svgedit/dist/editor/system/extensions/ext-mathjax/ext-mathjax.js

System.register([],(function(t){"use strict";return{execute:function(){var e="undefined"!=typeof globalThis?globalThis:"undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:{};function createCommonjsModule(t,e,n){return t(n={path:e,exports:{},require:function(t,e){return function commonjsRequire(){throw new Error("Dynamic requires are not currently supported by @rollup/plugin-commonjs")}(null==e&&n.path)}},n.exports),n.exports}var check=function(t){return t&&t.Math==Math&&t},n=check("object"==typeof globalThis&&globalThis)||check("object"==typeof window&&window)||check("object"==typeof self&&self)||check("object"==typeof e&&e)||Function("return this")(),fails=function(t){try{return!!t()}catch(t){return!0}},r=!fails((function(){return 7!=Object.defineProperty({},1,{get:function(){return 7}})[1]})),i={}.propertyIsEnumerable,o=Object.getOwnPropertyDescriptor,s={f:o&&!i.call({1:2},1)?function propertyIsEnumerable(t){var e=o(this,t);return!!e&&e.enumerable}:i},createPropertyDescriptor=function(t,e){return{enumerable:!(1&t),configurable:!(2&t),writable:!(4&t),value:e}},u={}.toString,classofRaw=function(t){return u.call(t).slice(8,-1)},l="".split,h=fails((function(){return!Object("z").propertyIsEnumerable(0)}))?function(t){return"String"==classofRaw(t)?l.call(t,""):Object(t)}:Object,requireObjectCoercible=function(t){if(null==t)throw TypeError("Can't call method on "+t);return t},toIndexedObject=function(t){return h(requireObjectCoercible(t))},isObject=function(t){return"object"==typeof t?null!==t:"function"==typeof t},toPrimitive=function(t,e){if(!isObject(t))return t;var n,r;if(e&&"function"==typeof(n=t.toString)&&!isObject(r=n.call(t)))return r;if("function"==typeof(n=t.valueOf)&&!isObject(r=n.call(t)))return r;if(!e&&"function"==typeof(n=t.toString)&&!isObject(r=n.call(t)))return r;throw TypeError("Can't convert object to primitive value")},f={}.hasOwnProperty,has=function(t,e){return f.call(t,e)},p=n.document,d=isObject(p)&&isObject(p.createElement),documentCreateElement=function(t){return d?p.createElement(t):{}},m=!r&&!fails((function(){return 7!=Object.defineProperty(documentCreateElement("div"),"a",{get:function(){return 7}}).a})),v=Object.getOwnPropertyDescriptor,x={f:r?v:function getOwnPropertyDescriptor(t,e){if(t=toIndexedObject(t),e=toPrimitive(e,!0),m)try{return v(t,e)}catch(t){}if(has(t,e))return createPropertyDescriptor(!s.f.call(t,e),t[e])}},anObject=function(t){if(!isObject(t))throw TypeError(String(t)+" is not an object");return t},y=Object.defineProperty,S={f:r?y:function defineProperty(t,e,n){if(anObject(t),e=toPrimitive(e,!0),anObject(n),m)try{return y(t,e,n)}catch(t){}if("get"in n||"set"in n)throw TypeError("Accessors not supported");return"value"in n&&(t[e]=n.value),t}},M=r?function(t,e,n){return S.f(t,e,createPropertyDescriptor(1,n))}:function(t,e,n){return t[e]=n,t},setGlobal=function(t,e){try{M(n,t,e)}catch(r){n[t]=e}return e},w="__core-js_shared__",E=n[w]||setGlobal(w,{}),J=Function.toString;"function"!=typeof E.inspectSource&&(E.inspectSource=function(t){return J.call(t)});var T,P,k,A=E.inspectSource,C=n.WeakMap,j="function"==typeof C&&/native code/.test(A(C)),I=createCommonjsModule((function(t){(t.exports=function(t,e){return E[t]||(E[t]=void 0!==e?e:{})})("versions",[]).push({version:"3.6.5",mode:"global",copyright:"© 2020 Denis Pushkarev (zloirock.ru)"})})),O=0,R=Math.random(),uid=function(t){return"Symbol("+String(void 0===t?"":t)+")_"+(++O+R).toString(36)},L=I("keys"),sharedKey=function(t){return L[t]||(L[t]=uid(t))},D={},H=n.WeakMap;if(j){var U=new H,N=U.get,B=U.has,q=U.set;T=function(t,e){return q.call(U,t,e),e},P=function(t){return N.call(U,t)||{}},k=function(t){return B.call(U,t)}}else{var G=sharedKey("state");D[G]=!0,T=function(t,e){return M(t,G,e),e},P=function(t){return has(t,G)?t[G]:{}},k=function(t){return has(t,G)}}var z,$={set:T,get:P,has:k,enforce:function(t){return k(t)?P(t):T(t,{})},getterFor:function(t){return function(e){var n;if(!isObject(e)||(n=P(e)).type!==t)throw TypeError("Incompatible receiver, "+t+" required");return n}}},V=createCommonjsModule((function(t){var e=$.get,r=$.enforce,i=String(String).split("String");(t.exports=function(t,e,o,s){var u=!!s&&!!s.unsafe,l=!!s&&!!s.enumerable,h=!!s&&!!s.noTargetGet;"function"==typeof o&&("string"!=typeof e||has(o,"name")||M(o,"name",e),r(o).source=i.join("string"==typeof e?e:"")),t!==n?(u?!h&&t[e]&&(l=!0):delete t[e],l?t[e]=o:M(t,e,o)):l?t[e]=o:setGlobal(e,o)})(Function.prototype,"toString",(function toString(){return"function"==typeof this&&e(this).source||A(this)}))})),K=n,aFunction=function(t){return"function"==typeof t?t:void 0},getBuiltIn=function(t,e){return arguments.length<2?aFunction(K[t])||aFunction(n[t]):K[t]&&K[t][e]||n[t]&&n[t][e]},Q=Math.ceil,W=Math.floor,toInteger=function(t){return isNaN(t=+t)?0:(t>0?W:Q)(t)},X=Math.min,toLength=function(t){return t>0?X(toInteger(t),9007199254740991):0},Y=Math.max,Z=Math.min,toAbsoluteIndex=function(t,e){var n=toInteger(t);return n<0?Y(n+e,0):Z(n,e)},createMethod=function(t){return function(e,n,r){var i,o=toIndexedObject(e),s=toLength(o.length),u=toAbsoluteIndex(r,s);if(t&&n!=n){for(;s>u;)if((i=o[u++])!=i)return!0}else for(;s>u;u++)if((t||u in o)&&o[u]===n)return t||u||0;return!t&&-1}},tt={includes:createMethod(!0),indexOf:createMethod(!1)}.indexOf,objectKeysInternal=function(t,e){var n,r=toIndexedObject(t),i=0,o=[];for(n in r)!has(D,n)&&has(r,n)&&o.push(n);for(;e.length>i;)has(r,n=e[i++])&&(~tt(o,n)||o.push(n));return o},et=["constructor","hasOwnProperty","isPrototypeOf","propertyIsEnumerable","toLocaleString","toString","valueOf"],nt=et.concat("length","prototype"),rt={f:Object.getOwnPropertyNames||function getOwnPropertyNames(t){return objectKeysInternal(t,nt)}},it={f:Object.getOwnPropertySymbols},ot=getBuiltIn("Reflect","ownKeys")||function ownKeys(t){var e=rt.f(anObject(t)),n=it.f;return n?e.concat(n(t)):e},copyConstructorProperties=function(t,e){for(var n=ot(e),r=S.f,i=x.f,o=0;o<n.length;o++){var s=n[o];has(t,s)||r(t,s,i(e,s))}},at=/#|\.prototype\./,isForced=function(t,e){var n=ut[st(t)];return n==lt||n!=ct&&("function"==typeof e?fails(e):!!e)},st=isForced.normalize=function(t){return String(t).replace(at,".").toLowerCase()},ut=isForced.data={},ct=isForced.NATIVE="N",lt=isForced.POLYFILL="P",ht=isForced,ft=x.f,_export=function(t,e){var r,i,o,s,u,l=t.target,h=t.global,f=t.stat;if(r=h?n:f?n[l]||setGlobal(l,{}):(n[l]||{}).prototype)for(i in e){if(s=e[i],o=t.noTargetGet?(u=ft(r,i))&&u.value:r[i],!ht(h?i:l+(f?".":"#")+i,t.forced)&&void 0!==o){if(typeof s==typeof o)continue;copyConstructorProperties(s,o)}(t.sham||o&&o.sham)&&M(s,"sham",!0),V(r,i,s,t)}},aFunction$1=function(t){if("function"!