\t\t\tif( slide.hasOwnProperty( 'data-timing' )) {\n\t\t\t\t\t\t\t\t\tvar t = slide[ 'data-timing' ];\n\t\t\t\t\t\t\t\t\ttiming = parseInt(t);\n\t\t\t\t\t\t\t\t\tif( isNaN(timing) ) {\n\t\t\t\t\t\t\t\t\t\tconsole.warn(\"Could not parse timing '\" + t + \"' of slide \" + i + \"; using default of \" + defaultTiming);\n\t\t\t\t\t\t\t\t\t\ttiming = defaultTiming;\n\t\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\ttimings.push(timing);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tif ( totalTime ) {\n\t\t\t\t\t\t\t\t// After we've allocated time to individual slides, we summarize it and\n\t\t\t\t\t\t\t\t// subtract it from the total time\n\t\t\t\t\t\t\t\tvar remainingTime = totalTime - timings.reduce( function(a, b) { return a + b; }, 0 );\n\t\t\t\t\t\t\t\t// The remaining time is divided by the number of slides that have 0 seconds\n\t\t\t\t\t\t\t\t// allocated at the moment, giving the average time-per-slide on the remaining slides\n\t\t\t\t\t\t\t\tvar remainingSlides = (timings.filter( function(x) { return x == 0 }) ).length\n\t\t\t\t\t\t\t\tvar timePerSlide = Math.round( remainingTime / remainingSlides, 0 )\n\t\t\t\t\t\t\t\t// And now we replace every zero-value timing with that average\n\t\t\t\t\t\t\t\ttimings = timings.map( function(x) { return (x==0 ? timePerSlide : x) } );\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tvar slidesUnderMinimum = timings.filter( function(x) { return (x < minTimePerSlide) } ).length\n\t\t\t\t\t\t\tif ( slidesUnderMinimum ) {\n\t\t\t\t\t\t\t\tmessage = \"The pacing time for \" + slidesUnderMinimum + \" slide(s) is under the configured minimum of \" + minTimePerSlide + \" seconds. Check the data-timing attribute on individual slides, or consider increasing the totalTime or minimumTimePerSlide configuration options (or removing some slides).\";\n\t\t\t\t\t\t\t\talert(message);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tcallback( timings );\n\t\t\t\t\t\t} );\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t\t/**\n\t\t\t\t * Return the number of seconds allocated for presenting\n\t\t\t\t * all slides up to and including this one.\n\t\t\t\t */\n\t\t\t\tfunction getTimeAllocated( timings, callback ) {\n\n\t\t\t\t\tcallRevealApi( 'getSlidePastCount', [], function ( currentSlide ) {\n\t\t\t\t\t\tvar allocated = 0;\n\t\t\t\t\t\tfor (var i in timings.slice(0, currentSlide + 1)) {\n\t\t\t\t\t\t\tallocated += timings[i];\n\t\t\t\t\t\t}\n\t\t\t\t\t\tcallback( allocated );\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t\t/**\n\t\t\t\t * Create the timer and clock and start updating them\n\t\t\t\t * at an interval.\n\t\t\t\t */\n\t\t\t\tfunction setupTimer() {\n\n\t\t\t\t\tvar start = new Date(),\n\t\t\t\t\ttimeEl = document.querySelector( '.speaker-controls-time' ),\n\t\t\t\t\tclockEl = timeEl.querySelector( '.clock-value' ),\n\t\t\t\t\thoursEl = timeEl.querySelector( '.hours-value' ),\n\t\t\t\t\tminutesEl = timeEl.querySelector( '.minutes-value' ),\n\t\t\t\t\tsecondsEl = timeEl.querySelector( '.seconds-value' ),\n\t\t\t\t\tpacingTitleEl = timeEl.querySelector( '.pacing-title' ),\n\t\t\t\t\tpacingEl = timeEl.querySelector( '.pacing' ),\n\t\t\t\t\tpacingHoursEl = pacingEl.querySelector( '.hours-value' ),\n\t\t\t\t\tpacingMinutesEl = pacingEl.querySelector( '.minutes-value' ),\n\t\t\t\t\tpacingSecondsEl = pacingEl.querySelector( '.seconds-value' );\n\n\t\t\t\t\tvar timings = null;\n\t\t\t\t\tgetTimings( function ( _timings ) {\n\n\t\t\t\t\t\ttimings = _timings;\n\t\t\t\t\t\tif (_timings !== null) {\n\t\t\t\t\t\t\tpacingTitleEl.style.removeProperty('display');\n\t\t\t\t\t\t\tpacingEl.style.removeProperty('display');\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// Update once directly\n\t\t\t\t\t\t_updateTimer();\n\n\t\t\t\t\t\t// Then update every second\n\t\t\t\t\t\tsetInterval( _updateTimer, 1000 );\n\n\t\t\t\t\t} );\n\n\n\t\t\t\t\tfunction _resetTimer() {\n\n\t\t\t\t\t\tif (timings == null) {\n\t\t\t\t\t\t\tstart = new Date();\n\t\t\t\t\t\t\t_updateTimer();\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse {\n\t\t\t\t\t\t\t// Reset timer to beginning of current slide\n\t\t\t\t\t\t\tgetTimeAllocated( timings, function ( slideEndTimingSeconds ) {\n\t\t\t\t\t\t\t\tvar slideEndTiming = slideEndTimingSeconds * 1000;\n\t\t\t\t\t\t\t\tcallRevealApi( 'getSlidePastCount', [], function ( currentSlide ) {\n\t\t\t\t\t\t\t\t\tvar currentSlideTiming = timings[currentSlide] * 1000;\n\t\t\t\t\t\t\t\t\tvar previousSlidesTiming = slideEndTiming - currentSlideTiming;\n\t\t\t\t\t\t\t\t\tvar now = new Date();\n\t\t\t\t\t\t\t\t\tstart = new Date(now.getTime() - previousSlidesTiming);\n\t\t\t\t\t\t\t\t\t_updateTimer();\n\t\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttimeEl.addEventListener( 'click', function() {\n\t\t\t\t\t\t_resetTimer();\n\t\t\t\t\t\treturn false;\n\t\t\t\t\t} );\n\n\t\t\t\t\tfunction _displayTime( hrEl, minEl, secEl, time) {\n\n\t\t\t\t\t\tvar sign = Math.sign(time) == -1 ? \"-\" : \"\";\n\t\t\t\t\t\ttime = Math.abs(Math.round(time / 1000));\n\t\t\t\t\t\tvar seconds = time % 60;\n\t\t\t\t\t\tvar minutes = Math.floor( time / 60 ) % 60 ;\n\t\t\t\t\t\tvar hours = Math.floor( time / ( 60 * 60 )) ;\n\t\t\t\t\t\thrEl.innerHTML = sign + zeroPadInteger( hours );\n\t\t\t\t\t\tif (hours == 0) {\n\t\t\t\t\t\t\thrEl.classList.add( 'mute' );\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse {\n\t\t\t\t\t\t\thrEl.classList.remove( 'mute' );\n\t\t\t\t\t\t}\n\t\t\t\t\t\tminEl.innerHTML = ':' + zeroPadInteger( minutes );\n\t\t\t\t\t\tif (hours == 0 && minutes == 0) {\n\t\t\t\t\t\t\tminEl.classList.add( 'mute' );\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse {\n\t\t\t\t\t\t\tminEl.classList.remove( 'mute' );\n\t\t\t\t\t\t}\n\t\t\t\t\t\tsecEl.innerHTML = ':' + zeroPadInteger( seconds );\n\t\t\t\t\t}\n\n\t\t\t\t\tfunction _updateTimer() {\n\n\t\t\t\t\t\tvar diff, hours, minutes, seconds,\n\t\t\t\t\t\tnow = new Date();\n\n\t\t\t\t\t\tdiff = now.getTime() - start.getTime();\n\n\t\t\t\t\t\tclockEl.innerHTML = now.toLocaleTimeString( 'en-US', { hour12: true, hour: '2-digit', minute:'2-digit' } );\n\t\t\t\t\t\t_displayTime( hoursEl, minutesEl, secondsEl, diff );\n\t\t\t\t\t\tif (timings !== null) {\n\t\t\t\t\t\t\t_updatePacing(diff);\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfunction _updatePacing(diff) {\n\n\t\t\t\t\t\tgetTimeAllocated( timings, function ( slideEndTimingSeconds ) {\n\t\t\t\t\t\t\tvar slideEndTiming = slideEndTimingSeconds * 1000;\n\n\t\t\t\t\t\t\tcallRevealApi( 'getSlidePastCount', [], function ( currentSlide ) {\n\t\t\t\t\t\t\t\tvar currentSlideTiming = timings[currentSlide] * 1000;\n\t\t\t\t\t\t\t\tvar timeLeftCurrentSlide = slideEndTiming - diff;\n\t\t\t\t\t\t\t\tif (timeLeftCurrentSlide < 0) {\n\t\t\t\t\t\t\t\t\tpacingEl.className = 'pacing behind';\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\telse if (timeLeftCurrentSlide < currentSlideTiming) {\n\t\t\t\t\t\t\t\t\tpacingEl.className = 'pacing on-track';\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\telse {\n\t\t\t\t\t\t\t\t\tpacingEl.className = 'pacing ahead';\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t_displayTime( pacingHoursEl, pacingMinutesEl, pacingSecondsEl, timeLeftCurrentSlide );\n\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t} );\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t/**\n\t\t\t\t * Sets up the speaker view layout and layout selector.\n\t\t\t\t */\n\t\t\t\tfunction setupLayout() {\n\n\t\t\t\t\tlayoutDropdown = document.querySelector( '.speaker-layout-dropdown' );\n\t\t\t\t\tlayoutLabel = document.querySelector( '.speaker-layout-label' );\n\n\t\t\t\t\t// Render the list of available layouts\n\t\t\t\t\tfor( var id in SPEAKER_LAYOUTS ) {\n\t\t\t\t\t\tvar option = document.createElement( 'option' );\n\t\t\t\t\t\toption.setAttribute( 'value', id );\n\t\t\t\t\t\toption.textContent = SPEAKER_LAYOUTS[ id ];\n\t\t\t\t\t\tlayoutDropdown.appendChild( option );\n\t\t\t\t\t}\n\n\t\t\t\t\t// Monitor the dropdown for changes\n\t\t\t\t\tlayoutDropdown.addEventListener( 'change', function( event ) {\n\n\t\t\t\t\t\tsetLayout( layoutDropdown.value );\n\n\t\t\t\t\t}, false );\n\n\t\t\t\t\t// Restore any currently persisted layout\n\t\t\t\t\tsetLayout( getLayout() );\n\n\t\t\t\t}\n\n\t\t\t\t/**\n\t\t\t\t * Sets a new speaker view layout. The layout is persisted\n\t\t\t\t * in local storage.\n\t\t\t\t */\n\t\t\t\tfunction setLayout( value ) {\n\n\t\t\t\t\tvar title = SPEAKER_LAYOUTS[ value ];\n\n\t\t\t\t\tlayoutLabel.innerHTML = 'Layout' + ( title ? 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diff --git a/inst/reveal.js-4.6.1/plugin/notes/notes.js b/inst/reveal.js-4.6.1/plugin/notes/notes.js
new file mode 100644
index 0000000..f6e13bd
--- /dev/null
+++ b/inst/reveal.js-4.6.1/plugin/notes/notes.js
@@ -0,0 +1 @@
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e=this.rules.inline.escape.exec(t);if(e)return{type:"escape",raw:e[0],text:o(e[1])}}tag(t){const e=this.rules.inline.tag.exec(t);if(e)return!this.lexer.state.inLink&&/^<a /i.test(e[0])?this.lexer.state.inLink=!0:this.lexer.state.inLink&&/^<\/a>/i.test(e[0])&&(this.lexer.state.inLink=!1),!this.lexer.state.inRawBlock&&/^<(pre|code|kbd|script)(\s|>)/i.test(e[0])?this.lexer.state.inRawBlock=!0:this.lexer.state.inRawBlock&&/^<\/(pre|code|kbd|script)(\s|>)/i.test(e[0])&&(this.lexer.state.inRawBlock=!1),{type:this.options.sanitize?"text":"html",raw:e[0],inLink:this.lexer.state.inLink,inRawBlock:this.lexer.state.inRawBlock,text:this.options.sanitize?this.options.sanitizer?this.options.sanitizer(e[0]):o(e[0]):e[0]}}link(t){const e=this.rules.inline.link.exec(t);if(e){const t=e[2].trim();if(!this.options.pedantic&&/^</.test(t)){if(!/>$/.test(t))return;const e=S(t.slice(0,-1),"\\");if((t.length-e.length)%2==0)return}else{const t=function(t,e){if(-1===t.indexOf(e[1]))return-1;const n=t.length;let 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i=this.rules.inline.emStrong.lDelim.exec(t);if(!i)return;if(i[3]&&n.match(/[\p{L}\p{N}]/u))return;const s=i[1]||i[2]||"";if(!s||s&&(""===n||this.rules.inline.punctuation.exec(n))){const n=i[0].length-1;let s,r,a=n,l=0;const o="*"===i[0][0]?this.rules.inline.emStrong.rDelimAst:this.rules.inline.emStrong.rDelimUnd;for(o.lastIndex=0,e=e.slice(-1*t.length+n);null!=(i=o.exec(e));){if(s=i[1]||i[2]||i[3]||i[4]||i[5]||i[6],!s)continue;if(r=s.length,i[3]||i[4]){a+=r;continue}if((i[5]||i[6])&&n%3&&!((n+r)%3)){l+=r;continue}if(a-=r,a>0)continue;if(r=Math.min(r,r+a+l),Math.min(n,r)%2){const e=t.slice(1,n+i.index+r);return{type:"em",raw:t.slice(0,n+i.index+r+1),text:e,tokens:this.lexer.inlineTokens(e,[])}}const e=t.slice(2,n+i.index+r-1);return{type:"strong",raw:t.slice(0,n+i.index+r+1),text:e,tokens:this.lexer.inlineTokens(e,[])}}}}codespan(t){const e=this.rules.inline.code.exec(t);if(e){let t=e[2].replace(/\n/g," ");const n=/[^ ]/.test(t),i=/^ /.test(t)&&/ $/.test(t);return n&&i&&(t=t.substring(1,t.length-1)),t=o(t,!0),{type:"codespan",raw:e[0],text:t}}}br(t){const e=this.rules.inline.br.exec(t);if(e)return{type:"br",raw:e[0]}}del(t){const e=this.rules.inline.del.exec(t);if(e)return{type:"del",raw:e[0],text:e[2],tokens:this.lexer.inlineTokens(e[2],[])}}autolink(t,e){const n=this.rules.inline.autolink.exec(t);if(n){let t,i;return"@"===n[2]?