=typeof t)throw TypeError(String(t)+" is not a function");return t},functionBindContext=function(t,e,n){if(aFunction$1(t),void 0===e)return t;switch(n){case 0:return function(){return t.call(e)};case 1:return function(n){return t.call(e,n)};case 2:return function(n,r){return t.call(e,n,r)};case 3:return function(n,r,i){return t.call(e,n,r,i)}}return function(){return t.apply(e,arguments)}},toObject=function(t){return Object(requireObjectCoercible(t))},pt=Array.isArray||function isArray(t){return"Array"==classofRaw(t)},dt=!!Object.getOwnPropertySymbols&&!fails((function(){return!String(Symbol())})),gt=dt&&!Symbol.sham&&"symbol"==typeof Symbol.iterator,mt=I("wks"),vt=n.Symbol,xt=gt?vt:vt&&vt.withoutSetter||uid,wellKnownSymbol=function(t){return has(mt,t)||(dt&&has(vt,t)?mt[t]=vt[t]:mt[t]=xt("Symbol."+t)),mt[t]},yt=wellKnownSymbol("species"),arraySpeciesCreate=function(t,e){var n;return pt(t)&&("function"!=typeof(n=t.constructor)||n!==Array&&!pt(n.prototype)?isObject(n)&&null===(n=n[yt])&&(n=void 0):n=void 0),new(void 0===n?Array:n)(0===e?0:e)},bt=[].push,createMethod$1=function(t){var e=1==t,n=2==t,r=3==t,i=4==t,o=6==t,s=5==t||o;return function(u,l,f,p){for(var d,m,v=toObject(u),x=h(v),y=functionBindContext(l,f,3),S=toLength(x.length),M=0,w=p||arraySpeciesCreate,E=e?w(u,S):n?w(u,0):void 0;S>M;M++)if((s||M in x)&&(m=y(d=x[M],M,v),t))if(e)E[M]=m;else if(m)switch(t){case 3:return!0;case 5:return d;case 6:return M;case 2:bt.call(E,d)}else if(i)return!1;return o?-1:r||i?i:E}},St={forEach:createMethod$1(0),map:createMethod$1(1),filter:createMethod$1(2),some:createMethod$1(3),every:createMethod$1(4),find:createMethod$1(5),findIndex:createMethod$1(6)},Mt=Object.keys||function keys(t){return objectKeysInternal(t,et)},wt=r?Object.defineProperties:function defineProperties(t,e){anObject(t);for(var n,r=Mt(e),i=r.length,o=0;i>o;)S.f(t,n=r[o++],e[n]);return t},Et=getBuiltIn("document","documentElement"),Jt=sharedKey("IE_PROTO"),EmptyConstructor=function(){},scriptTag=function(t){return"<script>"+t+"</"+"script>"},NullProtoObject=function(){try{z=document.domain&&new ActiveXObject("htmlfile")}catch(t){}var t,e;NullProtoObject=z?function(t){t.write(scriptTag("")),t.close();var e=t.parentWindow.Object;return t=null,e}(z):((e=documentCreateElement("iframe")).style.display="none",Et.appendChild(e),e.src=String("javascript:"),(t=e.contentWindow.document).open(),t.write(scriptTag("document.F=Object")),t.close(),t.F);for(var n=et.length;n--;)delete NullProtoObject.prototype[et[n]];return NullProtoObject()};D[Jt]=!0;var Tt=Object.create||function create(t,e){var n;return null!==t?(EmptyConstructor.prototype=anObject(t),n=new EmptyConstructor,EmptyConstructor.prototype=null,n[Jt]=t):n=NullProtoObject(),void 0===e?n:wt(n,e)},Pt=wellKnownSymbol("unscopables"),kt=Array.prototype;null==kt[Pt]&&S.f(kt,Pt,{configurable:!0,value:Tt(null)});var addToUnscopables=function(t){kt[Pt][t]=!0},At=Object.defineProperty,Ct={},thrower=function(t){throw t},arrayMethodUsesToLength=function(t,e){if(has(Ct,t))return Ct[t];e||(e={});var n=[][t],i=!!has(e,"ACCESSORS")&&e.ACCESSORS,o=has(e,0)?e[0]:thrower,s=has(e,1)?e[1]:void 0;return Ct[t]=!!n&&!fails((function(){if(i&&!r)return!0;var t={length:-1};i?At(t,1,{enumerable:!0,get:thrower}):t[1]=1,n.call(t,o,s)}))},jt=St.find,It="find",Ot=!0,_t=arrayMethodUsesToLength(It);It in[]&&Array(1).find((function(){Ot=!1})),_export({target:"Array",proto:!0,forced:Ot||!_t},{find:function find(t){return jt(this,t,arguments.length>1?arguments[1]:void 0)}}),addToUnscopables(It);var Rt,Lt,Dt=getBuiltIn("navigator","userAgent")||"",Ht=n.process,Ft=Ht&&Ht.versions,Ut=Ft&&Ft.v8;Ut?Lt=(Rt=Ut.split("."))[0]+Rt[1]:Dt&&(!(Rt=Dt.match(/Edge\/(\d+)/))||Rt[1]>=74)&&(Rt=Dt.match(/Chrome\/(\d+)/))&&(Lt=Rt[1]);var Nt=Lt&&+Lt,Bt=wellKnownSymbol("species"),arrayMethodHasSpeciesSupport=function(t){return Nt>=51||!fails((function(){var e=[];return(e.constructor={})[Bt]=function(){return{foo:1}},1!==e[t](Boolean).foo}))},qt=St.map,Gt=arrayMethodHasSpeciesSupport("map"),zt=arrayMethodUsesToLength("map");_export({target:"Array",proto:!0,forced:!Gt||!zt},{map:function map(t){return qt(this,t,arguments.length>1?arguments[1]:void 0)}});var createProperty=function(t,e,n){var r=toPrimitive(e);r in t?S.f(t,r,createPropertyDescriptor(0,n)):t[r]=n},$t=arrayMethodHasSpeciesSupport("slice"),Vt=arrayMethodUsesToLength("slice",{ACCESSORS:!0,0:0,1:2}),Kt=wellKnownSymbol("species"),Qt=[].slice,Wt=Math.max;_export({target:"Array",proto:!0,forced:!$t||!Vt},{slice:function slice(t,e){var n,r,i,o=toIndexedObject(this),s=toLength(o.length),u=toAbsoluteIndex(t,s),l=toAbsoluteIndex(void 0===e?s:e,s);if(pt(o)&&("function"!=typeof(n=o.constructor)||n!==Array&&!pt(n.prototype)?isObject(n)&&null===(n=n[Kt])&&(n=void 0):n=void 0,n===Array||void 0===n))return Qt.call(o,u,l);for(r=new(void 0===n?Array:n)(Wt(l-u,0)),i=0;u<l;u++,i++)u in o&&createProperty(r,i,o[u]);return r.length=i,r}});var Xt=S.f,Yt=Function.prototype,Zt=Yt.toString,te=/^\s*function ([^ (]*)/,ee="name";r&&!(ee in Yt)&&Xt(Yt,ee,{configurable:!0,get:function(){try{return Zt.call(this).match(te)[1]}catch(t){return""}}});var ne=Object.assign,re=Object.defineProperty,ie=!ne||fails((function(){if(r&&1!==ne({b:1},ne(re({},"a",{enumerable:!0,get:function(){re(this,"b",{value:3,enumerable:!1})}}),{b:2})).b)return!0;var t={},e={},n=Symbol(),i="abcdefghijklmnopqrst";return t[n]=7,i.split("").forEach((function(t){e[t]=t})),7!=ne({},t)[n]||Mt(ne({},e)).join("")!=i}))?function assign(t,e){for(var n=toObject(t),i=arguments.length,o=1,u=it.f,l=s.f;i>o;)for(var f,p=h(arguments[o++]),d=u?Mt(p).concat(u(p)):Mt(p),m=d.length,v=0;m>v;)f=d[v++],r&&!l.call(p,f)||(n[f]=p[f]);return n}:ne;_export({target:"Object",stat:!0,forced:Object.assign!==ie},{assign:ie});var oe={};oe[wellKnownSymbol("toStringTag")]="z";var ae="[object z]"===String(oe),se=wellKnownSymbol("toStringTag"),ue="Arguments"==classofRaw(function(){return arguments}()),ce=ae?classofRaw:function(t){var e,n,r;return void 0===t?"Undefined":null===t?"Null":"string"==typeof(n=function(t,e){try{return t[e]}catch(t){}}(e=Object(t),se))?n:ue?classofRaw(e):"Object"==(r=classofRaw(e))&&"function"==typeof e.callee?"Arguments":r},le=ae?{}.toString:function toString(){return"[object "+ce(this)+"]"};ae||V(Object.prototype,"toString",le,{unsafe:!0});var he=n.Promise,fe=S.f,pe=wellKnownSymbol("toStringTag"),setToStringTag=function(t,e,n){t&&!has(t=n?t:t.prototype,pe)&&fe(t,pe,{configurable:!0,value:e})},de=wellKnownSymbol("species"),setSpecies=function(t){var e=getBuiltIn(t),n=S.f;r&&e&&!e[de]&&n(e,de,{configurable:!0,get:function(){return this}})},ge={},me=wellKnownSymbol("iterator"),ve=Array.prototype,xe=wellKnownSymbol("iterator"),callWithSafeIterationClosing=function(t,e,n,r){try{return r?e(anObject(n)[0],n[1]):e(n)}catch(e){var i=t.return;throw void 0!