(t=o(this.options.mangle?e(n[1]):n[1]),i="mailto:"+t):(t=o(n[1]),i=t),{type:"link",raw:n[0],text:t,href:i,tokens:[{type:"text",raw:t,text:t}]}}}url(t,e){let n;if(n=this.rules.inline.url.exec(t)){let t,i;if("@"===n[2])t=o(this.options.mangle?e(n[0]):n[0]),i="mailto:"+t;else{let e;do{e=n[0],n[0]=this.rules.inline._backpedal.exec(n[0])[0]}while(e!==n[0]);t=o(n[0]),i="www."===n[1]?"http://"+t:t}return{type:"link",raw:n[0],text:t,href:i,tokens:[{type:"text",raw:t,text:t}]}}}inlineText(t,e){const n=this.rules.inline.text.exec(t);if(n){let t;return t=this.lexer.state.inRawBlock?this.options.sanitize?this.options.sanitizer?this.options.sanitizer(n[0]):o(n[0]):n[0]:o(this.options.smartypants?e(n[0]):n[0]),{type:"text",raw:n[0],text:t}}}}const E={newline:/^(?: *(?:\n|$))+/,code:/^( {4}[^\n]+(?:\n(?: *(?:\n|$))*)?)+/,fences:/^ {0,3}(`{3,}(?=[^`\n]*\n)|~{3,})([^\n]*)\n(?:|([\s\S]*?)\n)(?: {0,3}\1[~`]* *(?=\n|$)|$)/,hr:/^ {0,3}((?:- *){3,}|(?:_ *){3,}|(?:\* *){3,})(?:\n+|$)/,heading:/^ {0,3}(#{1,6})(?=\s|$)(.*)(?:\n+|$)/,blockquote:/^( {0,3}> ?(paragraph|[^\n]*)(?:\n|$))+/,list:/^( {0,3}bull)( [^\n]+?)?(?:\n|$)/,html:"^ {0,3}(?:<(script|pre|style|textarea)[\\s>][\\s\\S]*?(?:</\\1>[^\\n]*\\n+|$)|comment[^\\n]*(\\n+|$)|<\\?[\\s\\S]*?(?:\\?>\\n*|$)|<![A-Z][\\s\\S]*?(?:>\\n*|$)|<!\\[CDATA\\[[\\s\\S]*?(?:\\]\\]>\\n*|$)|</?(tag)(?: +|\\n|/?>)[\\s\\S]*?(?:(?:\\n *)+\\n|$)|<(?!script|pre|style|textarea)([a-z][\\w-]*)(?:attribute)*? */?>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:(?:\\n *)+\\n|$)|</(?!script|pre|style|textarea)[a-z][\\w-]*\\s*>(?=[ 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").replace("html","</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|textarea|!--)").replace("tag",E._tag).getRegex(),E.pedantic=y({},E.normal,{html:d("^ *(?:comment *(?:\\n|\\s*$)|<(tag)[\\s\\S]+?</\\1> *(?:\\n{2,}|\\s*$)|<tag(?:\"[^\"]*\"|'[^']*'|\\s[^'\"/>\\s]*)*?/?> *(?:\\n{2,}|\\s*$))").replace("comment",E._comment).replace(/tag/g,"(?!(?:a|em|strong|small|s|cite|q|dfn|abbr|data|time|code|var|samp|kbd|sub|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo|span|br|wbr|ins|del|img)\\b)\\w+(?!:|[^\\w\\s@]*@)\\b").getRegex(),def:/^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +(["(][^\n]+[")]))? *(?:\n+|$)/,heading:/^(#{1,6})(.*)(?:\n+|$)/,fences:b,paragraph:d(E.normal._paragraph).replace("hr",E.hr).replace("heading"," *#{1,6} *[^\n]").replace("lheading",E.lheading).replace("blockquote"," {0,3}>").replace("|fences","").replace("|list","").replace("|html","").getRegex()});const $={escape:/^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/,autolink:/^<(scheme:[^\s\x00-\x1f<>]*|email)>/,url:b,tag:"^comment|^</[a-zA-Z][\\w:-]*\\s*>|^<[a-zA-Z][\\w-]*(?:attribute)*?\\s*/?>|^<\\?[\\s\\S]*?\\?>|^<![a-zA-Z]+\\s[\\s\\S]*?>|^<!\\[CDATA\\[[\\s\\S]*?\\]\\]>",link:/^!?\[(label)\]\(\s*(href)(?:\s+(title))?\s*\)/,reflink:/^!?\[(label)\]\[(ref)\]/,nolink:/^!?\[(ref)\](?:\[\])?/,reflinkSearch:"reflink|nolink(?!\\()",emStrong:{lDelim:/^(?:\*+(?:([punct_])|[^\s*]))|^_+(?:([punct*])|([^\s_]))/,rDelimAst:/^[^_*]*?\_\_[^_*]*?\*[^_*]*?(?=\_\_)|[punct_](\*+)(?=[\s]|$)|[^punct*_\s](\*+)(?=[punct_\s]|$)|[punct_\s](\*+)(?=[^punct*_\s])|[\s](\*+)(?=[punct_])|[punct_](\*+)(?=[punct_])|[^punct*_\s](\*+)(?=[^punct*_\s])/,rDelimUnd:/^[^_*]*?\*\*[^_*]*?\_[^_*]*?(?=\*\*)|[punct*](\_+)(?=[\s]|$)|[^punct*_\s](\_+)(?=[punct*\s]|$)|[punct*\s](\_+)(?=[^punct*_\s])|[\s](\_+)(?=[punct*])|[punct*](\_+)(?=[punct*])/},code:/^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/,br:/^( {2,}|\\)\n(?!\s*$)/,del:b,text:/^(`+|[^`])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\<!\[`*_]|\b_|$)|[^ ](?= {2,}\n)))/,punctuation:/^([\spunctuation])/};function L(t){return t.replace(/---/g,"—").replace(/--/g,"–").replace(/(^|[-\u2014/(\[{"\s])'/g,"$1‘").replace(/'/g,"’").replace(/(^|[-\u2014/(\[{\u2018\s])"/g,"$1“").replace(/"/g,"”").replace(/\.{3}/g,"…")}function R(t){let e,n,i="";const s=t.length;for(e=0;e<s;e++)n=t.charCodeAt(e),Math.random()>.5&&(n="x"+n.toString(16)),i+="&#"+n+";";return i}$._punctuation="!\"#$%&'()+\\-.,/:;<=>?@\\[\\]`^{|}~",$.punctuation=d($.punctuation).replace(/punctuation/g,$._punctuation).getRegex(),$.blockSkip=/\[[^\]]*?\]\([^\)]*?\)|`[^`]*?`|<[^>]*?>/g,$.escapedEmSt=/\\\*|\\_/g,$._comment=d(E._comment).replace("(?:--\x3e|$)","--\x3e").getRegex(),$.emStrong.lDelim=d($.emStrong.lDelim).replace(/punct/g,$._punctuation).getRegex(),$.emStrong.rDelimAst=d($.emStrong.rDelimAst,"g").replace(/punct/g,$._punctuation).getRegex(),$.emStrong.rDelimUnd=d($.emStrong.rDelimUnd,"g").replace(/punct/g,$._punctuation).getRegex(),$._escapes=/\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/g,$._scheme=/[a-zA-Z][a-zA-Z0-9+.-]{1,31}/,$._email=/[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+(@)[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+(?![-_])/,$.autolink=d($.autolink).replace("scheme",$._scheme).replace("email",$._email).getRegex(),$._attribute=/\s+[a-zA-Z:_][\w.:-]*(?:\s*=\s*"[^"]*"|\s*=\s*'[^']*'|\s*=\s*[^\s"'=<>`]+)?/,$.tag=d($.tag).replace("comment",$._comment).replace("attribute",$._attribute).getRegex(),$._label=/(?:\[(?:\\.|[^\[\]\\])*\]|\\.|`[^`]*`|[^\[\]\\`])*?/,$._href=/<(?:\\.|[^\n<>\\])+>|[^\s\x00-\x1f]*/,$._title=/"(?:\\"?|[^"\\])*"|'(?:\\'?|[^'\\])*'|\((?:\\\)?|[^)\\])*\)/,$.link=d($.link).replace("label",$._label).replace("href",$._href).replace("title",$._title).getRegex(),$.reflink=d($.reflink).replace("label",$._label).replace("ref",E._label).getRegex(),$.nolink=d($.nolink).replace("ref",E._label).getRegex(),$.reflinkSearch=d($.reflinkSearch,"g").replace("reflink",$.reflink).replace("nolink",$.nolink).getRegex(),$.normal=y({},$),$.pedantic=y({},$.normal,{strong:{start:/^__|\*\*/,middle:/^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,endAst:/\*\*(?!\*)/g,endUnd:/__(?!_)/g},em:{start:/^_|\*/,middle:/^()\*(?=\S)([\s\S]*?\S)\*(?!\*)|^_(?=\S)([\s\S]*?\S)_(?!_)/,endAst:/\*(?!\*)/g,endUnd:/_(?!_)/g},link:d(/^!?\[(label)\]\((.*?)\)/).replace("label",$._label).getRegex(),reflink:d(/^!?\[(label)\]\s*\[([^\]]*)\]/).replace("label",$._label).getRegex()}),$.gfm=y({},$.normal,{escape:d($.escape).replace("])","~|])").getRegex(),_extended_email:/[A-Za-z0-9._+-]+(@)[a-zA-Z0-9-_]+(?:\.[a-zA-Z0-9-_]*[a-zA-Z0-9])+(?![-_])/,url:/^((?:ftp|https?):\/\/|www\.)(?:[a-zA-Z0-9\-]+\.?)+[^\s<]*|^email/,_backpedal:/(?:[^?!.,:;*_~()&]+|\([^)]*\)|&(?![a-zA-Z0-9]+;$)|[?!.,:;*_~)]+(?!$))+/,del:/^(~~?)(?=[^\s~])([\s\S]*?[^\s~])\1(?=[^~]|$)/,text:/^([`~]+|[^`~])(?:(?= {2,}\n)|(?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@)|[\s\S]*?(?:(?=[\\<!\[`*~_]|\b_|https?:\/\/|ftp:\/\/|www\.|$)|[^ ](?= {2,}\n)|[^a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-](?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@)))/}),$.gfm.url=d($.gfm.url,"i").replace("email",$.gfm._extended_email).getRegex(),$.breaks=y({},$.gfm,{br:d($.br).replace("{2,}","*").getRegex(),text:d($.gfm.text).replace("\\b_","\\b_| {2,}\\n").replace(/\{2,\}/g,"*").getRegex()});class I{constructor(t){this.tokens=[],this.tokens.links=Object.create(null),this.options=t||e,this.options.tokenizer=this.options.tokenizer||new A,this.tokenizer=this.options.tokenizer,this.tokenizer.options=this.options,this.tokenizer.lexer=this,this.inlineQueue=[],this.state={inLink:!1,inRawBlock:!1,top:!0};const n={block:E.normal,inline:$.normal};this.options.pedantic?(n.block=E.pedantic,n.inline=$.pedantic):this.options.gfm&&(n.block=E.gfm,this.options.breaks?n.inline=$.breaks:n.inline=$.gfm),this.tokenizer.rules=n}static get rules(){return{block:E,inline:$}}static lex(t,e){return new I(e).lex(t)}static lexInline(t,e){return new I(e).inlineTokens(t)}lex(t){let e;for(t=t.replace(/\r\n|\r/g,"\n").replace(/\t/g,"    "),this.blockTokens(t,this.tokens);e=this.inlineQueue.shift();)this.inlineTokens(e.src,e.tokens);return this.tokens}blockTokens(t,e=[]){let n,i,s,r;for(this.options.pedantic&&(t=t.replace(/^ +$/gm,""));t;)if(!(this.options.extensions&&this.options.extensions.block&&this.options.extensions.block.some((i=>!!(n=i.call({lexer:this},t,e))&&(t=t.substring(n.raw.length),e.push(n),!0)))))if(n=this.tokenizer.space(t))t=t.substring(n.raw.length),1===n.raw.length&&e.length>0?e[e.length-1].raw+="\n":e.push(n);else if(n=this.tokenizer.code(t))t=t.substring(n.raw.length),i=e[e.length-1],!i||"paragraph"!==i.type&&"text"!==i.type?e.push(n):(i.raw+="\n"+n.raw,i.text+="\n"+n.text,this.inlineQueue[this.inlineQueue.length-1].src=i.text);else if(n=this.tokenizer.fences(t))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.heading(t))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.hr(t))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.blockquote(t))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.list(t))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.html(t))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.def(t))t=t.substring(n.raw.length),i=e[e.length-1],!i||"paragraph"!==i.type&&"text"!==i.type?this.tokens.links[n.tag]||(this.tokens.links[n.tag]={href:n.href,title:n.title}):(i.raw+="\n"+n.raw,i.text+="\n"+n.raw,this.inlineQueue[this.inlineQueue.length-1].src=i.text);else if(n=this.tokenizer.table(t))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.lheading(t))t=t.substring(n.raw.length),e.push(n);else{if(s=t,this.options.extensions&&this.options.extensions.startBlock){let e=1/0;const n=t.slice(1);let i;this.options.extensions.startBlock.forEach((function(t){i=t.call({lexer:this},n),"number"==typeof i&&i>=0&&(e=Math.min(e,i))})),e<1/0&&e>=0&&(s=t.substring(0,e+1))}if(this.state.top&&(n=this.tokenizer.paragraph(s)))i=e[e.length-1],r&&"paragraph"===i.type?(i.raw+="\n"+n.raw,i.text+="\n"+n.text,this.inlineQueue.pop(),this.inlineQueue[this.inlineQueue.length-1].src=i.text):e.push(n),r=s.length!==t.length,t=t.substring(n.raw.length);else if(n=this.tokenizer.text(t))t=t.substring(n.raw.length),i=e[e.length-1],i&&"text"===i.type?(i.raw+="\n"+n.raw,i.text+="\n"+n.text,this.inlineQueue.pop(),this.inlineQueue[this.inlineQueue.length-1].src=i.text):e.push(n);else if(t){const e="Infinite loop on byte: "+t.charCodeAt(0);if(this.options.silent){console.error(e);break}throw new Error(e)}}return this.state.top=!0,e}inline(t,e){this.inlineQueue.push({src:t,tokens:e})}inlineTokens(t,e=[]){let n,i,s,r,a,l,o=t;if(this.tokens.links){const t=Object.keys(this.tokens.links);if(t.length>0)for(;null!=(r=this.tokenizer.rules.inline.reflinkSearch.exec(o));)t.includes(r[0].slice(r[0].lastIndexOf("[")+1,-1))&&(o=o.slice(0,r.index)+"["+_("a",r[0].length-2)+"]"+o.slice(this.tokenizer.rules.inline.reflinkSearch.lastIndex))}for(;null!=(r=this.tokenizer.rules.inline.blockSkip.exec(o));)o=o.slice(0,r.index)+"["+_("a",r[0].length-2)+"]"+o.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);for(;null!=(r=this.tokenizer.rules.inline.escapedEmSt.exec(o));)o=o.slice(0,r.index)+"++"+o.slice(this.tokenizer.rules.inline.escapedEmSt.lastIndex);for(;t;)if(a||(l=""),a=!1,!(this.options.extensions&&this.options.extensions.inline&&this.options.extensions.inline.some((i=>!!(n=i.call({lexer:this},t,e))&&(t=t.substring(n.raw.length),e.push(n),!0)))))if(n=this.tokenizer.escape(t))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.tag(t))t=t.substring(n.raw.length),i=e[e.length-1],i&&"text"===n.type&&"text"===i.type?