==i&&anObject(i.call(t)),e}},ye=createCommonjsModule((function(t){var Result=function(t,e){this.stopped=t,this.result=e};(t.exports=function(t,e,n,r,i){var o,s,u,l,h,f,p,d,m=functionBindContext(e,n,r?2:1);if(i)o=t;else{if("function"!=typeof(s=function(t){if(null!=t)return t[xe]||t["@@iterator"]||ge[ce(t)]}(t)))throw TypeError("Target is not iterable");if(void 0!==(d=s)&&(ge.Array===d||ve[me]===d)){for(u=0,l=toLength(t.length);l>u;u++)if((h=r?m(anObject(p=t[u])[0],p[1]):m(t[u]))&&h instanceof Result)return h;return new Result(!1)}o=s.call(t)}for(f=o.next;!(p=f.call(o)).done;)if("object"==typeof(h=callWithSafeIterationClosing(o,m,p.value,r))&&h&&h instanceof Result)return h;return new Result(!1)}).stop=function(t){return new Result(!0,t)}})),be=wellKnownSymbol("iterator"),Se=!1;try{var Me=0,we={next:function(){return{done:!!Me++}},return:function(){Se=!0}};we[be]=function(){return this},Array.from(we,(function(){throw 2}))}catch(t){}var Ee,Je,Te,Pe=wellKnownSymbol("species"),speciesConstructor=function(t,e){var n,r=anObject(t).constructor;return void 0===r||null==(n=anObject(r)[Pe])?e:aFunction$1(n)},ke=/(iphone|ipod|ipad).*applewebkit/i.test(Dt),Ae=n.location,Ce=n.setImmediate,je=n.clearImmediate,Ie=n.process,Oe=n.MessageChannel,_e=n.Dispatch,Re=0,Le={},De="onreadystatechange",run=function(t){if(Le.hasOwnProperty(t)){var e=Le[t];delete Le[t],e()}},runner=function(t){return function(){run(t)}},listener=function(t){run(t.data)},post=function(t){n.postMessage(t+"",Ae.protocol+"//"+Ae.host)};Ce&&je||(Ce=function setImmediate(t){for(var e=[],n=1;arguments.length>n;)e.push(arguments[n++]);return Le[++Re]=function(){("function"==typeof t?t:Function(t)).apply(void 0,e)},Ee(Re),Re},je=function clearImmediate(t){delete Le[t]},"process"==classofRaw(Ie)?Ee=function(t){Ie.nextTick(runner(t))}:_e&&_e.now?Ee=function(t){_e.now(runner(t))}:Oe&&!ke?(Te=(Je=new Oe).port2,Je.port1.onmessage=listener,Ee=functionBindContext(Te.postMessage,Te,1)):!n.addEventListener||"function"!=typeof postMessage||n.importScripts||fails(post)||"file:"===Ae.protocol?Ee=De in documentCreateElement("script")?function(t){Et.appendChild(documentCreateElement("script")).onreadystatechange=function(){Et.removeChild(this),run(t)}}:function(t){setTimeout(runner(t),0)}:(Ee=post,n.addEventListener("message",listener,!1)));var He,Fe,Ue,Ne,Be,qe,Ge,ze,$e={set:Ce,clear:je},Ve=x.f,Ke=$e.set,Qe=n.MutationObserver||n.WebKitMutationObserver,We=n.process,Xe=n.Promise,Ye="process"==classofRaw(We),Ze=Ve(n,"queueMicrotask"),tn=Ze&&Ze.value;tn||(He=function(){var t,e;for(Ye&&(t=We.domain)&&t.exit();Fe;){e=Fe.fn,Fe=Fe.next;try{e()}catch(t){throw Fe?Ne():Ue=void 0,t}}Ue=void 0,t&&t.enter()},Ye?Ne=function(){We.nextTick(He)}:Qe&&!ke?(Be=!0,qe=document.createTextNode(""),new Qe(He).observe(qe,{characterData:!0}),Ne=function(){qe.data=Be=!Be}):Xe&&Xe.resolve?(Ge=Xe.resolve(void 0),ze=Ge.then,Ne=function(){ze.call(Ge,He)}):Ne=function(){Ke.call(n,He)});var en,nn,rn,on,an=tn||function(t){var e={fn:t,next:void 0};Ue&&(Ue.next=e),Fe||(Fe=e,Ne()),Ue=e},PromiseCapability=function(t){var e,n;this.promise=new t((function(t,r){if(void 0!==e||void 0!==n)throw TypeError("Bad Promise constructor");e=t,n=r})),this.resolve=aFunction$1(e),this.reject=aFunction$1(n)},sn={f:function(t){return new PromiseCapability(t)}},promiseResolve=function(t,e){if(anObject(t),isObject(e)&&e.constructor===t)return e;var n=sn.f(t);return(0,n.resolve)(e),n.promise},perform=function(t){try{return{error:!1,value:t()}}catch(t){return{error:!0,value:t}}},un=$e.set,cn=wellKnownSymbol("species"),ln="Promise",hn=$.get,fn=$.set,pn=$.getterFor(ln),dn=he,gn=n.TypeError,mn=n.document,vn=n.process,xn=getBuiltIn("fetch"),yn=sn.f,bn=yn,Sn="process"==classofRaw(vn),Mn=!!(mn&&mn.createEvent&&n.dispatchEvent),wn="unhandledrejection",En=ht(ln,(function(){if(!(A(dn)!==String(dn))){if(66===Nt)return!0;if(!Sn&&"function"!=typeof PromiseRejectionEvent)return!0}if(Nt>=51&&/native code/.test(dn))return!1;var t=dn.resolve(1),FakePromise=function(t){t((function(){}),(function(){}))};return(t.constructor={})[cn]=FakePromise,!(t.then((function(){}))instanceof FakePromise)})),Jn=En||!function(t,e){if(!e&&!Se)return!1;var n=!1;try{var r={};r[be]=function(){return{next:function(){return{done:n=!0}}}},t(r)}catch(t){}return n}((function(t){dn.all(t).catch((function(){}))})),isThenable=function(t){var e;return!(!isObject(t)||"function"!=typeof(e=t.then))&&e},notify$1=function(t,e,n){if(!e.notified){e.notified=!0;var r=e.reactions;an((function(){for(var i=e.value,o=1==e.state,s=0;r.length>s;){var u,l,h,f=r[s++],p=o?f.ok:f.fail,d=f.resolve,m=f.reject,v=f.domain;try{p?(o||(2===e.rejection&&onHandleUnhandled(t,e),e.rejection=1),!0===p?u=i:(v&&v.enter(),u=p(i),v&&(v.exit(),h=!0)),u===f.promise?m(gn("Promise-chain cycle")):(l=isThenable(u))?l.call(u,d,m):d(u)):m(i)}catch(t){v&&!h&&v.exit(),m(t)}}e.reactions=[],e.notified=!1,n&&!e.rejection&&onUnhandled(t,e)}))}},dispatchEvent=function(t,e,r){var i,o;Mn?((i=mn.createEvent("Event")).promise=e,i.reason=r,i.initEvent(t,!1,!0),n.dispatchEvent(i)):i={promise:e,reason:r},(o=n["on"+t])?o(i):t===wn&&function(t,e){var r=n.console;r&&r.error&&(1===arguments.length?r.error(t):r.error(t,e))}("Unhandled promise rejection",r)},onUnhandled=function(t,e){un.call(n,(function(){var n,r=e.value;if(isUnhandled(e)&&(n=perform((function(){Sn?vn.emit("unhandledRejection",r,t):dispatchEvent(wn,t,r)})),e.rejection=Sn||isUnhandled(e)?2:1,n.error))throw n.value}))},isUnhandled=function(t){return 1!==t.rejection&&!t.parent},onHandleUnhandled=function(t,e){un.call(n,(function(){Sn?vn.emit("rejectionHandled",t):dispatchEvent("rejectionhandled",t,e.value)}))},bind=function(t,e,n,r){return function(i){t(e,n,i,r)}},internalReject=function(t,e,n,r){e.done||(e.done=!0,r&&(e=r),e.value=n,e.state=2,notify$1(t,e,!0))},internalResolve=function(t,e,n,r){if(!e.done){e.done=!0,r&&(e=r);try{if(t===n)throw gn("Promise can't be resolved itself");var i=isThenable(n);i?an((function(){var r={done:!1};try{i.call(n,bind(internalResolve,t,r,e),bind(internalReject,t,r,e))}catch(n){internalReject(t,r,n,e)}})):(e.value=n,e.state=1,notify$1(t,e,!1))}catch(n){internalReject(t,{done:!1},n,e)}}};En&&(dn=function Promise(t){!function(t,e,n){if(!(t instanceof e))throw TypeError("Incorrect "+(n?n+" ":"")+"invocation")}(this,dn,ln),aFunction$1(t),en.call(this);var e=hn(this);try{t(bind(internalResolve,this,e),bind(internalReject,this,e))}catch(t){internalReject(this,e,t)}},(en=function Promise(t){fn(this,{type:ln,done:!1,notified:!1,parent:!1,reactions:[],rejection:!1,state:0,value:void 0})}).prototype=function(t,e,n){for(var r in e)V(t,r,e[r],n);return t}(dn.prototype,{then:function then(t,e){var n=pn(this),r=yn(speciesConstructor(this,dn));return r.ok="function"!=typeof t||t,r.fail="function"==typeof e&&e,r.domain=Sn?vn.domain:void 0,n.parent=!0,n.reactions.push(r),0!=n.state&&notify$1(this,n,!1),r.promise},catch:function(t){return this.then(void 0,t)}}),nn=function(){var t=new en,e=hn(t);this.promise=t,this.resolve=bind(internalResolve,t,e),this.reject=bind(internalReject,t,e)},sn.f=yn=function(t){return t===dn||t===rn?new nn(t):bn(t)},"function"==typeof he&&(on=he.prototype.then,V(he.prototype,"then",(function then(t,e){var n=this;return new dn((function(t,e){on.call(n,t,e)})).then(t,e)}),{unsafe:!0}),"function"==typeof xn&&_export({global:!0,enumerable:!0,forced:!0},{fetch:function fetch(t){return promiseResolve(dn,xn.apply(n,arguments))}}))),_export({global:!0,wrap:!0,forced:En},{Promise:dn}),setToStringTag(dn,ln,!1),setSpecies(ln),rn=getBuiltIn(ln),_export({target:ln,stat:!0,forced:En},{reject:function reject(t){var e=yn(this);return e.reject.call(void 0,t),e.promise}}),_export({target:ln,stat:!0,forced:En},{resolve:function resolve(t){return promiseResolve(this,t)}}),_export({target:ln,stat:!0,forced:Jn},{all:function all(t){var e=this,n=yn(e),r=n.resolve,i=n.reject,o=perform((function(){var n=aFunction$1(e.resolve),o=[],s=0,u=1;ye(t,(function(t){var l=s++,h=!1;o.push(void 0),u++,n.call(e,t).then((function(t){h||(h=!0,o[l]=t,--u||r(o))}),i)})),--u||r(o)}));return o.error&&i(o.value),n.promise},race:function race(t){var e=this,n=yn(e),r=n.reject,i=perform((function(){var i=aFunction$1(e.resolve);ye(t,(function(t){i.call(e,t).then(n.resolve,r)}))}));return i.error&&r(i.value),n.promise}});var Tn=rt.f,Pn={}.toString,kn="object"==typeof window&&window&&Object.getOwnPropertyNames?Object.getOwnPropertyNames(window):[],An={f:function getOwnPropertyNames(t){return kn&&"[object Window]"==Pn.call(t)?function(t){try{return Tn(t)}catch(t){return kn.slice()}}(t):Tn(toIndexedObject(t))}},Cn={f:wellKnownSymbol},jn=S.f,defineWellKnownSymbol=function(t){var e=K.Symbol||(K.Symbol={});has(e,t)||jn(e,t,{value:Cn.f(t)})},In=St.forEach,On=sharedKey("hidden"),_n="Symbol",Rn=wellKnownSymbol("toPrimitive"),Ln=$.set,Dn=$.getterFor(_n),Hn=Object.prototype,Fn=n.Symbol,Un=getBuiltIn("JSON","stringify"),Nn=x.f,Bn=S.f,qn=An.f,Gn=s.f,zn=I("symbols"),$n=I("op-symbols"),Vn=I("string-to-symbol-registry"),Kn=I("symbol-to-string-registry"),Qn=I("wks"),Wn=n.QObject,Xn=!Wn||!Wn.prototype||!Wn.prototype.findChild,Yn=r&&fails((function(){return 7!=Tt(Bn({},"a",{get:function(){return Bn(this,"a",{value:7}).a}})).a}))?function(t,e,n){var r=Nn(Hn,e);r&&delete Hn[e],Bn(t,e,n),r&&t!==Hn&&Bn(Hn,e,r)}:Bn,wrap=function(t,e){var n=zn[t]=Tt(Fn.prototype);return Ln(n,{type:_n,tag:t,description:e}),r||(n.description=e),n},Zn=gt?function(t){return"symbol"==typeof t}:function(t){return Object(t)instanceof Fn},tr=function defineProperty(t,e,n){t===Hn&&tr($n,e,n),anObject(t);var r=toPrimitive(e,!0);return anObject(n),has(zn,r)?(n.enumerable?(has(t,On)&&t[On][r]&&(t[On][r]=!1),n=Tt(n,{enumerable:createPropertyDescriptor(0,!1)})):(has(t,On)||Bn(t,On,createPropertyDescriptor(1,{})),t[On][r]=!0),Yn(t,r,n)):Bn(t,r,n)},er=function defineProperties(t,e){anObject(t);var n=toIndexedObject(e),i=Mt(n).concat(or(n));return In(i,(function(e){r&&!nr.call(n,e)||tr(t,e,n[e])})),t},nr=function propertyIsEnumerable(t){var e=toPrimitive(t,!0),n=Gn.call(this,e);return!(this===Hn&&has(zn,e)&&!has($n,e))&&(!(n||!has(this,e)||!has(zn,e)||has(this,On)&&this[On][e])||n)},rr=function getOwnPropertyDescriptor(t,e){var n=toIndexedObject(t),r=toPrimitive(e,!0);if(n!==Hn||!has(zn,r)||has($n,r)){var i=Nn(n,r);return!i||!has(zn,r)||has(n,On)&&n[On][r]||(i.enumerable=!0),i}},ir=function getOwnPropertyNames(t){var e=qn(toIndexedObject(t)),n=[];return In(e,(function(t){has(zn,t)||has(D,t)||n.push(t)})),n},or=function getOwnPropertySymbols(t){var e=t===Hn,n=qn(e?$n:toIndexedObject(t)),r=[];return In(n,(function(t){!has(zn,t)||e&&!has(Hn,t)||r.push(zn[t])})),r};if(dt||(V((Fn=function Symbol(){if(this instanceof Fn)throw TypeError("Symbol is not a constructor");var t=arguments.length&&void 0!==arguments[0]?String(arguments[0]):void 0,e=uid(t),setter=function(t){this===Hn&&setter.call($n,t),has(this,On)&&has(this[On],e)&&(this[On][e]=!1),Yn(this,e,createPropertyDescriptor(1,t))};return r&&Xn&&Yn(Hn,e,{configurable:!0,set:setter}),wrap(e,t)}).prototype,"toString",(function toString(){return Dn(this).tag})),V(Fn,"withoutSetter",(function(t){return wrap(uid(t),t)})),s.f=nr,S.f=tr,x.f=rr,rt.f=An.f=ir,it.f=or,Cn.f=function(t){return wrap(wellKnownSymbol(t),t)},r&&(Bn(Fn.prototype,"description",{configurable:!0,get:function description(){return Dn(this).description}}),V(Hn,"propertyIsEnumerable",nr,{unsafe:!0}))),_export({global:!0,wrap:!0,forced:!dt,sham:!dt},{Symbol:Fn}),In(Mt(Qn),(function(t){defineWellKnownSymbol(t)})),_export({target:_n,stat:!0,forced:!dt},{for:function(t){var e=String(t);if(has(Vn,e))return Vn[e];var n=Fn(e);return Vn[e]=n,Kn[n]=e,n},keyFor:function keyFor(t){if(!Zn(t))throw TypeError(t+" is not a symbol");if(has(Kn,t))return Kn[t]},useSetter:function(){Xn=!0},useSimple:function(){Xn=!1}}),_export({target:"Object",stat:!0,forced:!dt,sham:!r},{create:function create(t,e){return void 0===e?Tt(t):er(Tt(t),e)},defineProperty:tr,defineProperties:er,getOwnPropertyDescriptor:rr}),_export({target:"Object",stat:!0,forced:!dt},{getOwnPropertyNames:ir,getOwnPropertySymbols:or}),_export({target:"Object",stat:!0,forced:fails((function(){it.f(1)}))},{getOwnPropertySymbols:function getOwnPropertySymbols(t){return it.f(toObject(t))}}),Un){var ar=!dt||fails((function(){var t=Fn();return"[null]"!=Un([t])||"{}"!=Un({a:t})||"{}"!=Un(Object(t))}));_export({target:"JSON",stat:!0,forced:ar},{stringify:function stringify(t,e,n){for(var r,i=[t],o=1;arguments.length>o;)i.push(arguments[o++]);if(r=e,(isObject(e)||void 0!==t)&&!Zn(t))return pt(e)||(e=function(t,e){if("function"==typeof r&&(e=r.call(this,t,e)),!Zn(e))return e}),i[1]=e,Un.apply(null,i)}})}Fn.prototype[Rn]||M(Fn.prototype,Rn,Fn.prototype.valueOf),setToStringTag(Fn,_n),D[On]=!0;var sr=S.f,ur=n.Symbol;if(r&&"function"==typeof ur&&(!("description"in ur.prototype)||void 0!==ur().description)){var cr={},lr=function Symbol(){var t=arguments.length<1||void 0===arguments[0]?void 0:String(arguments[0]),e=this instanceof lr?new ur(t):void 0===t?ur():ur(t);return""===t&&(cr[e]=!0),e};copyConstructorProperties(lr,ur);var hr=lr.prototype=ur.prototype;hr.constructor=lr;var fr=hr.toString,pr="Symbol(test)"==String(ur("test")),dr=/^Symbol\((.