(i.raw+=n.raw,i.text+=n.text):e.push(n);else if(n=this.tokenizer.link(t))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.reflink(t,this.tokens.links))t=t.substring(n.raw.length),i=e[e.length-1],i&&"text"===n.type&&"text"===i.type?(i.raw+=n.raw,i.text+=n.text):e.push(n);else if(n=this.tokenizer.emStrong(t,o,l))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.codespan(t))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.br(t))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.del(t))t=t.substring(n.raw.length),e.push(n);else if(n=this.tokenizer.autolink(t,R))t=t.substring(n.raw.length),e.push(n);else if(this.state.inLink||!(n=this.tokenizer.url(t,R))){if(s=t,this.options.extensions&&this.options.extensions.startInline){let e=1/0;const n=t.slice(1);let i;this.options.extensions.startInline.forEach((function(t){i=t.call({lexer:this},n),"number"==typeof i&&i>=0&&(e=Math.min(e,i))})),e<1/0&&e>=0&&(s=t.substring(0,e+1))}if(n=this.tokenizer.inlineText(s,L))t=t.substring(n.raw.length),"_"!==n.raw.slice(-1)&&(l=n.raw.slice(-1)),a=!0,i=e[e.length-1],i&&"text"===i.type?(i.raw+=n.raw,i.text+=n.text):e.push(n);else if(t){const e="Infinite loop on byte: "+t.charCodeAt(0);if(this.options.silent){console.error(e);break}throw new Error(e)}}else t=t.substring(n.raw.length),e.push(n);return e}}class C{constructor(t){this.options=t||e}code(t,e,n){const i=(e||"").match(/\S*/)[0];if(this.options.highlight){const e=this.options.highlight(t,i);null!=e&&e!==t&&(n=!0,t=e)}return t=t.replace(/\n$/,"")+"\n",i?'<pre><code class="'+this.options.langPrefix+o(i,!0)+'">'+(n?t:o(t,!0))+"</code></pre>\n":"<pre><code>"+(n?t:o(t,!0))+"</code></pre>\n"}blockquote(t){return"<blockquote>\n"+t+"</blockquote>\n"}html(t){return t}heading(t,e,n,i){return this.options.headerIds?"<h"+e+' id="'+this.options.headerPrefix+i.slug(n)+'">'+t+"</h"+e+">\n":"<h"+e+">"+t+"</h"+e+">\n"}hr(){return this.options.xhtml?"<hr/>\n":"<hr>\n"}list(t,e,n){const i=e?"ol":"ul";return"<"+i+(e&&1!==n?' start="'+n+'"':"")+">\n"+t+"</"+i+">\n"}listitem(t){return"<li>"+t+"</li>\n"}checkbox(t){return"<input "+(t?'checked="" ':"")+'disabled="" type="checkbox"'+(this.options.xhtml?" /":"")+"> "}paragraph(t){return"<p>"+t+"</p>\n"}table(t,e){return e&&(e="<tbody>"+e+"</tbody>"),"<table>\n<thead>\n"+t+"</thead>\n"+e+"</table>\n"}tablerow(t){return"<tr>\n"+t+"</tr>\n"}tablecell(t,e){const n=e.header?"th":"td";return(e.align?"<"+n+' align="'+e.align+'">':"<"+n+">")+t+"</"+n+">\n"}strong(t){return"<strong>"+t+"</strong>"}em(t){return"<em>"+t+"</em>"}codespan(t){return"<code>"+t+"</code>"}br(){return this.options.xhtml?"<br/>":"<br>"}del(t){return"<del>"+t+"</del>"}link(t,e,n){if(null===(t=m(this.options.sanitize,this.options.baseUrl,t)))return n;let i='<a href="'+o(t)+'"';return e&&(i+=' title="'+e+'"'),i+=">"+n+"</a>",i}image(t,e,n){if(null===(t=m(this.options.sanitize,this.options.baseUrl,t)))return n;let i='<img src="'+t+'" alt="'+n+'"';return e&&(i+=' title="'+e+'"'),i+=this.options.xhtml?"/>":">",i}text(t){return t}}class M{strong(t){return t}em(t){return t}codespan(t){return t}del(t){return t}html(t){return t}text(t){return t}link(t,e,n){return""+n}image(t,e,n){return""+n}br(){return""}}class q{constructor(){this.seen={}}serialize(t){return t.toLowerCase().trim().replace(/<[!\/a-z].*?>/gi,"").replace(/[\u2000-\u206F\u2E00-\u2E7F\\'!"#$%&()*+,./:;<=>?@[\]^`{|}~]/g,"").replace(/\s/g,"-")}getNextSafeSlug(t,e){let n=t,i=0;if(this.seen.hasOwnProperty(n)){i=this.seen[t];do{i++,n=t+"-"+i}while(this.seen.hasOwnProperty(n))}return e||(this.seen[t]=i,this.seen[n]=0),n}slug(t,e={}){const n=this.serialize(t);return this.getNextSafeSlug(n,e.dryrun)}}class O{constructor(t){this.options=t||e,this.options.renderer=this.options.renderer||new C,this.renderer=this.options.renderer,this.renderer.options=this.options,this.textRenderer=new M,this.slugger=new q}static parse(t,e){return new O(e).parse(t)}static parseInline(t,e){return new O(e).parseInline(t)}parse(t,e=!0){let n,i,s,r,a,l,o,c,u,d,h,g,m,f,k,w,x,b,y,v="";const S=t.length;for(n=0;n<S;n++)if(d=t[n],this.options.extensions&&this.options.extensions.renderers&&this.options.extensions.renderers[d.type]&&(y=this.options.extensions.renderers[d.type].call({parser:this},d),!1!==y||!["space","hr","heading","code","table","blockquote","list","html","paragraph","text"].includes(d.type)))v+=y||"";else switch(d.type){case"space":continue;case"hr":v+=this.renderer.hr();continue;case"heading":v+=this.renderer.heading(this.parseInline(d.tokens),d.depth,p(this.parseInline(d.tokens,this.textRenderer)),this.slugger);continue;case"code":v+=this.renderer.code(d.text,d.lang,d.escaped);continue;case"table":for(c="",o="",r=d.header.length,i=0;i<r;i++)o+=this.renderer.tablecell(this.parseInline(d.header[i].tokens),{header:!0,align:d.align[i]});for(c+=this.renderer.tablerow(o),u="",r=d.rows.length,i=0;i<r;i++){for(l=d.rows[i],o="",a=l.length,s=0;s<a;s++)o+=this.renderer.tablecell(this.parseInline(l[s].tokens),{header:!1,align:d.align[s]});u+=this.renderer.tablerow(o)}v+=this.renderer.table(c,u);continue;case"blockquote":u=this.parse(d.tokens),v+=this.renderer.blockquote(u);continue;case"list":for(h=d.ordered,g=d.start,m=d.loose,r=d.items.length,u="",i=0;i<r;i++)k=d.items[i],w=k.checked,x=k.task,f="",k.task&&(b=this.renderer.checkbox(w),m?k.tokens.length>0&&"paragraph"===k.tokens[0].type?(k.tokens[0].text=b+" "+k.tokens[0].text,k.tokens[0].tokens&&k.tokens[0].tokens.length>0&&"text"===k.tokens[0].tokens[0].type&&(k.tokens[0].tokens[0].text=b+" "+k.tokens[0].tokens[0].text)):k.tokens.unshift({type:"text",text:b}):f+=b),f+=this.parse(k.tokens,m),u+=this.renderer.listitem(f,x,w);v+=this.renderer.list(u,h,g);continue;case"html":v+=this.renderer.html(d.text);continue;case"paragraph":v+=this.renderer.paragraph(this.parseInline(d.tokens));continue;case"text":for(u=d.tokens?this.parseInline(d.tokens):d.text;n+1<S&&"text"===t[n+1].type;)d=t[++n],u+="\n"+(d.tokens?this.parseInline(d.tokens):d.text);v+=e?this.renderer.paragraph(u):u;continue;default:{const t='Token with "'+d.type+'" type was not found.';if(this.options.silent)return void console.error(t);throw new Error(t)}}return v}parseInline(t,e){e=e||this.renderer;let n,i,s,r="";const a=t.length;for(n=0;n<a;n++)if(i=t[n],this.options.extensions&&this.options.extensions.renderers&&this.options.extensions.renderers[i.type]&&(s=this.options.extensions.renderers[i.type].call({parser:this},i),!1!==s||!["escape","html","link","image","strong","em","codespan","br","del","text"].includes(i.type)))r+=s||"";else switch(i.type){case"escape":case"text":r+=e.text(i.text);break;case"html":r+=e.html(i.text);break;case"link":r+=e.link(i.href,i.title,this.parseInline(i.tokens,e));break;case"image":r+=e.image(i.href,i.title,i.text);break;case"strong":r+=e.strong(this.parseInline(i.tokens,e));break;case"em":r+=e.em(this.parseInline(i.tokens,e));break;case"codespan":r+=e.codespan(i.text);break;case"br":r+=e.br();break;case"del":r+=e.del(this.parseInline(i.tokens,e));break;default:{const t='Token with "'+i.type+'" type was not found.';if(this.options.silent)return void console.error(t);throw new Error(t)}}return r}}function N(t,e,n){if(null==t)throw new Error("marked(): input parameter is undefined or null");if("string"!=typeof t)throw new Error("marked(): input parameter is of type "+Object.prototype.toString.call(t)+", string expected");if("function"==typeof e&&(n=e,e=null),T(e=y({},N.defaults,e||{})),n){const i=e.highlight;let s;try{s=I.lex(t,e)}catch(t){return n(t)}const r=function(t){let r;if(!t)try{e.walkTokens&&N.walkTokens(s,e.walkTokens),r=O.parse(s,e)}catch(e){t=e}return e.highlight=i,t?n(t):n(null,r)};if(!i||i.length<3)return r();if(delete e.highlight,!s.length)return r();let a=0;return N.walkTokens(s,(function(t){"code"===t.type&&(a++,setTimeout((()=>{i(t.text,t.lang,(function(e,n){if(e)return r(e);null!=n&&n!==t.text&&(t.text=n,t.escaped=!0),a--,0===a&&r()}))}),0))})),void(0===a&&r())}try{const n=I.lex(t,e);return e.walkTokens&&N.walkTokens(n,e.walkTokens),O.parse(n,e)}catch(t){if(t.message+="\nPlease report this to https://github.com/markedjs/marked.",e.silent)return"<p>An error occurred:</p><pre>"+o(t.message+"",!0)+"</pre>";throw t}}N.options=N.setOptions=function(t){var n;return y(N.defaults,t),n=N.defaults,e=n,N},N.getDefaults=t,N.defaults=e,N.use=function(...t){const e=y({},...t),n=N.defaults.extensions||{renderers:{},childTokens:{}};let i;t.forEach((t=>{if(t.extensions&&(i=!0,t.extensions.forEach((t=>{if(!t.name)throw new Error("extension name required");if(t.renderer){const e=n.renderers?n.renderers[t.name]:null;n.renderers[t.name]=e?function(...n){let i=t.renderer.apply(this,n);return!1===i&&(i=e.apply(this,n)),i}:t.renderer}if(t.tokenizer){if(!t.level||"block"!==t.level&&"inline"!==t.level)throw new Error("extension level must be 'block' or 'inline'");n[t.level]?n[t.level].unshift(t.tokenizer):n[t.level]=[t.tokenizer],t.start&&("block"===t.level?n.startBlock?n.startBlock.push(t.start):n.startBlock=[t.start]:"inline"===t.level&&(n.startInline?n.startInline.push(t.start):n.startInline=[t.start]))}t.childTokens&&(n.childTokens[t.name]=t.childTokens)}))),t.renderer){const n=N.defaults.renderer||new C;for(const e in t.renderer){const i=n[e];n[e]=(...s)=>{let r=t.renderer[e].apply(n,s);return!1===r&&(r=i.apply(n,s)),r}}e.renderer=n}if(t.tokenizer){const n=N.defaults.tokenizer||new A;for(const e in t.tokenizer){const i=n[e];n[e]=(...s)=>{let r=t.tokenizer[e].apply(n,s);return!1===r&&(r=i.apply(n,s)),r}}e.tokenizer=n}if(t.walkTokens){const n=N.defaults.walkTokens;e.walkTokens=function(e){t.walkTokens.call(this,e),n&&n.call(this,e)}}i&&(e.extensions=n),N.setOptions(e)}))},N.walkTokens=function(t,e){for(const n of t)switch(e.call(N,n),n.type){case"table":for(const t of n.header)N.walkTokens(t.tokens,e);for(const t of n.rows)for(const n of t)N.walkTokens(n.tokens,e);break;case"list":N.walkTokens(n.items,e);break;default:N.defaults.extensions&&N.defaults.extensions.childTokens&&N.defaults.extensions.childTokens[n.type]?N.defaults.extensions.childTokens[n.type].forEach((function(t){N.walkTokens(n[t],e)})):n.tokens&&N.walkTokens(n.tokens,e)}},N.parseInline=function(t,e){if(null==t)throw new Error("marked.parseInline(): input parameter is undefined or null");if("string"!=typeof t)throw new Error("marked.parseInline(): input parameter is of type "+Object.prototype.toString.call(t)+", string expected");T(e=y({},N.defaults,e||{}));try{const n=I.lexInline(t,e);return e.walkTokens&&N.walkTokens(n,e.walkTokens),O.parseInline(n,e)}catch(t){if(t.message+="\nPlease report this to https://github.com/markedjs/marked.",e.silent)return"<p>An error occurred:</p><pre>"+o(t.message+"",!0)+"</pre>";throw t}},N.Parser=O,N.parser=O.parse,N.Renderer=C,N.TextRenderer=M,N.Lexer=I,N.lexer=I.lex,N.Tokenizer=A,N.Slugger=q,N.parse=N;return()=>{let t,e,n=null;function i(){if(n&&!n.closed)n.focus();else{if(n=window.open("about:blank","reveal.js - Notes","width=1100,height=700"),n.marked=N,n.document.write("\x3c!--\n\tNOTE: You need to build the notes plugin after making changes to this file.\n--\x3e\n<html lang=\"en\">\n\t<head>\n\t\t<meta charset=\"utf-8\">\n\n\t\t<title>reveal.js - Speaker View</title>\n\n\t\t<style>\n\t\t\tbody {\n\t\t\t\tfont-family: Helvetica;\n\t\t\t\tfont-size: 18px;\n\t\t\t}\n\n\t\t\t#current-slide,\n\t\t\t#upcoming-slide,\n\t\t\t#speaker-controls {\n\t\t\t\tpadding: 6px;\n\t\t\t\tbox-sizing: border-box;\n\t\t\t\t-moz-box-sizing: border-box;\n\t\t\t}\n\n\t\t\t#current-slide iframe,\n\t\t\t#upcoming-slide iframe {\n\t\t\t\twidth: 100%;\n\t\t\t\theight: 100%;\n\t\t\t\tborder: 1px solid #ddd;\n\t\t\t}\n\n\t\t\t#current-slide .label,\n\t\t\t#upcoming-slide .label {\n\t\t\t\tposition: absolute;\n\t\t\t\ttop: 10px;\n\t\t\t\tleft: 10px;\n\t\t\t\tz-index: 2;\n\t\t\t}\n\n\t\t\t#connection-status {\n\t\t\t\tposition: absolute;\n\t\t\t\ttop: 0;\n\t\t\t\tleft: 0;\n\t\t\t\twidth: 100%;\n\t\t\t\theight: 100%;\n\t\t\t\tz-index: 20;\n\t\t\t\tpadding: 30% 20% 20% 20%;\n\t\t\t\tfont-size: 18px;\n\t\t\t\tcolor: #222;\n\t\t\t\tbackground: #fff;\n\t\t\t\ttext-align: center;\n\t\t\t\tbox-sizing: border-box;\n\t\t\t\tline-height: 1.4;\n\t\t\t}\n\n\t\t\t.overlay-element {\n\t\t\t\theight: 34px;\n\t\t\t\tline-height: 34px;\n\t\t\t\tpadding: 0 10px;\n\t\t\t\ttext-shadow: none;\n\t\t\t\tbackground: rgba( 220, 220, 220, 0.8 );\n\t\t\t\tcolor: #222;\n\t\t\t\tfont-size: 14px;\n\t\t\t}\n\n\t\t\t.overlay-element.interactive:hover {\n\t\t\t\tbackground: rgba( 220, 220, 220, 1 );\n\t\t\t}\n\n\t\t\t#current-slide {\n\t\t\t\tposition: absolute;\n\t\t\t\twidth: 60%;\n\t\t\t\theight: 100%;\n\t\t\t\ttop: 0;\n\t\t\t\tleft: 0;\n\t\t\t\tpadding-right: 0;\n\t\t\t}\n\n\t\t\t#upcoming-slide {\n\t\t\t\tposition: absolute;\n\t\t\t\twidth: 40%;\n\t\t\t\theight: 40%;\n\t\t\t\tright: 0;\n\t\t\t\ttop: 0;\n\t\t\t}\n\n\t\t\t/* Speaker controls */\n\t\t\t#speaker-controls {\n\t\t\t\tposition: absolute;\n\t\t\t\ttop: 40%;\n\t\t\t\tright: 0;\n\t\t\t\twidth: 40%;\n\t\t\t\theight: 60%;\n\t\t\t\toverflow: auto;\n\t\t\t\tfont-size: 18px;\n\t\t\t}\n\n\t\t\t\t.speaker-controls-time.hidden,\n\t\t\t\t.speaker-controls-notes.hidden {\n\t\t\t\t\tdisplay: none;\n\t\t\t\t}\n\n\t\t\t\t.speaker-controls-time .label,\n\t\t\t\t.speaker-controls-pace .label,\n\t\t\t\t.speaker-controls-notes .label {\n\t\t\t\t\ttext-transform: uppercase;\n\t\t\t\t\tfont-weight: normal;\n\t\t\t\t\tfont-size: 0.66em;\n\t\t\t\t\tcolor: #666;\n\t\t\t\t\tmargin: 0;\n\t\t\t\t}\n\n\t\t\t\t.speaker-controls-time, .speaker-controls-pace {\n\t\t\t\t\tborder-bottom: 1px solid rgba( 200, 200, 200, 0.5 );\n\t\t\t\t\tmargin-bottom: 10px;\n\t\t\t\t\tpadding: 10px 16px;\n\t\t\t\t\tpadding-bottom: 20px;\n\t\t\t\t\tcursor: pointer;\n\t\t\t\t}\n\n\t\t\t\t.speaker-controls-time .reset-button {\n\t\t\t\t\topacity: 0;\n\t\t\t\t\tfloat: right;\n\t\t\t\t\tcolor: #666;\n\t\t\t\t\ttext-decoration: none;\n\t\t\t\t}\n\t\t\t\t.speaker-controls-time:hover .reset-button {\n\t\t\t\t\topacity: 1;\n\t\t\t\t}\n\n\t\t\t\t.speaker-controls-time .timer,\n\t\t\t\t.speaker-controls-time .clock {\n\t\t\t\t\twidth: 50%;\n\t\t\t\t}\n\n\t\t\t\t.speaker-controls-time .timer,\n\t\t\t\t.speaker-controls-time .clock,\n\t\t\t\t.speaker-controls-time .pacing .hours-value,\n\t\t\t\t.speaker-controls-time .pacing .minutes-value,\n\t\t\t\t.speaker-controls-time .pacing .seconds-value {\n\t\t\t\t\tfont-size: 1.9em;\n\t\t\t\t}\n\n\t\t\t\t.speaker-controls-time .timer {\n\t\t\t\t\tfloat: left;\n\t\t\t\t}\n\n\t\t\t\t.speaker-controls-time .clock {\n\t\t\t\t\tfloat: right;\n\t\t\t\t\ttext-align: right;\n\t\t\t\t}\n\n\t\t\t\t.speaker-controls-time span.mute {\n\t\t\t\t\topacity: 0.3;\n\t\t\t\t}\n\n\t\t\t\t.speaker-controls-time .pacing-title {\n\t\t\t\t\tmargin-top: 5px;\n\t\t\t\t}\n\n\t\t\t\t.speaker-controls-time .pacing.ahead {\n\t\t\t\t\tcolor: blue;\n\t\t\t\t}\n\n\t\t\t\t.speaker-controls-time .pacing.on-track {\n\t\t\t\t\tcolor: green;\n\t\t\t\t}\n\n\t\t\t\t.speaker-controls-time .pacing.behind {\n\t\t\t\t\tcolor: red;\n\t\t\t\t}\n\n\t\t\t\t.speaker-controls-notes {\n\t\t\t\t\tpadding: 10px 16px;\n\t\t\t\t}\n\n\t\t\t\t.speaker-controls-notes .value {\n\t\t\t\t\tmargin-top: 5px;\n\t\t\t\t\tline-height: 1.4;\n\t\t\t\t\tfont-size: 1.2em;\n\t\t\t\t}\n\n\t\t\t/* Layout selector */\n\t\t\t#speaker-layout {\n\t\t\t\tposition: absolute;\n\t\t\t\ttop: 10px;\n\t\t\t\tright: 10px;\n\t\t\t\tcolor: #222;\n\t\t\t\tz-index: 10;\n\t\t\t}\n\t\t\t\t#speaker-layout select {\n\t\t\t\t\tposition: absolute;\n\t\t\t\t\twidth: 100%;\n\t\t\t\t\theight: 100%;\n\t\t\t\t\ttop: 0;\n\t\t\t\t\tleft: 0;\n\t\t\t\t\tborder: 0;\n\t\t\t\t\tbox-shadow: 0;\n\t\t\t\t\tcursor: pointer;\n\t\t\t\t\topacity: 0;\n\n\t\t\t\t\tfont-size: 1em;\n\t\t\t\t\tbackground-color: transparent;\n\n\t\t\t\t\t-moz-appearance: none;\n\t\t\t\t\t-webkit-appearance: none;\n\t\t\t\t\t-webkit-tap-highlight-color: rgba(0, 0, 0, 0);\n\t\t\t\t}\n\n\t\t\t\t#speaker-layout select:focus {\n\t\t\t\t\toutline: none;\n\t\t\t\t\tbox-shadow: none;\n\t\t\t\t}\n\n\t\t\t.clear {\n\t\t\t\tclear: both;\n\t\t\t}\n\n\t\t\t/* Speaker layout: Wide */\n\t\t\tbody[data-speaker-layout=\"wide\"] #current-slide,\n\t\t\tbody[data-speaker-layout=\"wide\"] #upcoming-slide {\n\t\t\t\twidth: 50%;\n\t\t\t\theight: 45%;\n\t\t\t\tpadding: 6px;\n\t\t\t}\n\n\t\t\tbody[data-speaker-layout=\"wide\"] #current-slide {\n\t\t\t\ttop: 0;\n\t\t\t\tleft: 0;\n\t\t\t}\n\n\t\t\tbody[data-speaker-layout=\"wide\"] #upcoming-slide {\n\t\t\t\ttop: 0;\n\t\t\t\tleft: 50%;\n\t\t\t}\n\n\t\t\tbody[data-speaker-layout=\"wide\"] #speaker-controls {\n\t\t\t\ttop: 45%;\n\t\t\t\tleft: 0;\n\t\t\t\twidth: 100%;\n\t\t\t\theight: 50%;\n\t\t\t\tfont-size: 1.25em;\n\t\t\t}\n\n\t\t\t/* Speaker layout: Tall */\n\t\t\tbody[data-speaker-layout=\"tall\"] #current-slide,\n\t\t\tbody[data-speaker-layout=\"tall\"] #upcoming-slide {\n\t\t\t\twidth: 45%;\n\t\t\t\theight: 50%;\n\t\t\t\tpadding: 6px;\n\t\t\t}\n\n\t\t\tbody[data-speaker-layout=\"tall\"] #current-slide {\n\t\t\t\ttop: 0;\n\t\t\t\tleft: 0;\n\t\t\t}\n\n\t\t\tbody[data-speaker-layout=\"tall\"] #upcoming-slide {\n\t\t\t\ttop: 50%;\n\t\t\t\tleft: 0;\n\t\t\t}\n\n\t\t\tbody[data-speaker-layout=\"tall\"] #speaker-controls {\n\t\t\t\tpadding-top: 40px;\n\t\t\t\ttop: 0;\n\t\t\t\tleft: 45%;\n\t\t\t\twidth: 55%;\n\t\t\t\theight: 100%;\n\t\t\t\tfont-size: 1.25em;\n\t\t\t}\n\n\t\t\t/* Speaker layout: Notes only */\n\t\t\tbody[data-speaker-layout=\"notes-only\"] #current-slide,\n\t\t\tbody[data-speaker-layout=\"notes-only\"] #upcoming-slide {\n\t\t\t\tdisplay: none;\n\t\t\t}\n\n\t\t\tbody[data-speaker-layout=\"notes-only\"] #speaker-controls {\n\t\t\t\tpadding-top: 40px;\n\t\t\t\ttop: 0;\n\t\t\t\tleft: 0;\n\t\t\t\twidth: 100%;\n\t\t\t\theight: 100%;\n\t\t\t\tfont-size: 1.25em;\n\t\t\t}\n\n\t\t\t@media screen and (max-width: 1080px) {\n\t\t\t\tbody[data-speaker-layout=\"default\"] #speaker-controls {\n\t\t\t\t\tfont-size: 16px;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t@media screen and (max-width: 900px) {\n\t\t\t\tbody[data-speaker-layout=\"default\"] #speaker-controls {\n\t\t\t\t\tfont-size: 14px;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t@media screen and (max-width: 800px) {\n\t\t\t\tbody[data-speaker-layout=\"default\"] #speaker-controls {\n\t\t\t\t\tfont-size: 12px;\n\t\t\t\t}\n\t\t\t}\n\n\t\t</style>\n\t</head>\n\n\t<body>\n\n\t\t<div id=\"connection-status\">Loading speaker view...</div>\n\n\t\t<div id=\"current-slide\"></div>\n\t\t<div id=\"upcoming-slide\"><span class=\"overlay-element label\">Upcoming</span></div>\n\t\t<div id=\"speaker-controls\">\n\t\t\t<div class=\"speaker-controls-time\">\n\t\t\t\t<h4 class=\"label\">Time <span class=\"reset-button\">Click to Reset</span></h4>\n\t\t\t\t<div class=\"clock\">\n\t\t\t\t\t<span class=\"clock-value\">0:00 AM</span>\n\t\t\t\t</div>\n\t\t\t\t<div class=\"timer\">\n\t\t\t\t\t<span class=\"hours-value\">00</span><span class=\"minutes-value\">:00</span><span class=\"seconds-value\">:00</span>\n\t\t\t\t</div>\n\t\t\t\t<div class=\"clear\"></div>\n\n\t\t\t\t<h4 class=\"label pacing-title\" style=\"display: none\">Pacing – Time to finish current slide</h4>\n\t\t\t\t<div class=\"pacing\" style=\"display: none\">\n\t\t\t\t\t<span class=\"hours-value\">00</span><span class=\"minutes-value\">:00</span><span class=\"seconds-value\">:00</span>\n\t\t\t\t</div>\n\t\t\t</div>\n\n\t\t\t<div class=\"speaker-controls-notes hidden\">\n\t\t\t\t<h4 class=\"label\">Notes</h4>\n\t\t\t\t<div class=\"value\"></div>\n\t\t\t</div>\n\t\t</div>\n\t\t<div id=\"speaker-layout\" class=\"overlay-element interactive\">\n\t\t\t<span class=\"speaker-layout-label\"></span>\n\t\t\t<select class=\"speaker-layout-dropdown\"></select>\n\t\t</div>\n\n\t\t<script>\n\n\t\t\t(function() {\n\n\t\t\t\tvar notes,\n\t\t\t\t\tnotesValue,\n\t\t\t\t\tcurrentState,\n\t\t\t\t\tcurrentSlide,\n\t\t\t\t\tupcomingSlide,\n\t\t\t\t\tlayoutLabel,\n\t\t\t\t\tlayoutDropdown,\n\t\t\t\t\tpendingCalls = {},\n\t\t\t\t\tlastRevealApiCallId = 0,\n\t\t\t\t\tconnected = false\n\n\t\t\t\tvar connectionStatus = document.querySelector( '#connection-status' );\n\n\t\t\t\tvar SPEAKER_LAYOUTS = {\n\t\t\t\t\t'default': 'Default',\n\t\t\t\t\t'wide': 'Wide',\n\t\t\t\t\t'tall': 'Tall',\n\t\t\t\t\t'notes-only': 'Notes only'\n\t\t\t\t};\n\n\t\t\t\tsetupLayout();\n\n\t\t\t\tlet openerOrigin;\n\n\t\t\t\ttry {\n\t\t\t\t\topenerOrigin = window.opener.location.origin;\n\t\t\t\t}\n\t\t\t\tcatch ( error ) { console.warn( error ) }\n\n\t\t\t\t// In order to prevent XSS, the speaker view will only run if its\n\t\t\t\t// opener has the same origin as itself\n\t\t\t\tif( window.location.origin !== openerOrigin ) {\n\t\t\t\t\tconnectionStatus.innerHTML = 'Cross origin error.<br>The speaker window can only be opened from the same origin.';\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tvar connectionTimeout = setTimeout( function() {\n\t\t\t\t\tconnectionStatus.innerHTML = 'Error connecting to main window.<br>Please try closing and reopening the speaker view.';\n\t\t\t\t}, 5000 );\n\n\t\t\t\twindow.addEventListener( 'message', function( event ) {\n\n\t\t\t\t\tclearTimeout( connectionTimeout );\n\t\t\t\t\tconnectionStatus.style.display = 'none';\n\n\t\t\t\t\tvar data = JSON.parse( event.data );\n\n\t\t\t\t\t// The overview mode is only useful to the reveal.js instance\n\t\t\t\t\t// where navigation occurs so we don't sync it\n\t\t\t\t\tif( data.state ) delete data.state.overview;\n\n\t\t\t\t\t// Messages sent by the notes plugin inside of the main window\n\t\t\t\t\tif( data && data.namespace === 'reveal-notes' ) {\n\t\t\t\t\t\tif( data.type === 'connect' ) {\n\t\t\t\t\t\t\thandleConnectMessage( data );\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse if( data.type === 'state' ) {\n\t\t\t\t\t\t\thandleStateMessage( data );\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse if( data.type === 'return' ) {\n\t\t\t\t\t\t\tpendingCalls[data.callId](data.result);\n\t\t\t\t\t\t\tdelete pendingCalls[data.callId];\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\t// Messages sent by the reveal.js inside of the current slide preview\n\t\t\t\t\telse if( data && data.namespace === 'reveal' ) {\n\t\t\t\t\t\tif( /ready/.test( data.eventName ) ) {\n\t\t\t\t\t\t\t// Send a message back to notify that the handshake is complete\n\t\t\t\t\t\t\twindow.opener.postMessage( JSON.stringify({ namespace: 'reveal-notes', type: 'connected'} ), '*' );\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse if( /slidechanged|fragmentshown|fragmenthidden|paused|resumed/.test( data.eventName ) && currentState !