*)\)[^)]+$/;sr(hr,"description",{configurable:!0,get:function description(){var t=isObject(this)?this.valueOf():this,e=fr.call(t);if(has(cr,t))return"";var n=pr?e.slice(7,-1):e.replace(dr,"$1");return""===n?void 0:n}}),_export({global:!0,forced:!0},{Symbol:lr})}defineWellKnownSymbol("asyncIterator"),defineWellKnownSymbol("iterator"),defineWellKnownSymbol("toStringTag");var arrayMethodIsStrict=function(t,e){var n=[][t];return!!n&&fails((function(){n.call(null,e||function(){throw 1},1)}))},gr=St.forEach,mr=arrayMethodIsStrict("forEach"),vr=arrayMethodUsesToLength("forEach"),xr=mr&&vr?[].forEach:function forEach(t){return gr(this,t,arguments.length>1?arguments[1]:void 0)};_export({target:"Array",proto:!0,forced:[].forEach!=xr},{forEach:xr});var yr,br,Sr,Mr=!fails((function(){function F(){}return F.prototype.constructor=null,Object.getPrototypeOf(new F)!==F.prototype})),wr=sharedKey("IE_PROTO"),Er=Object.prototype,Jr=Mr?Object.getPrototypeOf:function(t){return t=toObject(t),has(t,wr)?t[wr]:"function"==typeof t.constructor&&t instanceof t.constructor?t.constructor.prototype:t instanceof Object?Er:null},Tr=wellKnownSymbol("iterator"),Pr=!1;[].keys&&("next"in(Sr=[].keys())?(br=Jr(Jr(Sr)))!==Object.prototype&&(yr=br):Pr=!0),null==yr&&(yr={}),has(yr,Tr)||M(yr,Tr,(function(){return this}));var kr={IteratorPrototype:yr,BUGGY_SAFARI_ITERATORS:Pr},Ar=kr.IteratorPrototype,returnThis$1=function(){return this},Cr=Object.setPrototypeOf||("__proto__"in{}?function(){var t,e=!1,n={};try{(t=Object.getOwnPropertyDescriptor(Object.prototype,"__proto__").set).call(n,[]),e=n instanceof Array}catch(t){}return function setPrototypeOf(n,r){return anObject(n),function(t){if(!isObject(t)&&null!==t)throw TypeError("Can't set "+String(t)+" as a prototype")}(r),e?t.call(n,r):n.__proto__=r,n}}():void 0),jr=kr.IteratorPrototype,Ir=kr.BUGGY_SAFARI_ITERATORS,Or=wellKnownSymbol("iterator"),_r="keys",Rr="values",Lr="entries",returnThis$2=function(){return this},defineIterator=function(t,e,n,r,i,o,s){!function(t,e,n){var r=e+" Iterator";t.prototype=Tt(Ar,{next:createPropertyDescriptor(1,n)}),setToStringTag(t,r,!1),ge[r]=returnThis$1}(n,e,r);var u,l,h,getIterationMethod=function(t){if(t===i&&v)return v;if(!Ir&&t in d)return d[t];switch(t){case _r:return function keys(){return new n(this,t)};case Rr:return function values(){return new n(this,t)};case Lr:return function entries(){return new n(this,t)}}return function(){return new n(this)}},f=e+" Iterator",p=!1,d=t.prototype,m=d[Or]||d["@@iterator"]||i&&d[i],v=!Ir&&m||getIterationMethod(i),x="Array"==e&&d.entries||m;if(x&&(u=Jr(x.call(new t)),jr!==Object.prototype&&u.next&&(Jr(u)!==jr&&(Cr?Cr(u,jr):"function"!=typeof u[Or]&&M(u,Or,returnThis$2)),setToStringTag(u,f,!0))),i==Rr&&m&&m.name!==Rr&&(p=!0,v=function values(){return m.call(this)}),d[Or]!==v&&M(d,Or,v),ge[e]=v,i)if(l={values:getIterationMethod(Rr),keys:o?v:getIterationMethod(_r),entries:getIterationMethod(Lr)},s)for(h in l)(Ir||p||!(h in d))&&V(d,h,l[h]);else _export({target:e,proto:!0,forced:Ir||p},l);return l},Dr="Array Iterator",Hr=$.set,Fr=$.getterFor(Dr),Ur=defineIterator(Array,"Array",(function(t,e){Hr(this,{type:Dr,target:toIndexedObject(t),index:0,kind:e})}),(function(){var t=Fr(this),e=t.target,n=t.kind,r=t.index++;return!e||r>=e.length?(t.target=void 0,{value:void 0,done:!0}):"keys"==n?{value:r,done:!1}:"values"==n?{value:e[r],done:!1}:{value:[r,e[r]],done:!1}}),"values");ge.Arguments=ge.Array,addToUnscopables("keys"),addToUnscopables("values"),addToUnscopables("entries");var Nr=[].reverse,Br=[1,2];_export({target:"Array",proto:!0,forced:String(Br)===String(Br.reverse())},{reverse:function reverse(){return pt(this)&&(this.length=this.length),Nr.call(this)}});var qr=Date.prototype,Gr="Invalid Date",zr="toString",$r=qr.toString,Vr=qr.getTime;new Date(NaN)+""!=Gr&&V(qr,zr,(function toString(){var t=Vr.call(this);return t==t?$r.call(this):Gr})),setToStringTag(n.JSON,"JSON",!0),setToStringTag(Math,"Math",!0),_export({target:"Object",stat:!0,sham:!r},{create:Tt}),_export({target:"Object",stat:!0,forced:!r,sham:!r},{defineProperty:S.f});var Kr=fails((function(){Jr(1)}));_export({target:"Object",stat:!0,forced:Kr,sham:!Mr},{getPrototypeOf:function getPrototypeOf(t){return Jr(toObject(t))}}),_export({target:"Object",stat:!0},{setPrototypeOf:Cr});var regexpFlags=function(){var t=anObject(this),e="";return t.global&&(e+="g"),t.ignoreCase&&(e+="i"),t.multiline&&(e+="m"),t.dotAll&&(e+="s"),t.unicode&&(e+="u"),t.sticky&&(e+="y"),e},Qr="toString",Wr=RegExp.prototype,Xr=Wr.toString,Yr=fails((function(){return"/a/b"!=Xr.call({source:"a",flags:"b"})})),Zr=Xr.name!=Qr;(Yr||Zr)&&V(RegExp.prototype,Qr,(function toString(){var t=anObject(this),e=String(t.source),n=t.flags;return"/"+e+"/"+String(void 0===n&&t instanceof RegExp&&!("flags"in Wr)?regexpFlags.call(t):n)}),{unsafe:!0});var createMethod$2=function(t){return function(e,n){var r,i,o=String(requireObjectCoercible(e)),s=toInteger(n),u=o.length;return s<0||s>=u?t?"":void 0:(r=o.charCodeAt(s))<55296||r>56319||s+1===u||(i=o.charCodeAt(s+1))<56320||i>57343?t?o.charAt(s):r:t?o.slice(s,s+2):i-56320+(r-55296<<10)+65536}},ti={codeAt:createMethod$2(!1),charAt:createMethod$2(!0)},ei=ti.charAt,ni="String Iterator",ri=$.set,ii=$.getterFor(ni);defineIterator(String,"String",(function(t){ri(this,{type:ni,string:String(t),index:0})}),(function next(){var t,e=ii(this),n=e.string,r=e.index;return r>=n.length?{value:void 0,done:!0}:(t=ei(n,r),e.index+=t.length,{value:t,done:!1})}));var oi={CSSRuleList:0,CSSStyleDeclaration:0,CSSValueList:0,ClientRectList:0,DOMRectList:0,DOMStringList:0,DOMTokenList:1,DataTransferItemList:0,FileList:0,HTMLAllCollection:0,HTMLCollection:0,HTMLFormElement:0,HTMLSelectElement:0,MediaList:0,MimeTypeArray:0,NamedNodeMap:0,NodeList:1,PaintRequestList:0,Plugin:0,PluginArray:0,SVGLengthList:0,SVGNumberList:0,SVGPathSegList:0,SVGPointList:0,SVGStringList:0,SVGTransformList:0,SourceBufferList:0,StyleSheetList:0,TextTrackCueList:0,TextTrackList:0,TouchList:0};for(var ai in oi){var si=n[ai],ui=si&&si.prototype;if(ui&&ui.forEach!==xr)try{M(ui,"forEach",xr)}catch(t){ui.forEach=xr}}var ci=wellKnownSymbol("iterator"),li=wellKnownSymbol("toStringTag"),hi=Ur.values;for(var fi in oi){var pi=n[fi],di=pi&&pi.prototype;if(di){if(di[ci]!==hi)try{M(di,ci,hi)}catch(t){di[ci]=hi}if(di[li]||M(di,li,fi),oi[fi])for(var gi in Ur)if(di[gi]!