== JSON.stringify( data.state ) ) {\n\n\t\t\t\t\t\t\tdispatchStateToMainWindow( data.state );\n\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\t/**\n\t\t\t\t * Updates the presentation in the main window to match the state\n\t\t\t\t * of the presentation in the notes window.\n\t\t\t\t */\n\t\t\t\tconst dispatchStateToMainWindow = debounce(( state ) => {\n\t\t\t\t\twindow.opener.postMessage( JSON.stringify({ method: 'setState', args: [ state ]} ), '*' );\n\t\t\t\t}, 500);\n\n\t\t\t\t/**\n\t\t\t\t * Asynchronously calls the Reveal.js API of the main frame.\n\t\t\t\t */\n\t\t\t\tfunction callRevealApi( methodName, methodArguments, callback ) {\n\n\t\t\t\t\tvar callId = ++lastRevealApiCallId;\n\t\t\t\t\tpendingCalls[callId] = callback;\n\t\t\t\t\twindow.opener.postMessage( JSON.stringify( {\n\t\t\t\t\t\tnamespace: 'reveal-notes',\n\t\t\t\t\t\ttype: 'call',\n\t\t\t\t\t\tcallId: callId,\n\t\t\t\t\t\tmethodName: methodName,\n\t\t\t\t\t\targuments: methodArguments\n\t\t\t\t\t} ), '*' );\n\n\t\t\t\t}\n\n\t\t\t\t/**\n\t\t\t\t * Called when the main window is trying to establish a\n\t\t\t\t * connection.\n\t\t\t\t */\n\t\t\t\tfunction handleConnectMessage( data ) {\n\n\t\t\t\t\tif( connected === false ) {\n\t\t\t\t\t\tconnected = true;\n\n\t\t\t\t\t\tsetupIframes( data );\n\t\t\t\t\t\tsetupKeyboard();\n\t\t\t\t\t\tsetupNotes();\n\t\t\t\t\t\tsetupTimer();\n\t\t\t\t\t\tsetupHeartbeat();\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t/**\n\t\t\t\t * Called when the main window sends an updated state.\n\t\t\t\t */\n\t\t\t\tfunction handleStateMessage( data ) {\n\n\t\t\t\t\t// Store the most recently set state to avoid circular loops\n\t\t\t\t\t// applying the same state\n\t\t\t\t\tcurrentState = JSON.stringify( data.state );\n\n\t\t\t\t\t// No need for updating the notes in case of fragment changes\n\t\t\t\t\tif ( data.notes ) {\n\t\t\t\t\t\tnotes.classList.remove( 'hidden' );\n\t\t\t\t\t\tnotesValue.style.whiteSpace = data.whitespace;\n\t\t\t\t\t\tif( data.markdown ) {\n\t\t\t\t\t\t\tnotesValue.innerHTML = marked( data.notes );\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse {\n\t\t\t\t\t\t\tnotesValue.innerHTML = data.notes;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tnotes.classList.add( 'hidden' );\n\t\t\t\t\t}\n\n\t\t\t\t\t// Update the note slides\n\t\t\t\t\tcurrentSlide.contentWindow.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ] }), '*' );\n\t\t\t\t\tupcomingSlide.contentWindow.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ] }), '*' );\n\t\t\t\t\tupcomingSlide.contentWindow.postMessage( JSON.stringify({ method: 'next' }), '*' );\n\n\t\t\t\t}\n\n\t\t\t\t// Limit to max one state update per X ms\n\t\t\t\thandleStateMessage = debounce( handleStateMessage, 200 );\n\n\t\t\t\t/**\n\t\t\t\t * Forward keyboard events to the current slide window.\n\t\t\t\t * This enables keyboard events to work even if focus\n\t\t\t\t * isn't set on the current slide iframe.\n\t\t\t\t *\n\t\t\t\t * Block F5 default handling, it reloads and disconnects\n\t\t\t\t * the speaker notes window.\n\t\t\t\t */\n\t\t\t\tfunction setupKeyboard() {\n\n\t\t\t\t\tdocument.addEventListener( 'keydown', function( event ) {\n\t\t\t\t\t\tif( event.keyCode === 116 || ( event.metaKey && event.keyCode === 82 ) ) {\n\t\t\t\t\t\t\tevent.preventDefault();\n\t\t\t\t\t\t\treturn false;\n\t\t\t\t\t\t}\n\t\t\t\t\t\tcurrentSlide.contentWindow.postMessage( JSON.stringify({ method: 'triggerKey', args: [ event.keyCode ] }), '*' );\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t\t/**\n\t\t\t\t * Creates the preview iframes.\n\t\t\t\t */\n\t\t\t\tfunction setupIframes( data ) {\n\n\t\t\t\t\tvar params = [\n\t\t\t\t\t\t'receiver',\n\t\t\t\t\t\t'progress=false',\n\t\t\t\t\t\t'history=false',\n\t\t\t\t\t\t'transition=none',\n\t\t\t\t\t\t'autoSlide=0',\n\t\t\t\t\t\t'backgroundTransition=none'\n\t\t\t\t\t].join( '&' );\n\n\t\t\t\t\tvar urlSeparator = /\\?/.test(data.url) ? '&' : '?';\n\t\t\t\t\tvar hash = '#/' + data.state.indexh + '/' + data.state.indexv;\n\t\t\t\t\tvar currentURL = data.url + urlSeparator + params + '&postMessageEvents=true' + hash;\n\t\t\t\t\tvar upcomingURL = data.url + urlSeparator + params + '&controls=false' + hash;\n\n\t\t\t\t\tcurrentSlide = document.createElement( 'iframe' );\n\t\t\t\t\tcurrentSlide.setAttribute( 'width', 1280 );\n\t\t\t\t\tcurrentSlide.setAttribute( 'height', 1024 );\n\t\t\t\t\tcurrentSlide.setAttribute( 'src', currentURL );\n\t\t\t\t\tdocument.querySelector( '#current-slide' ).appendChild( currentSlide );\n\n\t\t\t\t\tupcomingSlide = document.createElement( 'iframe' );\n\t\t\t\t\tupcomingSlide.setAttribute( 'width', 640 );\n\t\t\t\t\tupcomingSlide.setAttribute( 'height', 512 );\n\t\t\t\t\tupcomingSlide.setAttribute( 'src', upcomingURL );\n\t\t\t\t\tdocument.querySelector( '#upcoming-slide' ).appendChild( upcomingSlide );\n\n\t\t\t\t}\n\n\t\t\t\t/**\n\t\t\t\t * Setup the notes UI.\n\t\t\t\t */\n\t\t\t\tfunction setupNotes() {\n\n\t\t\t\t\tnotes = document.querySelector( '.speaker-controls-notes' );\n\t\t\t\t\tnotesValue = document.querySelector( '.speaker-controls-notes .value' );\n\n\t\t\t\t}\n\n\t\t\t\t/**\n\t\t\t\t * We send out a heartbeat at all times to ensure we can\n\t\t\t\t * reconnect with the main presentation window after reloads.\n\t\t\t\t */\n\t\t\t\tfunction setupHeartbeat() {\n\n\t\t\t\t\tsetInterval( () => {\n\t\t\t\t\t\twindow.opener.postMessage( JSON.stringify({ namespace: 'reveal-notes', type: 'heartbeat'} ), '*' );\n\t\t\t\t\t}, 1000 );\n\n\t\t\t\t}\n\n\t\t\t\tfunction getTimings( callback ) {\n\n\t\t\t\t\tcallRevealApi( 'getSlidesAttributes', [], function ( slideAttributes ) {\n\t\t\t\t\t\tcallRevealApi( 'getConfig', [], function ( config ) {\n\t\t\t\t\t\t\tvar totalTime = config.totalTime;\n\t\t\t\t\t\t\tvar minTimePerSlide = config.minimumTimePerSlide || 0;\n\t\t\t\t\t\t\tvar defaultTiming = config.defaultTiming;\n\t\t\t\t\t\t\tif ((defaultTiming == null) && (totalTime == null)) {\n\t\t\t\t\t\t\t\tcallback(null);\n\t\t\t\t\t\t\t\treturn;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t// Setting totalTime overrides defaultTiming\n\t\t\t\t\t\t\tif (totalTime) {\n\t\t\t\t\t\t\t\tdefaultTiming = 0;\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tvar timings = [];\n\t\t\t\t\t\t\tfor ( var i in slideAttributes ) {\n\t\t\t\t\t\t\t\tvar slide = slideAttributes[ i ];\n\t\t\t\t\t\t\t\tvar timing = defaultTiming;\n\t\t\t\t\t\t\t\tif( slide.hasOwnProperty( 'data-timing' )) {\n\t\t\t\t\t\t\t\t\tvar t = slide[ 'data-timing' ];\n\t\t\t\t\t\t\t\t\ttiming = parseInt(t);\n\t\t\t\t\t\t\t\t\tif( isNaN(timing) ) {\n\t\t\t\t\t\t\t\t\t\tconsole.warn(\"Could not parse timing '\" + t + \"' of slide \" + i + \"; using default of \" + defaultTiming);\n\t\t\t\t\t\t\t\t\t\ttiming = defaultTiming;\n\t\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\ttimings.push(timing);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tif ( totalTime ) {\n\t\t\t\t\t\t\t\t// After we've allocated time to individual slides, we summarize it and\n\t\t\t\t\t\t\t\t// subtract it from the total time\n\t\t\t\t\t\t\t\tvar remainingTime = totalTime - timings.reduce( function(a, b) { return a + b; }, 0 );\n\t\t\t\t\t\t\t\t// The remaining time is divided by the number of slides that have 0 seconds\n\t\t\t\t\t\t\t\t// allocated at the moment, giving the average time-per-slide on the remaining slides\n\t\t\t\t\t\t\t\tvar remainingSlides = (timings.filter( function(x) { return x == 0 }) ).length\n\t\t\t\t\t\t\t\tvar timePerSlide = Math.round( remainingTime / remainingSlides, 0 )\n\t\t\t\t\t\t\t\t// And now we replace every zero-value timing with that average\n\t\t\t\t\t\t\t\ttimings = timings.map( function(x) { return (x==0 ? timePerSlide : x) } );\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tvar slidesUnderMinimum = timings.filter( function(x) { return (x < minTimePerSlide) } ).length\n\t\t\t\t\t\t\tif ( slidesUnderMinimum ) {\n\t\t\t\t\t\t\t\tmessage = \"The pacing time for \" + slidesUnderMinimum + \" slide(s) is under the configured minimum of \" + minTimePerSlide + \" seconds. Check the data-timing attribute on individual slides, or consider increasing the totalTime or minimumTimePerSlide configuration options (or removing some slides).\";\n\t\t\t\t\t\t\t\talert(message);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\tcallback( timings );\n\t\t\t\t\t\t} );\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t\t/**\n\t\t\t\t * Return the number of seconds allocated for presenting\n\t\t\t\t * all slides up to and including this one.\n\t\t\t\t */\n\t\t\t\tfunction getTimeAllocated( timings, callback ) {\n\n\t\t\t\t\tcallRevealApi( 'getSlidePastCount', [], function ( currentSlide ) {\n\t\t\t\t\t\tvar allocated = 0;\n\t\t\t\t\t\tfor (var i in timings.slice(0, currentSlide + 1)) {\n\t\t\t\t\t\t\tallocated += timings[i];\n\t\t\t\t\t\t}\n\t\t\t\t\t\tcallback( allocated );\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\n\t\t\t\t/**\n\t\t\t\t * Create the timer and clock and start updating them\n\t\t\t\t * at an interval.\n\t\t\t\t */\n\t\t\t\tfunction setupTimer() {\n\n\t\t\t\t\tvar start = new Date(),\n\t\t\t\t\ttimeEl = document.querySelector( '.speaker-controls-time' ),\n\t\t\t\t\tclockEl = timeEl.querySelector( '.clock-value' ),\n\t\t\t\t\thoursEl = timeEl.querySelector( '.hours-value' ),\n\t\t\t\t\tminutesEl = timeEl.querySelector( '.minutes-value' ),\n\t\t\t\t\tsecondsEl = timeEl.querySelector( '.seconds-value' ),\n\t\t\t\t\tpacingTitleEl = timeEl.querySelector( '.pacing-title' ),\n\t\t\t\t\tpacingEl = timeEl.querySelector( '.pacing' ),\n\t\t\t\t\tpacingHoursEl = pacingEl.querySelector( '.hours-value' ),\n\t\t\t\t\tpacingMinutesEl = pacingEl.querySelector( '.minutes-value' ),\n\t\t\t\t\tpacingSecondsEl = pacingEl.querySelector( '.seconds-value' );\n\n\t\t\t\t\tvar timings = null;\n\t\t\t\t\tgetTimings( function ( _timings ) {\n\n\t\t\t\t\t\ttimings = _timings;\n\t\t\t\t\t\tif (_timings !== null) {\n\t\t\t\t\t\t\tpacingTitleEl.style.removeProperty('display');\n\t\t\t\t\t\t\tpacingEl.style.removeProperty('display');\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// Update once directly\n\t\t\t\t\t\t_updateTimer();\n\n\t\t\t\t\t\t// Then update every second\n\t\t\t\t\t\tsetInterval( _updateTimer, 1000 );\n\n\t\t\t\t\t} );\n\n\n\t\t\t\t\tfunction _resetTimer() {\n\n\t\t\t\t\t\tif (timings == null) {\n\t\t\t\t\t\t\tstart = new Date();\n\t\t\t\t\t\t\t_updateTimer();\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse {\n\t\t\t\t\t\t\t// Reset timer to beginning of current slide\n\t\t\t\t\t\t\tgetTimeAllocated( timings, function ( slideEndTimingSeconds ) {\n\t\t\t\t\t\t\t\tvar slideEndTiming = slideEndTimingSeconds * 1000;\n\t\t\t\t\t\t\t\tcallRevealApi( 'getSlidePastCount', [], function ( currentSlide ) {\n\t\t\t\t\t\t\t\t\tvar currentSlideTiming = timings[currentSlide] * 1000;\n\t\t\t\t\t\t\t\t\tvar previousSlidesTiming = slideEndTiming - currentSlideTiming;\n\t\t\t\t\t\t\t\t\tvar now = new Date();\n\t\t\t\t\t\t\t\t\tstart = new Date(now.getTime() - previousSlidesTiming);\n\t\t\t\t\t\t\t\t\t_updateTimer();\n\t\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\ttimeEl.addEventListener( 'click', function() {\n\t\t\t\t\t\t_resetTimer();\n\t\t\t\t\t\treturn false;\n\t\t\t\t\t} );\n\n\t\t\t\t\tfunction _displayTime( hrEl, minEl, secEl, time) {\n\n\t\t\t\t\t\tvar sign = Math.sign(time) == -1 ? \"-\" : \"\";\n\t\t\t\t\t\ttime = Math.abs(Math.round(time / 1000));\n\t\t\t\t\t\tvar seconds = time % 60;\n\t\t\t\t\t\tvar minutes = Math.floor( time / 60 ) % 60 ;\n\t\t\t\t\t\tvar hours = Math.floor( time / ( 60 * 60 )) ;\n\t\t\t\t\t\thrEl.innerHTML = sign + zeroPadInteger( hours );\n\t\t\t\t\t\tif (hours == 0) {\n\t\t\t\t\t\t\thrEl.classList.add( 'mute' );\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse {\n\t\t\t\t\t\t\thrEl.classList.remove( 'mute' );\n\t\t\t\t\t\t}\n\t\t\t\t\t\tminEl.innerHTML = ':' + zeroPadInteger( minutes );\n\t\t\t\t\t\tif (hours == 0 && minutes == 0) {\n\t\t\t\t\t\t\tminEl.classList.add( 'mute' );\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse {\n\t\t\t\t\t\t\tminEl.classList.remove( 'mute' );\n\t\t\t\t\t\t}\n\t\t\t\t\t\tsecEl.innerHTML = ':' + zeroPadInteger( seconds );\n\t\t\t\t\t}\n\n\t\t\t\t\tfunction _updateTimer() {\n\n\t\t\t\t\t\tvar diff, hours, minutes, seconds,\n\t\t\t\t\t\tnow = new Date();\n\n\t\t\t\t\t\tdiff = now.getTime() - start.getTime();\n\n\t\t\t\t\t\tclockEl.innerHTML = now.toLocaleTimeString( 'en-US', { hour12: true, hour: '2-digit', minute:'2-digit' } );\n\t\t\t\t\t\t_displayTime( hoursEl, minutesEl, secondsEl, diff );\n\t\t\t\t\t\tif (timings !== null) {\n\t\t\t\t\t\t\t_updatePacing(diff);\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfunction _updatePacing(diff) {\n\n\t\t\t\t\t\tgetTimeAllocated( timings, function ( slideEndTimingSeconds ) {\n\t\t\t\t\t\t\tvar slideEndTiming = slideEndTimingSeconds * 1000;\n\n\t\t\t\t\t\t\tcallRevealApi( 'getSlidePastCount', [], function ( currentSlide ) {\n\t\t\t\t\t\t\t\tvar currentSlideTiming = timings[currentSlide] * 1000;\n\t\t\t\t\t\t\t\tvar timeLeftCurrentSlide = slideEndTiming - diff;\n\t\t\t\t\t\t\t\tif (timeLeftCurrentSlide < 0) {\n\t\t\t\t\t\t\t\t\tpacingEl.className = 'pacing behind';\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\telse if (timeLeftCurrentSlide < currentSlideTiming) {\n\t\t\t\t\t\t\t\t\tpacingEl.className = 'pacing on-track';\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\telse {\n\t\t\t\t\t\t\t\t\tpacingEl.className = 'pacing ahead';\n\t\t\t\t\t\t\t\t}\n\t\t\t\t\t\t\t\t_displayTime( pacingHoursEl, pacingMinutesEl, pacingSecondsEl, timeLeftCurrentSlide );\n\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t} );\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t/**\n\t\t\t\t * Sets up the speaker view layout and layout selector.\n\t\t\t\t */\n\t\t\t\tfunction setupLayout() {\n\n\t\t\t\t\tlayoutDropdown = document.querySelector( '.speaker-layout-dropdown' );\n\t\t\t\t\tlayoutLabel = document.querySelector( '.speaker-layout-label' );\n\n\t\t\t\t\t// Render the list of available layouts\n\t\t\t\t\tfor( var id in SPEAKER_LAYOUTS ) {\n\t\t\t\t\t\tvar option = document.createElement( 'option' );\n\t\t\t\t\t\toption.setAttribute( 'value', id );\n\t\t\t\t\t\toption.textContent = SPEAKER_LAYOUTS[ id ];\n\t\t\t\t\t\tlayoutDropdown.appendChild( option );\n\t\t\t\t\t}\n\n\t\t\t\t\t// Monitor the dropdown for changes\n\t\t\t\t\tlayoutDropdown.addEventListener( 'change', function( event ) {\n\n\t\t\t\t\t\tsetLayout( layoutDropdown.value );\n\n\t\t\t\t\t}, false );\n\n\t\t\t\t\t// Restore any currently persisted layout\n\t\t\t\t\tsetLayout( getLayout() );\n\n\t\t\t\t}\n\n\t\t\t\t/**\n\t\t\t\t * Sets a new speaker view layout. The layout is persisted\n\t\t\t\t * in local storage.\n\t\t\t\t */\n\t\t\t\tfunction setLayout( value ) {\n\n\t\t\t\t\tvar title = SPEAKER_LAYOUTS[ value ];\n\n\t\t\t\t\tlayoutLabel.innerHTML = 'Layout' + ( title ? ( ': ' + title ) : '' );\n\t\t\t\t\tlayoutDropdown.value = value;\n\n\t\t\t\t\tdocument.body.setAttribute( 'data-speaker-layout', value );\n\n\t\t\t\t\t// Persist locally\n\t\t\t\t\tif( supportsLocalStorage() ) {\n\t\t\t\t\t\twindow.localStorage.setItem( 'reveal-speaker-layout', value );\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t/**\n\t\t\t\t * Returns the ID of the most recently set speaker layout\n\t\t\t\t * or our default layout if none has been set.\n\t\t\t\t */\n\t\t\t\tfunction getLayout() {\n\n\t\t\t\t\tif( supportsLocalStorage() ) {\n\t\t\t\t\t\tvar layout = window.localStorage.getItem( 'reveal-speaker-layout' );\n\t\t\t\t\t\tif( layout ) {\n\t\t\t\t\t\t\treturn layout;\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t\t// Default to the first record in the layouts hash\n\t\t\t\t\tfor( var id in SPEAKER_LAYOUTS ) {\n\t\t\t\t\t\treturn id;\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tfunction supportsLocalStorage() {\n\n\t\t\t\t\ttry {\n\t\t\t\t\t\tlocalStorage.setItem('test', 'test');\n\t\t\t\t\t\tlocalStorage.removeItem('test');\n\t\t\t\t\t\treturn true;\n\t\t\t\t\t}\n\t\t\t\t\tcatch( e ) {\n\t\t\t\t\t\treturn false;\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tfunction zeroPadInteger( num ) {\n\n\t\t\t\t\tvar str = '00' + parseInt( num );\n\t\t\t\t\treturn str.substring( str.length - 2 );\n\n\t\t\t\t}\n\n\t\t\t\t/**\n\t\t\t\t * Limits the frequency at which a function can be called.\n\t\t\t\t */\n\t\t\t\tfunction debounce( fn, ms ) {\n\n\t\t\t\t\tvar lastTime = 0,\n\t\t\t\t\t\ttimeout;\n\n\t\t\t\t\treturn function() {\n\n\t\t\t\t\t\tvar args = arguments;\n\t\t\t\t\t\tvar context = this;\n\n\t\t\t\t\t\tclearTimeout( timeout );\n\n\t\t\t\t\t\tvar timeSinceLastCall = Date.now() - lastTime;\n\t\t\t\t\t\tif( timeSinceLastCall > ms ) {\n\t\t\t\t\t\t\tfn.apply( context, args );\n\t\t\t\t\t\t\tlastTime = Date.now();\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse {\n\t\t\t\t\t\t\ttimeout = setTimeout( function() {\n\t\t\t\t\t\t\t\tfn.apply( context, args );\n\t\t\t\t\t\t\t\tlastTime = Date.now();\n\t\t\t\t\t\t\t}, ms - timeSinceLastCall );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t})();\n\n\t\t<\/script>\n\t</body>\n</html>"),!n)return void alert("Speaker view popup failed to open. Please make sure popups are allowed and reopen the speaker view.");!function(){const i=e.getConfig().url,s="string"==typeof i?i:window.location.protocol+"//"+window.location.host+window.location.pathname+window.location.search;t=setInterval((function(){n.postMessage(JSON.stringify({namespace:"reveal-notes",type:"connect",state:e.getState(),url:s}),"*")}),500),window.addEventListener("message",r)}()}}function s(t){let i=e.getCurrentSlide(),s=i.querySelectorAll("aside.notes"),r=i.querySelector(".current-fragment"),a={namespace:"reveal-notes",type:"state",notes:"",markdown:!1,whitespace:"normal",state:e.getState()};if(i.hasAttribute("data-notes")&&(a.notes=i.getAttribute("data-notes"),a.whitespace="pre-wrap"),r){let t=r.querySelector("aside.notes");t?(a.notes=t.innerHTML,a.markdown="string"==typeof t.getAttribute("data-markdown"),s=null):r.hasAttribute("data-notes")&&(a.notes=r.getAttribute("data-notes"),a.whitespace="pre-wrap",s=null)}s&&(a.notes=Array.from(s).map((t=>t.innerHTML)).join("\n"),a.markdown=s[0]&&"string"==typeof s[0].getAttribute("data-markdown")),n.postMessage(JSON.stringify(a),"*")}function r(i){if(function(t){try{return window.location.origin===t.source.location.origin}catch(t){return!1}}(i)){let s=JSON.parse(i.data);s&&"reveal-notes"===s.namespace&&"connected"===s.type?(clearInterval(t),a()):s&&"reveal-notes"===s.namespace&&"call"===s.type&&function(t,i,s){let r=e[t].apply(e,i);n.postMessage(JSON.stringify({namespace:"reveal-notes",type:"return",result:r,callId:s}),"*")}(s.methodName,s.arguments,s.callId)}}function a(){e.on("slidechanged",s),e.on("fragmentshown",s),e.on("fragmenthidden",s),e.on("overviewhidden",s),e.on("overviewshown",s),e.on("paused",s),e.on("resumed",s),s()}return{id:"notes",init:function(t){e=t,/receiver/i.test(window.location.search)||(null!==window.location.search.match(/(\?|\&)notes/gi)?i():window.addEventListener("message",(t=>{if(!n&&"string"==typeof t.data){let i;try{i=JSON.parse(t.data)}catch(t){}i&&"reveal-notes"===i.namespace&&"heartbeat"===i.type&&(e=t.source,n&&!n.closed?n.focus():(n=e,window.addEventListener("message",r),a()))}var e})),e.addKeyBinding({keyCode:83,key:"S",description:"Speaker notes view"},(function(){i()})))},open:i}}}));
diff --git a/inst/reveal.js-4.6.1/plugin/notes/plugin.js b/inst/reveal.js-4.6.1/plugin/notes/plugin.js
new file mode 100644
index 0000000..ecbf4ad
--- /dev/null
+++ b/inst/reveal.js-4.6.1/plugin/notes/plugin.js
@@ -0,0 +1,261 @@
+import speakerViewHTML from './speaker-view.html'
+
+import { marked } from 'marked';
+
+/**
+ * Handles opening of and synchronization with the reveal.js
+ * notes window.
+ *
+ * Handshake process:
+ * 1. This window posts 'connect' to notes window
+ *    - Includes URL of presentation to show
+ * 2. Notes window responds with 'connected' when it is available
+ * 3. This window proceeds to send the current presentation state
+ *    to the notes window
+ */
+const Plugin = () => {
+
+	let connectInterval;
+	let speakerWindow = null;
+	let deck;
+
+	/**
+	 * Opens a new speaker view window.
+	 */
+	function openSpeakerWindow() {
+
+		// If a window is already open, focus it
+		if( speakerWindow && !speakerWindow.closed ) {
+			speakerWindow.focus();
+		}
+		else {
+			speakerWindow = window.open( 'about:blank', 'reveal.js - Notes', 'width=1100,height=700' );
+			speakerWindow.marked = marked;
+			speakerWindow.document.write( speakerViewHTML );
+
+			if( !speakerWindow ) {
+				alert( 'Speaker view popup failed to open. Please make sure popups are allowed and reopen the speaker view.' );
+				return;
+			}
+
+			connect();
+		}
+
+	}
+
+	/**
+	 * Reconnect with an existing speaker view window.
+	 */
+	function reconnectSpeakerWindow( reconnectWindow ) {
+
+		if( speakerWindow && !speakerWindow.closed ) {
+			speakerWindow.focus();
+		}
+		else {
+			speakerWindow = reconnectWindow;
+			window.addEventListener( 'message', onPostMessage );
+			onConnected();
+		}
+
+	}
+
+	/**
+		* Connect to the notes window through a postmessage handshake.
+		* Using postmessage enables us to work in situations where the
+		* origins differ, such as a presentation being opened from the
+		* file system.
+		*/
+	function connect() {
+
+		const presentationURL = deck.getConfig().url;
+
+		const url = typeof presentationURL === 'string' ? presentationURL :
+								window.location.protocol + '//' + window.location.host + window.location.pathname + window.location.search;
+
+		// Keep trying to connect until we get a 'connected' message back
+		connectInterval = setInterval( function() {
+			speakerWindow.postMessage( JSON.stringify( {
+				namespace: 'reveal-notes',
+				type: 'connect',
+				state: deck.getState(),
+				url
+			} ), '*' );
+		}, 500 );
+
+		window.addEventListener( 'message', onPostMessage );
+
+	}
+
+	/**
+	 * Calls the specified Reveal.js method with the provided argument
+	 * and then pushes the result to the notes frame.
+	 */
+	function callRevealApi( methodName, methodArguments, callId ) {
+
+		let result = deck[methodName].apply( deck, methodArguments );
+		speakerWindow.postMessage( JSON.stringify( {
+			namespace: 'reveal-notes',
+			type: 'return',
+			result,
+			callId
+		} ), '*' );
+
+	}
+
+	/**
+	 * Posts the current slide data to the notes window.