==Ur[gi])try{M(di,gi,Ur[gi])}catch(t){di[gi]=Ur[gi]}}}function _typeof(t){return(_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function asyncGeneratorStep(t,e,n,r,i,o,s){try{var u=t[o](s),l=u.value}catch(t){return void n(t)}u.done?e(l):Promise.resolve(l).then(r,i)}function _asyncToGenerator(t){return function(){var e=this,n=arguments;return new Promise((function(r,i){var o=t.apply(e,n);function _next(t){asyncGeneratorStep(o,r,i,_next,_throw,"next",t)}function _throw(t){asyncGeneratorStep(o,r,i,_next,_throw,"throw",t)}_next(void 0)}))}}createCommonjsModule((function(t){var e=function(t){var e,n=Object.prototype,r=n.hasOwnProperty,i="function"==typeof Symbol?Symbol:{},o=i.iterator||"@@iterator",s=i.asyncIterator||"@@asyncIterator",u=i.toStringTag||"@@toStringTag";function define(t,e,n){return Object.defineProperty(t,e,{value:n,enumerable:!0,configurable:!0,writable:!0}),t[e]}try{define({},"")}catch(t){define=function define(t,e,n){return t[e]=n}}function wrap(t,e,n,r){var i=e&&e.prototype instanceof Generator?e:Generator,o=Object.create(i.prototype),s=new Context(r||[]);return o._invoke=function makeInvokeMethod(t,e,n){var r=l;return function invoke(i,o){if(r===f)throw new Error("Generator is already running");if(r===p){if("throw"===i)throw o;return doneResult()}for(n.method=i,n.arg=o;;){var s=n.delegate;if(s){var u=maybeInvokeDelegate(s,n);if(u){if(u===d)continue;return u}}if("next"===n.method)n.sent=n._sent=n.arg;else if("throw"===n.method){if(r===l)throw r=p,n.arg;n.dispatchException(n.arg)}else"return"===n.method&&n.abrupt("return",n.arg);r=f;var m=tryCatch(t,e,n);if("normal"===m.type){if(r=n.done?p:h,m.arg===d)continue;return{value:m.arg,done:n.done}}"throw"===m.type&&(r=p,n.method="throw",n.arg=m.arg)}}}(t,n,s),o}function tryCatch(t,e,n){try{return{type:"normal",arg:t.call(e,n)}}catch(t){return{type:"throw",arg:t}}}t.wrap=wrap;var l="suspendedStart",h="suspendedYield",f="executing",p="completed",d={};function Generator(){}function GeneratorFunction(){}function GeneratorFunctionPrototype(){}var m={};m[o]=function(){return this};var v=Object.getPrototypeOf,x=v&&v(v(values([])));x&&x!==n&&r.call(x,o)&&(m=x);var y=GeneratorFunctionPrototype.prototype=Generator.prototype=Object.create(m);function defineIteratorMethods(t){["next","throw","return"].forEach((function(e){define(t,e,(function(t){return this._invoke(e,t)}))}))}function AsyncIterator(t,e){var n;this._invoke=function enqueue(i,o){function callInvokeWithMethodAndArg(){return new e((function(n,s){!function invoke(n,i,o,s){var u=tryCatch(t[n],t,i);if("throw"!==u.type){var l=u.arg,h=l.value;return h&&"object"===_typeof(h)&&r.call(h,"__await")?e.resolve(h.__await).then((function(t){invoke("next",t,o,s)}),(function(t){invoke("throw",t,o,s)})):e.resolve(h).then((function(t){l.value=t,o(l)}),(function(t){return invoke("throw",t,o,s)}))}s(u.arg)}(i,o,n,s)}))}return n=n?n.then(callInvokeWithMethodAndArg,callInvokeWithMethodAndArg):callInvokeWithMethodAndArg()}}function maybeInvokeDelegate(t,n){var r=t.iterator[n.method];if(r===e){if(n.delegate=null,"throw"===n.method){if(t.iterator.return&&(n.method="return",n.arg=e,maybeInvokeDelegate(t,n),"throw"===n.method))return d;n.method="throw",n.arg=new TypeError("The iterator does not provide a 'throw' method")}return d}var i=tryCatch(r,t.iterator,n.arg);if("throw"===i.type)return n.method="throw",n.arg=i.arg,n.delegate=null,d;var o=i.arg;return o?o.done?(n[t.resultName]=o.value,n.next=t.nextLoc,"return"!==n.method&&(n.method="next",n.arg=e),n.delegate=null,d):o:(n.method="throw",n.arg=new TypeError("iterator result is not an object"),n.delegate=null,d)}function pushTryEntry(t){var e={tryLoc:t[0]};1 in t&&(e.catchLoc=t[1]),2 in t&&(e.finallyLoc=t[2],e.afterLoc=t[3]),this.tryEntries.push(e)}function resetTryEntry(t){var e=t.completion||{};e.type="normal",delete e.arg,t.completion=e}function Context(t){this.tryEntries=[{tryLoc:"root"}],t.forEach(pushTryEntry,this),this.reset(!0)}function values(t){if(t){var n=t[o];if(n)return n.call(t);if("function"==typeof t.next)return t;if(!isNaN(t.length)){var i=-1,s=function next(){for(;++i<t.length;)if(r.call(t,i))return next.value=t[i],next.done=!1,next;return next.value=e,next.done=!0,next};return s.next=s}}return{next:doneResult}}function doneResult(){return{value:e,done:!0}}return GeneratorFunction.prototype=y.constructor=GeneratorFunctionPrototype,GeneratorFunctionPrototype.constructor=GeneratorFunction,GeneratorFunction.displayName=define(GeneratorFunctionPrototype,u,"GeneratorFunction"),t.isGeneratorFunction=function(t){var e="function"==typeof t&&t.constructor;return!!e&&(e===GeneratorFunction||"GeneratorFunction"===(e.displayName||e.name))},t.mark=function(t){return Object.setPrototypeOf?Object.setPrototypeOf(t,GeneratorFunctionPrototype):(t.__proto__=GeneratorFunctionPrototype,define(t,u,"GeneratorFunction")),t.prototype=Object.create(y),t},t.awrap=function(t){return{__await:t}},defineIteratorMethods(AsyncIterator.prototype),AsyncIterator.prototype[s]=function(){return this},t.AsyncIterator=AsyncIterator,t.async=function(e,n,r,i,o){void 0===o&&(o=Promise);var s=new AsyncIterator(wrap(e,n,r,i),o);return t.isGeneratorFunction(n)?s:s.next().then((function(t){return t.done?t.value:s.next()}))},defineIteratorMethods(y),define(y,u,"Generator"),y[o]=function(){return this},y.toString=function(){return"[object Generator]"},t.keys=function(t){var e=[];for(var n in t)e.push(n);return e.reverse(),function next(){for(;e.length;){var n=e.pop();if(n in t)return next.value=n,next.done=!1,next}return next.done=!0,next}},t.values=values,Context.prototype={constructor:Context,reset:function reset(t){if(this.prev=0,this.next=0,this.sent=this._sent=e,this.done=!1,this.delegate=null,this.method="next",this.arg=e,this.tryEntries.forEach(resetTryEntry),!t)for(var n in this)"t"===n.charAt(0)&&r.call(this,n)&&!isNaN(+n.slice(1))&&(this[n]=e)},stop:function stop(){this.done=!0;var t=this.tryEntries[0].completion;if("throw"===t.type)throw t.arg;return this.rval},dispatchException:function dispatchException(t){if(this.done)throw t;var n=this;function handle(r,i){return s.type="throw",s.arg=t,n.next=r,i&&(n.method="next",n.arg=e),!!i}for(var i=this.tryEntries.length-1;i>=0;--i){var o=this.tryEntries[i],s=o.completion;if("root"===o.tryLoc)return handle("end");if(o.tryLoc<=this.prev){var u=r.call(o,"catchLoc"),l=r.call(o,"finallyLoc");if(u&&l){if(this.prev<o.catchLoc)return handle(o.catchLoc,!0);if(this.prev<o.finallyLoc)return handle(o.finallyLoc)}else if(u){if(this.prev<o.catchLoc)return handle(o.catchLoc,!0)}else{if(!l)throw new Error("try statement without catch or finally");if(this.prev<o.finallyLoc)return handle(o.finallyLoc)}}}},abrupt:function abrupt(t,e){for(var n=this.tryEntries.length-1;n>=0;--n){var i=this.tryEntries[n];if(i.tryLoc<=this.prev&&r.call(i,"finallyLoc")&&this.prev<i.finallyLoc){var o=i;break}}o&&("break"===t||"continue"===t)&&o.tryLoc<=e&&e<=o.finallyLoc&&(o=null);var s=o?o.completion:{};return s.type=t,s.arg=e,o?