+	 */
+	function post( event ) {
+
+		let slideElement = deck.getCurrentSlide(),
+			notesElements = slideElement.querySelectorAll( 'aside.notes' ),
+			fragmentElement = slideElement.querySelector( '.current-fragment' );
+
+		let messageData = {
+			namespace: 'reveal-notes',
+			type: 'state',
+			notes: '',
+			markdown: false,
+			whitespace: 'normal',
+			state: deck.getState()
+		};
+
+		// Look for notes defined in a slide attribute
+		if( slideElement.hasAttribute( 'data-notes' ) ) {
+			messageData.notes = slideElement.getAttribute( 'data-notes' );
+			messageData.whitespace = 'pre-wrap';
+		}
+
+		// Look for notes defined in a fragment
+		if( fragmentElement ) {
+			let fragmentNotes = fragmentElement.querySelector( 'aside.notes' );
+			if( fragmentNotes ) {
+				messageData.notes = fragmentNotes.innerHTML;
+				messageData.markdown = typeof fragmentNotes.getAttribute( 'data-markdown' ) === 'string';
+
+				// Ignore other slide notes
+				notesElements = null;
+			}
+			else if( fragmentElement.hasAttribute( 'data-notes' ) ) {
+				messageData.notes = fragmentElement.getAttribute( 'data-notes' );
+				messageData.whitespace = 'pre-wrap';
+
+				// In case there are slide notes
+				notesElements = null;
+			}
+		}
+
+		// Look for notes defined in an aside element
+		if( notesElements ) {
+			messageData.notes = Array.from(notesElements).map( notesElement => notesElement.innerHTML ).join( '\n' );
+			messageData.markdown = notesElements[0] && typeof notesElements[0].getAttribute( 'data-markdown' ) === 'string';
+		}
+
+		speakerWindow.postMessage( JSON.stringify( messageData ), '*' );
+
+	}
+
+	/**
+	 * Check if the given event is from the same origin as the
+	 * current window.
+	 */
+	function isSameOriginEvent( event ) {
+
+		try {
+			return window.location.origin === event.source.location.origin;
+		}
+		catch ( error ) {
+			return false;
+		}
+
+	}
+
+	function onPostMessage( event ) {
+
+		// Only allow same-origin messages
+		// (added 12/5/22 as a XSS safeguard)
+		if( isSameOriginEvent( event ) ) {
+
+			let data = JSON.parse( event.data );
+			if( data && data.namespace === 'reveal-notes' && data.type === 'connected' ) {
+				clearInterval( connectInterval );
+				onConnected();
+			}
+			else if( data && data.namespace === 'reveal-notes' && data.type === 'call' ) {
+				callRevealApi( data.methodName, data.arguments, data.callId );
+			}
+
+		}
+
+	}
+
+	/**
+	 * Called once we have established a connection to the notes
+	 * window.
+	 */
+	function onConnected() {
+
+		// Monitor events that trigger a change in state
+		deck.on( 'slidechanged', post );
+		deck.on( 'fragmentshown', post );
+		deck.on( 'fragmenthidden', post );
+		deck.on( 'overviewhidden', post );
+		deck.on( 'overviewshown', post );
+		deck.on( 'paused', post );
+		deck.on( 'resumed', post );
+
+		// Post the initial state
+		post();
+
+	}
+
+	return {
+		id: 'notes',
+
+		init: function( reveal ) {
+
+			deck = reveal;
+
+			if( !/receiver/i.test( window.location.search ) ) {
+
+				// If the there's a 'notes' query set, open directly
+				if( window.location.search.match( /(\?|\&)notes/gi ) !== null ) {
+					openSpeakerWindow();
+				}
+				else {
+					// Keep listening for speaker view hearbeats. If we receive a
+					// heartbeat from an orphaned window, reconnect it. This ensures
+					// that we remain connected to the notes even if the presentation
+					// is reloaded.
+					window.addEventListener( 'message', event => {
+
+						if( !speakerWindow && typeof event.data === 'string' ) {
+							let data;
+
+							try {
+								data = JSON.parse( event.data );
+							}
+							catch( error ) {}
+
+							if( data && data.namespace === 'reveal-notes' && data.type === 'heartbeat' ) {
+								reconnectSpeakerWindow( event.source );
+							}
+						}
+					});
+				}
+
+				// Open the notes when the 's' key is hit
+				deck.addKeyBinding({keyCode: 83, key: 'S', description: 'Speaker notes view'}, function() {
+					openSpeakerWindow();
+				} );
+
+			}
+
+		},
+
+		open: openSpeakerWindow
+	};
+
+};
+
+export default Plugin;
diff --git a/inst/reveal.js-4.6.1/plugin/notes/speaker-view.html b/inst/reveal.js-4.6.1/plugin/notes/speaker-view.html
new file mode 100644
index 0000000..8381453
--- /dev/null
+++ b/inst/reveal.js-4.6.1/plugin/notes/speaker-view.html
@@ -0,0 +1,891 @@
+<!--
+	NOTE: You need to build the notes plugin after making changes to this file.
+-->
+<html lang="en">
+	<head>
+		<meta charset="utf-8">
+
+		<title>reveal.js - Speaker View</title>
+
+		<style>
+			body {
+				font-family: Helvetica;
+				font-size: 18px;
+			}
+
+			#current-slide,
+			#upcoming-slide,
+			#speaker-controls {
+				padding: 6px;
+				box-sizing: border-box;
+				-moz-box-sizing: border-box;
+			}
+
+			#current-slide iframe,
+			#upcoming-slide iframe {
+				width: 100%;
+				height: 100%;
+				border: 1px solid #ddd;
+			}
+
+			#current-slide .label,
+			#upcoming-slide .label {
+				position: absolute;
+				top: 10px;
+				left: 10px;
+				z-index: 2;
+			}
+
+			#connection-status {
+				position: absolute;
+				top: 0;
+				left: 0;
+				width: 100%;
+				height: 100%;
+				z-index: 20;
+				padding: 30% 20% 20% 20%;
+				font-size: 18px;
+				color: #222;
+				background: #fff;
+				text-align: center;
+				box-sizing: border-box;
+				line-height: 1.4;
+			}
+
+			.overlay-element {
+				height: 34px;
+				line-height: 34px;
+				padding: 0 10px;
+				text-shadow: none;
+				background: rgba( 220, 220, 220, 0.8 );
+				color: #222;
+				font-size: 14px;
+			}
+
+			.overlay-element.interactive:hover {
+				background: rgba( 220, 220, 220, 1 );
+			}
+
+			#current-slide {
+				position: absolute;
+				width: 60%;
+				height: 100%;
+				top: 0;
+				left: 0;
+				padding-right: 0;
+			}
+
+			#upcoming-slide {
+				position: absolute;
+				width: 40%;
+				height: 40%;
+				right: 0;
+				top: 0;
+			}
+
+			/* Speaker controls */
+			#speaker-controls {
+				position: absolute;
+				top: 40%;
+				right: 0;
+				width: 40%;
+				height: 60%;
+				overflow: auto;
+				font-size: 18px;
+			}
+
+				.speaker-controls-time.hidden,
+				.speaker-controls-notes.hidden {
+					display: none;
+				}
+
+				.speaker-controls-time .label,
+				.speaker-controls-pace .label,
+				.speaker-controls-notes .label {
+					text-transform: uppercase;
+					font-weight: normal;
+					font-size: 0.66em;
+					color: #666;
+					margin: 0;
+				}
+
+				.speaker-controls-time, .speaker-controls-pace {
+					border-bottom: 1px solid rgba( 200, 200, 200, 0.5 );
+					margin-bottom: 10px;
+					padding: 10px 16px;
+					padding-bottom: 20px;
+					cursor: pointer;
+				}
+
+				.speaker-controls-time .reset-button {
+					opacity: 0;
+					float: right;
+					color: #666;
+					text-decoration: none;
+				}
+				.speaker-controls-time:hover .reset-button {
+					opacity: 1;
+				}
+
+				.speaker-controls-time .timer,
+				.speaker-controls-time .clock {
+					width: 50%;
+				}
+
+				.speaker-controls-time .timer,
+				.speaker-controls-time .clock,
+				.speaker-controls-time .pacing .hours-value,
+				.speaker-controls-time .pacing .minutes-value,
+				.speaker-controls-time .pacing .seconds-value {
+					font-size: 1.9em;
+				}
+
+				.speaker-controls-time .timer {
+					float: left;
+				}
+
+				.speaker-controls-time .clock {
+					float: right;
+					text-align: right;
+				}
+
+				.speaker-controls-time span.mute {
+					opacity: 0.3;
+				}
+
+				.speaker-controls-time .pacing-title {
+					margin-top: 5px;
+				}
+
+				.speaker-controls-time .pacing.ahead {
+					color: blue;
+				}
+
+				.speaker-controls-time .pacing.on-track {
+					color: green;
+				}
+
+				.speaker-controls-time .pacing.behind {
+					color: red;
+				}
+
+				.speaker-controls-notes {
+					padding: 10px 16px;
+				}
+
+				.speaker-controls-notes .value {
+					margin-top: 5px;
+					line-height: 1.4;
+					font-size: 1.2em;
+				}
+
+			/* Layout selector */
+			#speaker-layout {
+				position: absolute;
+				top: 10px;
+				right: 10px;
+				color: #222;
+				z-index: 10;
+			}
+				#speaker-layout select {
+					position: absolute;
+					width: 100%;
+					height: 100%;
+					top: 0;
+					left: 0;
+					border: 0;
+					box-shadow: 0;
+					cursor: pointer;
+					opacity: 0;
+
+					font-size: 1em;
+					background-color: transparent;
+
+					-moz-appearance: none;
+					-webkit-appearance: none;
+					-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
+				}
+
+				#speaker-layout select:focus {
+					outline: none;
+					box-shadow: none;
+				}
+
+			.clear {
+				clear: both;
+			}
+
+			/* Speaker layout: Wide */
+			body[data-speaker-layout="wide"] #current-slide,
+			body[data-speaker-layout="wide"] #upcoming-slide {
+				width: 50%;
+				height: 45%;
+				padding: 6px;
+			}
+
+			body[data-speaker-layout="wide"] #current-slide {
+				top: 0;
+				left: 0;
+			}
+
+			body[data-speaker-layout="wide"] #upcoming-slide {
+				top: 0;
+				left: 50%;
+			}
+
+			body[data-speaker-layout="wide"] #speaker-controls {
+				top: 45%;
+				left: 0;
+				width: 100%;
+				height: 50%;
+				font-size: 1.25em;
+			}
+
+			/* Speaker layout: Tall */
+			body[data-speaker-layout="tall"] #current-slide,
+			body[data-speaker-layout="tall"] #upcoming-slide {
+				width: 45%;
+				height: 50%;
+				padding: 6px;
+			}
+
+			body[data-speaker-layout="tall"] #current-slide {
+				top: 0;
+				left: 0;
+			}
+
+			body[data-speaker-layout="tall"] #upcoming-slide {
+				top: 50%;
+				left: 0;
+			}
+
+			body[data-speaker-layout="tall"] #speaker-controls {
+				padding-top: 40px;
+				top: 0;
+				left: 45%;
+				width: 55%;
+				height: 100%;
+				font-size: 1.25em;
+			}
+
+			/* Speaker layout: Notes only */
+			body[data-speaker-layout="notes-only"] #current-slide,
+			body[data-speaker-layout="notes-only"] #upcoming-slide {
+				display: none;
+			}
+
+			body[data-speaker-layout="notes-only"] #speaker-controls {
+				padding-top: 40px;
+				top: 0;
+				left: 0;
+				width: 100%;
+				height: 100%;
+				font-size: 1.25em;
+			}
+
+			@media screen and (max-width: 1080px) {
+				body[data-speaker-layout="default"] #speaker-controls {
+					font-size: 16px;
+				}
+			}
+
+			@media screen and (max-width: 900px) {
+				body[data-speaker-layout="default"] #speaker-controls {
+					font-size: 14px;
+				}
+			}
+
+			@media screen and (max-width: 800px) {
+				body[data-speaker-layout="default"] #speaker-controls {
+					font-size: 12px;
+				}
+			}
+
+		</style>
+	</head>
+
+	<body>
+
+		<div id="connection-status">Loading speaker view...</div>
+
+		<div id="current-slide"></div>
+		<div id="upcoming-slide"><span class="overlay-element label">Upcoming</span></div>
+		<div id="speaker-controls">
+			<div class="speaker-controls-time">
+				<h4 class="label">Time <span class="reset-button">Click to Reset</span></h4>
+				<div class="clock">
+					<span class="clock-value">0:00 AM</span>
+				</div>
+				<div class="timer">
+					<span class="hours-value">00</span><span class="minutes-value">:00</span><span class="seconds-value">:00</span>
+				</div>
+				<div class="clear"></div>
+
+				<h4 class="label pacing-title" style="display: none">Pacing – Time to finish current slide</h4>
+				<div class="pacing" style="display: none">
+					<span class="hours-value">00</span><span class="minutes-value">:00</span><span class="seconds-value">:00</span>
+				</div>
+			</div>
+
+			<div class="speaker-controls-notes hidden">
+				<h4 class="label">Notes</h4>
+				<div class="value"></div>
+			</div>
+		</div>
+		<div id="speaker-layout" class="overlay-element interactive">
+			<span class="speaker-layout-label"></span>
+			<select class="speaker-layout-dropdown"></select>
+		</div>
+
+		<script>
+
+			(function() {
+
+				var notes,
+					notesValue,
+					currentState,
+					currentSlide,
+					upcomingSlide,
+					layoutLabel,
+					layoutDropdown,
+					pendingCalls = {},
+					lastRevealApiCallId = 0,
+					connected = false
+
+				var connectionStatus = document.querySelector( '#connection-status' );
+
+				var SPEAKER_LAYOUTS = {
+					'default': 'Default',
+					'wide': 'Wide',
+					'tall': 'Tall',
+					'notes-only': 'Notes only'
+				};
+
+				setupLayout();
+
+				let openerOrigin;
+
+				try {
+					openerOrigin = window.opener.location.origin;
+				}
+				catch ( error ) { console.warn( error ) }
+
+				// In order to prevent XSS, the speaker view will only run if its
+				// opener has the same origin as itself
+				if( window.location.origin !== openerOrigin ) {
+					connectionStatus.innerHTML = 'Cross origin error.<br>The speaker window can only be opened from the same origin.';
+					return;
+				}
+
+				var connectionTimeout = setTimeout( function() {
+					connectionStatus.innerHTML = 'Error connecting to main window.<br>Please try closing and reopening the speaker view.';
+				}, 5000 );
+
+				window.addEventListener( 'message', function( event ) {
+
+					clearTimeout( connectionTimeout );
+					connectionStatus.style.display = 'none';
+
+					var data = JSON.parse( event.data );
+
+					// The overview mode is only useful to the reveal.js instance
+					// where navigation occurs so we don't sync it
+					if( data.state ) delete data.state.overview;
+
+					// Messages sent by the notes plugin inside of the main window
+					if( data && data.namespace === 'reveal-notes' ) {
+						if( data.type === 'connect' ) {
+							handleConnectMessage( data );
+						}
+						else if( data.type === 'state' ) {
+							handleStateMessage( data );
+						}
+						else if( data.type === 'return' ) {
+							pendingCalls[data.callId](data.result);
+							delete pendingCalls[data.callId];
+						}
+					}
+					// Messages sent by the reveal.js inside of the current slide preview
+					else if( data && data.namespace === 'reveal' ) {
+						if( /ready/.test( data.eventName ) ) {
+							// Send a message back to notify that the handshake is complete
+							window.opener.postMessage( JSON.stringify({ namespace: 'reveal-notes', type: 'connected'} ), '*' );
+						}
+						else if( /slidechanged|fragmentshown|fragmenthidden|paused|resumed/.test( data.eventName ) && currentState !== JSON.stringify( data.state ) ) {
+
+							dispatchStateToMainWindow( data.state );
+
+						}
+					}
+
+				} );
+
+				/**
+				 * Updates the presentation in the main window to match the state
+				 * of the presentation in the notes window.
+				 */
+				const dispatchStateToMainWindow = debounce(( state ) => {
+					window.opener.postMessage( JSON.stringify({ method: 'setState', args: [ state ]} ), '*' );
+				}, 500);
+
+				/**
+				 * Asynchronously calls the Reveal.js API of the main frame.
+				 */
+				function callRevealApi( methodName, methodArguments, callback ) {
+
+					var callId = ++lastRevealApiCallId;
+					pendingCalls[callId] = callback;
+					window.opener.postMessage( JSON.stringify( {
+						namespace: 'reveal-notes',
+						type: 'call',
+						callId: callId,
+						methodName: methodName,
+						arguments: methodArguments
+					} ), '*' );
+
+				}
+
+				/**
+				 * Called when the main window is trying to establish a
+				 * connection.
+				 */
+				function handleConnectMessage( data ) {
+
+					if( connected === false ) {
+						connected = true;
+
+						setupIframes( data );
+						setupKeyboard();
+						setupNotes();
+						setupTimer();
+						setupHeartbeat();
+					}
+
+				}
+
+				/**
+				 * Called when the main window sends an updated state.
+				 */
+				function handleStateMessage( data ) {
+
+					// Store the most recently set state to avoid circular loops
+					// applying the same state
+					currentState = JSON.stringify( data.state );
+
+					// No need for updating the notes in case of fragment changes
+					if ( data.notes ) {
+						notes.classList.remove( 'hidden' );
+						notesValue.style.whiteSpace = data.whitespace;
+						if( data.markdown ) {
+							notesValue.innerHTML = marked( data.notes );
+						}
+						else {
+							notesValue.innerHTML = data.notes;
+						}
+					}
+					else {
+						notes.classList.add( 'hidden' );
+					}
+
+					// Update the note slides
+					currentSlide.contentWindow.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ] }), '*' );
+					upcomingSlide.contentWindow.postMessage( JSON.stringify({ method: 'setState', args: [ data.state ] }), '*' );
+					upcomingSlide.contentWindow.postMessage( JSON.stringify({ method: 'next' }), '*' );
+
+				}
+
+				// Limit to max one state update per X ms
+				handleStateMessage = debounce( handleStateMessage, 200 );
+
+				/**
+				 * Forward keyboard events to the current slide window.
+				 * This enables keyboard events to work even if focus
+				 * isn't set on the current slide iframe.
+				 *
+				 * Block F5 default handling, it reloads and disconnects
+				 * the speaker notes window.
+				 */
+				function setupKeyboard() {
+
+					document.addEventListener( 'keydown', function( event ) {
+						if( event.keyCode === 116 || ( event.metaKey && event.keyCode === 82 ) ) {
+							event.preventDefault();
+							return false;
+						}
+						currentSlide.contentWindow.postMessage( JSON.stringify({ method: 'triggerKey', args: [ event.keyCode ] }), '*' );
+					} );
+
+				}
+
+				/**
+				 * Creates the preview iframes.
+				 */
+				function setupIframes( data ) {
+
+					var params = [
+						'receiver',
+						'progress=false',
+						'history=false',
+						'transition=none',
+						'autoSlide=0',
+						'backgroundTransition=none'
+					].join( '&' );
+
+					var urlSeparator = /\?/.test(data.url) ? '&' : '?';
+					var hash = '#/' + data.state.indexh + '/' + data.state.indexv;
+					var currentURL = data.url + urlSeparator + params + '&postMessageEvents=true' + hash;
+					var upcomingURL = data.url + urlSeparator + params + '&controls=false' + hash;
+
+					currentSlide = document.createElement( 'iframe' );
+					currentSlide.setAttribute( 'width', 1280 );
+					currentSlide.setAttribute( 'height', 1024 );
+					currentSlide.setAttribute( 'src', currentURL );
+					document.querySelector( '#current-slide' ).appendChild( currentSlide );
+
+					upcomingSlide = document.createElement( 'iframe' );
+					upcomingSlide.setAttribute( 'width', 640 );
+					upcomingSlide.setAttribute( 'height', 512 );
+					upcomingSlide.setAttribute( 'src', upcomingURL );
+					document.querySelector( '#upcoming-slide' ).appendChild( upcomingSlide );
+
+				}
+
+				/**
+				 * Setup the notes UI.
+				 */
+				function setupNotes() {
+
+					notes = document.querySelector( '.speaker-controls-notes' );
+					notesValue = document.querySelector( '.speaker-controls-notes .value' );
+
+				}
+
+				/**
+				 * We send out a heartbeat at all times to ensure we can
+				 * reconnect with the main presentation window after reloads.
+				 */
+				function setupHeartbeat() {
+
+					setInterval( () => {
+						window.opener.postMessage( JSON.stringify({ namespace: 'reveal-notes', type: 'heartbeat'} ), '*' );
+					}, 1000 );
+
+				}
+
+				function getTimings( callback ) {
+
+					callRevealApi( 'getSlidesAttributes', [], function ( slideAttributes ) {
+						callRevealApi( 'getConfig', [], function ( config ) {
+							var totalTime = config.totalTime;
+							var minTimePerSlide = config.minimumTimePerSlide || 0;
+							var defaultTiming = config.defaultTiming;
+							if ((defaultTiming == null) && (totalTime == null)) {
+								callback(null);
+								return;
+							}
+							// Setting totalTime overrides defaultTiming
+							if (totalTime) {
+								defaultTiming = 0;
+							}
+							var timings = [];
+							for ( var i in slideAttributes ) {
+								var slide = slideAttributes[ i ];
+								var timing = defaultTiming;
+								if( slide.hasOwnProperty( 'data-timing' )) {
+									var t = slide[ 'data-timing' ];
+									timing = parseInt(t);
+									if( isNaN(timing) ) {
+										console.warn("Could not parse timing '" + t + "' of slide " + i + "; using default of " + defaultTiming);
+										timing = defaultTiming;
+									}
+								}
+								timings.push(timing);
+							}
+							if ( totalTime ) {
+								// After we've allocated time to individual slides, we summarize it and
+								// subtract it from the total time
+								var remainingTime = totalTime - timings.reduce( function(a, b) { return a + b; }, 0 );
+								// The remaining time is divided by the number of slides that have 0 seconds
+								// allocated at the moment, giving the average time-per-slide on the remaining slides
+								var remainingSlides = (timings.filter( function(x) { return x == 0 }) ).length
+								var timePerSlide = Math.round( remainingTime / remainingSlides, 0 )
+								// And now we replace every zero-value timing with that average
+								timings = timings.map( function(x) { return (x==0 ? timePerSlide : x) } );
+							}
+							var slidesUnderMinimum = timings.filter( function(x) { return (x < minTimePerSlide) } ).length
+							if ( slidesUnderMinimum ) {
+								message = "The pacing time for " + slidesUnderMinimum + " slide(s) is under the configured minimum of " + minTimePerSlide + " seconds. Check the data-timing attribute on individual slides, or consider increasing the totalTime or minimumTimePerSlide configuration options (or removing some slides).";
+								alert(message);
+							}
+							callback( timings );
+						} );
+					} );
+
+				}
+
+				/**
+				 * Return the number of seconds allocated for presenting
+				 * all slides up to and including this one.
+				 */
+				function getTimeAllocated( timings, callback ) {
+
+					callRevealApi( 'getSlidePastCount', [], function ( currentSlide ) {
+						var allocated = 0;
+						for (var i in timings.slice(0, currentSlide + 1)) {
+							allocated += timings[i];
+						}
+						callback( allocated );
+					} );
+
+				}
+
+				/**
+				 * Create the timer and clock and start updating them
+				 * at an interval.
+				 */
+				function setupTimer() {
+
+					var start = new Date(),
+					timeEl = document.querySelector( '.speaker-controls-time' ),
+					clockEl = timeEl.querySelector( '.clock-value' ),
+					hoursEl = timeEl.querySelector( '.hours-value' ),
+					minutesEl = timeEl.querySelector( '.minutes-value' ),
+					secondsEl = timeEl.querySelector( '.seconds-value' ),
+					pacingTitleEl = timeEl.querySelector( '.pacing-title' ),
+					pacingEl = timeEl.querySelector( '.pacing' ),
+					pacingHoursEl = pacingEl.querySelector( '.hours-value' ),
+					pacingMinutesEl = pacingEl.querySelector( '.minutes-value' ),
+					pacingSecondsEl = pacingEl.querySelector( '.seconds-value' );
+
+					var timings = null;
+					getTimings( function ( _timings ) {
+
+						timings = _timings;
+						if (_timings !== null) {
+							pacingTitleEl.style.removeProperty('display');
+							pacingEl.style.removeProperty('display');
+						}
+
+						// Update once directly
+						_updateTimer();
+
+						// Then update every second
+						setInterval( _updateTimer, 1000 );
+
+					} );
+
+
+					function _resetTimer() {
+
+						if (timings == null) {
+							start = new Date();
+							_updateTimer();
+						}
+						else {
+							// Reset timer to beginning of current slide
+							getTimeAllocated( timings, function ( slideEndTimingSeconds ) {
+								var slideEndTiming = slideEndTimingSeconds * 1000;
+								callRevealApi( 'getSlidePastCount', [], function ( currentSlide ) {
+									var currentSlideTiming = timings[currentSlide] * 1000;
+									var previousSlidesTiming = slideEndTiming - currentSlideTiming;
+									var now = new Date();
+									start = new Date(now.getTime() - previousSlidesTiming);
+									_updateTimer();
+								} );
+							} );
+						}
+
+					}
+
+					timeEl.addEventListener( 'click', function() {
+						_resetTimer();
+						return false;
+					} );
+
+					function _displayTime( hrEl, minEl, secEl, time) {
+
+						var sign = Math.sign(time) == -1 ? "-" : "";
+						time = Math.abs(Math.round(time / 1000));
+						var seconds = time % 60;
+						var minutes = Math.floor( time / 60 ) % 60 ;
+						var hours = Math.floor( time / ( 60 * 60 )) ;
+						hrEl.innerHTML = sign + zeroPadInteger( hours );
+						if (hours == 0) {
+							hrEl.classList.add( 'mute' );
+						}
+						else {
+							hrEl.classList.remove( 'mute' );
+						}
+						minEl.innerHTML = ':' + zeroPadInteger( minutes );
+						if (hours == 0 && minutes == 0) {
+							minEl.classList.add( 'mute' );
+						}
+						else {
+							minEl.classList.remove( 'mute' );
+						}
+						secEl.innerHTML = ':' + zeroPadInteger( seconds );
+					}
+
+					function _updateTimer() {
+
+						var diff, hours, minutes, seconds,
+						now = new Date();
+
+						diff = now.getTime() - start.getTime();
+
+						clockEl.innerHTML = now.toLocaleTimeString( 'en-US', { hour12: true, hour: '2-digit', minute:'2-digit' } );
+						_displayTime( hoursEl, minutesEl, secondsEl, diff );
+						if (timings !== null) {
+							_updatePacing(diff);
+						}
+
+					}
+
+					function _updatePacing(diff) {
+
+						getTimeAllocated( timings, function ( slideEndTimingSeconds ) {
+							var slideEndTiming = slideEndTimingSeconds * 1000;
+
+							callRevealApi( 'getSlidePastCount', [], function ( currentSlide ) {
+								var currentSlideTiming = timings[currentSlide] * 1000;
+								var timeLeftCurrentSlide = slideEndTiming - diff;
+								if (timeLeftCurrentSlide < 0) {
+									pacingEl.className = 'pacing behind';
+								}
+								else if (timeLeftCurrentSlide < currentSlideTiming) {
+									pacingEl.className = 'pacing on-track';
+								}
+								else {
+									pacingEl.className = 'pacing ahead';
+								}
+								_displayTime( pacingHoursEl, pacingMinutesEl, pacingSecondsEl, timeLeftCurrentSlide );
+							} );
+						} );
+					}
+
+				}
+
+				/**
+				 * Sets up the speaker view layout and layout selector.
+				 */
+				function setupLayout() {
+
+					layoutDropdown = document.querySelector( '.speaker-layout-dropdown' );
+					layoutLabel = document.querySelector( '.speaker-layout-label' );
+
+					// Render the list of available layouts
+					for( var id in SPEAKER_LAYOUTS ) {
+						var option = document.createElement( 'option' );
+						option.setAttribute( 'value', id );
+						option.textContent = SPEAKER_LAYOUTS[ id ];
+						layoutDropdown.appendChild( option );
+					}
+
+					// Monitor the dropdown for changes
+					layoutDropdown.addEventListener( 'change', function( event ) {
+
+						setLayout( layoutDropdown.value );
+
+					}, false );
+
+					// Restore any currently persisted layout
+					setLayout( getLayout() );
+
+				}
+
+				/**
+				 * Sets a new speaker view layout. The layout is persisted
+				 * in local storage.
+				 */
+				function setLayout( value ) {
+
+					var title = SPEAKER_LAYOUTS[ value ];
+
+					layoutLabel.innerHTML = 'Layout' + ( title ? ( ': ' + title ) : '' );
+					layoutDropdown.value = value;
+
+					document.body.setAttribute( 'data-speaker-layout', value );
+
+					// Persist locally
+					if( supportsLocalStorage() ) {
+						window.localStorage.setItem( 'reveal-speaker-layout', value );
+					}
+
+				}
+
+				/**
+				 * Returns the ID of the most recently set speaker layout
+				 * or our default layout if none has been set.
+				 */
+				function getLayout() {
+
+					if( supportsLocalStorage() ) {
+						var layout = window.localStorage.getItem( 'reveal-speaker-layout' );
+						if( layout ) {
+							return layout;
+						}
+					}
+
+					// Default to the first record in the layouts hash
+					for( var id in SPEAKER_LAYOUTS ) {
+						return id;
+					}
+
+				}
+
+				function supportsLocalStorage() {
+
+					try {
+						localStorage.setItem('test', 'test');
+						localStorage.removeItem('test');
+						return true;
+					}
+					catch( e ) {
+						return false;
+					}
+
+				}
+
+				function zeroPadInteger( num ) {
+
+					var str = '00' + parseInt( num );
+					return str.substring( str.length - 2 );
+
+				}
+
+				/**
+				 * Limits the frequency at which a function can be called.
+				 */
+				function debounce( fn, ms ) {
+
+					var lastTime = 0,
+						timeout;
+
+					return function() {
+
+						var args = arguments;
+						var context = this;
+
+						clearTimeout( timeout );
+
+						var timeSinceLastCall = Date.now() - lastTime;
+						if( timeSinceLastCall > ms ) {
+							fn.apply( context, args );
+							lastTime = Date.now();
+						}
+						else {
+							timeout = setTimeout( function() {
+								fn.apply( context, args );
+								lastTime = Date.now();
+							}, ms - timeSinceLastCall );
+						}
+
+					}
+
+				}
+
+			})();
+
+		</script>
+	</body>
+</html>
\ No newline at end of file