(this.method="next",this.next=o.finallyLoc,d):this.complete(s)},complete:function complete(t,e){if("throw"===t.type)throw t.arg;return"break"===t.type||"continue"===t.type?this.next=t.arg:"return"===t.type?(this.rval=this.arg=t.arg,this.method="return",this.next="end"):"normal"===t.type&&e&&(this.next=e),d},finish:function finish(t){for(var e=this.tryEntries.length-1;e>=0;--e){var n=this.tryEntries[e];if(n.finallyLoc===t)return this.complete(n.completion,n.afterLoc),resetTryEntry(n),d}},catch:function _catch(t){for(var e=this.tryEntries.length-1;e>=0;--e){var n=this.tryEntries[e];if(n.tryLoc===t){var r=n.completion;if("throw"===r.type){var i=r.arg;resetTryEntry(n)}return i}}throw new Error("illegal catch attempt")},delegateYield:function delegateYield(t,n,r){return this.delegate={iterator:values(t),resultName:n,nextLoc:r},"next"===this.method&&(this.arg=e),d}},t}(t.exports);try{regeneratorRuntime=e}catch(t){Function("r","regeneratorRuntime = r")(e)}}));function __variableDynamicImportRuntime0__(t){switch(t){case"./locale/en.js":return Promise.resolve().then((function(){return mi}));case"./locale/zh-CN.js":return Promise.resolve().then((function(){return vi}));default:return Promise.reject(new Error("Unknown variable dynamic import: "+t))}}
/**
			 * @file ext-mathjax.js
			 *
			 * @license MIT
			 *
			 * @copyright 2013 Jo Segaert
			 *
			 */t("default",{name:"mathjax",init:function init(t){var e=this;return _asyncToGenerator(regeneratorRuntime.mark((function _callee2(){var n,r,i,o,s,u,l,h,f,p,d,m;return regeneratorRuntime.wrap((function _callee2$(v){for(;;)switch(v.prev=v.next){case 0:return d=function _saveMath(){var t=n("#mathjax_code_textarea").val();MathJax.Hub.queue.Push(["Text",l,"\\displaystyle{"+t+"}"]),MathJax.Hub.queue.Push((function(){var t=n(".MathJax_SVG"),e=n(t.html());e.find("use").each((function(){var t=n(this).attr("href")?n(this).attr("href").slice(1):n(this).attr("xlink:href").slice(1),e=n("#"+t).clone().removeAttr("id"),r=n(this).attr("x"),i=n(this).attr("y"),o=n(this).attr("transform");o&&(r||i)?e.attr("transform",o+" translate("+r+","+i+")"):o?e.attr("transform",o):(r||i)&&e.attr("transform","translate("+r+","+i+")"),n(this).replaceWith(e)})),e.removeAttr("style"),e.attr("xmlns","http://www.w3.org/2000/svg"),s.importSvgString(n("<div>").append(e.clone()).html(),!0),s.ungroupSelectedElement(),s.moveSelectedElements(h,f,!0)}))},n=t.$,r=e,v.next=5,__variableDynamicImportRuntime0__("./locale/".concat(r.curPrefs.lang,".js"));case 5:return i=v.sent,o=i.default,s=r.canvas,u=r.uiStrings,p=!1,n.extend(u,{mathjax:{embed_svg:"Save as mathematics",embed_mathml:"Save as figure",svg_save_warning:"The math will be transformed into a figure is manipulatable like everything else. You will not be able to manipulate the TeX-code anymore.",mathml_save_warning:"Advised. The math will be saved as a figure.",title:"Mathematics code editor"}}),m=[{id:"tool_mathjax",type:"mode",icon:"mathjax.png",events:{click:function click(){return _asyncToGenerator(regeneratorRuntime.mark((function _callee(){return regeneratorRuntime.wrap((function _callee$(t){for(;;)switch(t.prev=t.next){case 0:if(s.setMode("mathjax"),!1!==p){t.next=17;break}return n('<div id="mathjax">\x3c!-- Here is where MathJax creates the math --\x3e<div id="mathjax_creator" class="tex2jax_process" style="display:none">$${}$$</div><div id="mathjax_overlay"></div><div id="mathjax_container"><div id="tool_mathjax_back" class="toolbar_button"><button id="tool_mathjax_save">OK</button><button id="tool_mathjax_cancel">Cancel</button></div><fieldset><legend id="mathjax_legend">Mathematics Editor</legend><label><span id="mathjax_explication">Please type your mathematics in <a href="https://en.wikipedia.org/wiki/Help:Displaying_a_formula" target="_blank">TeX</a> code.</span></label><textarea id="mathjax_code_textarea" spellcheck="false"></textarea></fieldset></div></div>').insertAfter("#svg_prefs").hide(),n("#mathjax_container").draggable({cancel:"button,fieldset",containment:"window"}),n("#tool_mathjax_cancel").prepend(n.getSvgIcon("cancel",!0)).on("click touched",(function(){n("#mathjax").hide()})),n("#tool_mathjax_save").prepend(n.getSvgIcon("ok",!0)).on("click touched",(function(){d(),n("#mathjax").hide()})),n("body").addClass("tex2jax_ignore"),t.prev=7,t.next=10,Promise.resolve().then((function(){return No}));case 10:MathJax.Hub.queue.Push((function(){l=MathJax.Hub.getAllJax("#mathjax_creator")[0],console.log(l),p=!0,console.log("MathJax Loaded")})),t.next=17;break;case 13:t.prev=13,t.t0=t.catch(7),console.log("Failed loading MathJax."),n.alert("Failed loading MathJax. You will not be able to change the mathematics.");case 17:case"end":return t.stop()}}),_callee,null,[[7,13]])})))()}}}],v.abrupt("return",{name:o.name,svgicons:"mathjax-icons.xml",buttons:o.buttons.map((function(t,e){return Object.assign(m[e],t)})),mouseDown:function mouseDown(){if("mathjax"===s.getMode())return{started:!0}},mouseUp:function mouseUp(t){if("mathjax"===s.getMode()){var e=s.getZoom();return h=t.mouse_x/e,f=t.mouse_y/e,n("#mathjax").show(),{started:!1}}},callback:function callback(){n("<style>").text("#mathjax fieldset{padding: 5px;margin: 5px;border: 1px solid #DDD;}#mathjax label{display: block;margin: .5em;}#mathjax legend {max-width:195px;}#mathjax_overlay {position: absolute;top: 0;left: 0;right: 0;bottom: 0;background-color: black;opacity: 0.6;z-index: 20000;}#mathjax_container {position: absolute;top: 50px;padding: 10px;background-color: #B0B0B0;border: 1px outset #777;opacity: 1.0;font-family: Verdana, Helvetica, sans-serif;font-size: .8em;z-index: 20001;}#tool_mathjax_back {margin-left: 1em;overflow: auto;}#mathjax_legend{font-weight: bold;font-size:1.1em;}#mathjax_code_textarea {\\nmargin: 5px .7em;overflow: hidden;width: 416px;display: block;height: 100px;}").appendTo("head")}});case 13:case"end":return v.stop()}}),_callee2)})))()}});var mi=Object.freeze({__proto__:null,default:{name:"MathJax",buttons:[{title:"Add Mathematics"}]}}),vi=Object.freeze({__proto__:null,default:{name:"数学",buttons:[{title:"添加数学计算"}]}}),xi=wellKnownSymbol("isConcatSpreadable"),yi=9007199254740991,bi="Maximum allowed index exceeded",Si=Nt>=51||!fails((function(){var t=[];return t[xi]=!1,t.concat()[0]!==t})),Mi=arrayMethodHasSpeciesSupport("concat"),isConcatSpreadable=function(t){if(!isObject(t))return!1;var e=t[xi];return void 0!==e?!!e:pt(t)};_export({target:"Array",proto:!0,forced:!Si||!Mi},{concat:function concat(t){var e,n,r,i,o,s=toObject(this),u=arraySpeciesCreate(s,0),l=0;for(e=-1,r=arguments.length;e<r;e++)if(isConcatSpreadable(o=-1===e?s:arguments[e])){if(l+(i=toLength(o.length))>yi)throw TypeError(bi);for(n=0;n<i;n++,l++)n in o&&createProperty(u,l,o[n])}else{if(l>=yi)throw TypeError(bi);createProperty(u,l++,o)}return u.length=l,u}});var wi=[].join,Ei=h!=Object,Ji=arrayMethodIsStrict("join",",");_export({target:"Array",proto:!0,forced:Ei||!Ji},{join:function join(t){return wi.call(toIndexedObject(this),void 0===t?",":t)}});var Ti=Math.min,Pi=[].lastIndexOf,ki=!!Pi&&1/[1].lastIndexOf(1,-0)<0,Ai=arrayMethodIsStrict("lastIndexOf"),Ci=arrayMethodUsesToLength("indexOf",{ACCESSORS:!0,1:0}),ji=ki||!Ai||!Ci?function lastIndexOf(t){if(ki)return Pi.apply(this,arguments)||0;var e=toIndexedObject(this),n=toLength(e.length),r=n-1;for(arguments.length>1&&(r=Ti(r,toInteger(arguments[1]))),r<0&&(r=n+r);r>=0;r--)if(r in e&&e[r]===t)return r||0;return-1}:Pi;_export({target:"Array",proto:!0,forced:ji!==[].lastIndexOf},{lastIndexOf:ji});var Ii=[],Oi=Ii.sort,_i=fails((function(){Ii.sort(void 0)})),Ri=fails((function(){Ii.sort(null)})),Li=arrayMethodIsStrict("sort");_export({target:"Array",proto:!0,forced:_i||!Ri||!Li},{sort:function sort(t){return void 0===t?Oi.call(toObject(this)):Oi.call(toObject(this),aFunction$1(t))}});var Di=arrayMethodHasSpeciesSupport("splice"),Hi=arrayMethodUsesToLength("splice",{ACCESSORS:!0,0:0,1:2}),Fi=Math.max,Ui=Math.min,Ni=9007199254740991,Bi="Maximum allowed length exceeded";_export({target:"Array",proto:!0,forced:!Di||!Hi},{splice:function splice(t,e){var n,r,i,o,s,u,l=toObject(this),h=toLength(l.length),f=toAbsoluteIndex(t,h),p=arguments.length;if(0===p?n=r=0:1===p?(n=0,r=h-f):(n=p-2,r=Ui(Fi(toInteger(e),0),h-f)),h+n-r>Ni)throw TypeError(Bi);for(i=arraySpeciesCreate(l,r),o=0;o<r;o++)(s=f+o)in l&&createProperty(i,o,l[s]);if(i.length=r,n<r){for(o=f;o<h-r;o++)u=o+n,(s=o+r)in l?l[u]=l[s]:delete l[u];for(o=h;o>h-r+n;o--)delete l[o-1]}else if(n>r)for(o=h-r;o>f;o--)u=o+n-1,(s=o+r-1)in l?l[u]=l[s]:delete l[u];for(o=0;o<n;o++)l[o+f]=arguments[o+2];return l.length=h-r+n,i}});var qi="\t\n\v\f\r                　\u2028\u2029\ufeff",Gi="["+qi+"]",zi=RegExp("^"+Gi+Gi+"*"),$i=RegExp(Gi+Gi+"*$"),createMethod$3=function(t){return function(e){var n=String(requireObjectCoercible(e));return 1&t&&(n=n.replace(zi,"")),2&t&&(n=n.replace($i,"")),n}},Vi={start:createMethod$3(1),end:createMethod$3(2),trim:createMethod$3(3)},Ki=Vi.trim,Qi=n.parseFloat,Wi=1/Qi(qi+"-0")!=-1/0?function parseFloat(t){var e=Ki(String(t)),n=Qi(e);return 0===n&&"-"==e.charAt(0)?-0:n}:Qi;_export({global:!0,forced:parseFloat!=Wi},{parseFloat:Wi});var Xi=Vi.trim,Yi=n.parseInt,Zi=/^[+-]?0[Xx]/,to=8!==Yi(qi+"08")||22!==Yi(qi+"0x16")?function parseInt(t,e){var n=Xi(String(t));return Yi(n,e>>>0||(Zi.test(n)?16:10))}:Yi;_export({global:!0,forced:parseInt!=to},{parseInt:to});var eo=wellKnownSymbol("match"),isRegexp=function(t){var e;return isObject(t)&&(void 0!==(e=t[eo])?!!e:"RegExp"==classofRaw(t))};function RE(t,e){return RegExp(t,e)}var no={UNSUPPORTED_Y:fails((function(){var t=RE("a","y");return t.lastIndex=2,null!=t.exec("abcd")})),BROKEN_CARET:fails((function(){var t=RE("^r","gy");return t.lastIndex=2,null!=t.exec("str")}))},ro=S.f,io=rt.f,oo=$.set,ao=wellKnownSymbol("match"),so=n.RegExp,uo=so.prototype,co=/a/g,lo=/a/g,ho=new so(co)!==co,fo=no.UNSUPPORTED_Y;if(r&&ht("RegExp",!ho||fo||fails((function(){return lo[ao]=!1,so(co)!=co||so(lo)==lo||"/a/i"!=so(co,"i")})))){for(var po=function RegExp(t,e){var n,r=this instanceof po,i=isRegexp(t),o=void 0===e;if(!r&&i&&t.constructor===po&&o)return t;ho?i&&!o&&(t=t.source):t instanceof po&&(o&&(e=regexpFlags.call(t)),t=t.source),fo&&(n=!!e&&e.indexOf("y")>-1)&&(e=e.replace(/y/g,""));var s,u,l,h,f,p=(s=ho?new so(t,e):so(t,e),u=r?this:uo,l=po,Cr&&"function"==typeof(h=u.constructor)&&h!==l&&isObject(f=h.prototype)&&f!==l.prototype&&Cr(s,f),s);return fo&&n&&oo(p,{sticky:n}),p},proxy=function(t){t in po||ro(po,t,{configurable:!0,get:function(){return so[t]},set:function(e){so[t]=e}})},go=io(so),mo=0;go.length>mo;)proxy(go[mo++]);uo.constructor=po,po.prototype=uo,V(n,"RegExp",po)}setSpecies("RegExp");var vo=RegExp.prototype.exec,xo=String.prototype.replace,yo=vo,bo=function(){var t=/a/,e=/b*/g;return vo.call(t,"a"),vo.call(e,"a"),0!==t.lastIndex||0!==e.lastIndex}(),So=no.UNSUPPORTED_Y||no.BROKEN_CARET,Mo=void 0!==/()??/.exec("")[1];(bo||Mo||So)&&(yo=function exec(t){var e,n,r,i,o=this,s=So&&o.sticky,u=regexpFlags.call(o),l=o.source,h=0,f=t;return s&&(-1===(u=u.replace("y","")).indexOf("g")&&(u+="g"),f=String(t).slice(o.lastIndex),o.lastIndex>0&&(!o.multiline||o.multiline&&"\n"!==t[o.lastIndex-1])&&(l="(?: "+l+")",f=" "+f,h++),n=new RegExp("^(?:"+l+")",u)),Mo&&(n=new RegExp("^"+l+"$(?!\\s)",u)),bo&&(e=o.lastIndex),r=vo.call(s?n:o,f),s?r?(r.input=r.input.slice(h),r[0]=r[0].slice(h),r.index=o.lastIndex,o.lastIndex+=r[0].length):o.lastIndex=0:bo&&r&&(o.lastIndex=o.global?r.index+r[0].length:e),Mo&&r&&r.length>1&&xo.call(r[0],n,(function(){for(i=1;i<arguments.length-2;i++)void 0===arguments[i]&&(r[i]=void 0)})),r});var wo=yo;_export({target:"RegExp",proto:!0,forced:/./.exec!==wo},{exec:wo});var Eo=wellKnownSymbol("species"),Jo=!fails((function(){var t=/./;return t.exec=function(){var t=[];return t.groups={a:"7"},t},"7"!=="".replace(t,"$<a>")})),To="$0"==="a".replace(/./,"$0"),Po=wellKnownSymbol("replace"),ko=!!/./[Po]&&""===/./[Po]("a","$0"),Ao=!fails((function(){var t=/(?:)/,e=t.exec;t.exec=function(){return e.apply(this,arguments)};var n="ab".split(t);return 2!==n.length||"a"!==n[0]||"b"!==n[1]})),fixRegexpWellKnownSymbolLogic=function(t,e,n,r){var i=wellKnownSymbol(t),o=!fails((function(){var e={};return e[i]=function(){return 7},7!=""[t](e)})),s=o&&!fails((function(){var e=!1,n=/a/;return"split"===t&&((n={}).constructor={},n.constructor[Eo]=function(){return n},n.flags="",n[i]=/./[i]),n.exec=function(){return e=!0,null},n[i](""),!e}));if(!o||!s||"replace"===t&&(!Jo||!To||ko)||"split"===t&&!Ao){var u=/./[i],l=n(i,""[t],(function(t,e,n,r,i){return e.exec===wo?o&&!i?{done:!0,value:u.call(e,n,r)}:{done:!0,value:t.call(n,e,r)}:{done:!1}}),{REPLACE_KEEPS_$0:To,REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE:ko}),h=l[0],f=l[1];V(String.prototype,t,h),V(RegExp.prototype,i,2==e?function(t,e){return f.call(t,this,e)}:function(t){return f.call(t,this)})}r&&M(RegExp.prototype[i],"sham",!0)},Co=ti.charAt,advanceStringIndex=function(t,e,n){return e+(n?Co(t,e).length:1)},regexpExecAbstract=function(t,e){var n=t.exec;if("function"==typeof n){var r=n.call(t,e);if("object"!=typeof r)throw TypeError("RegExp exec method returned something other than an Object or null");return r}if("RegExp"!==classofRaw(t))throw TypeError("RegExp#exec called on incompatible receiver");return wo.call(t,e)};fixRegexpWellKnownSymbolLogic("match",1,(function(t,e,n){return[function match(e){var n=requireObjectCoercible(this),r=null==e?void 0:e[t];return void 0!==r?r.call(e,n):new RegExp(e)[t](String(n))},function(t){var r=n(e,t,this);if(r.done)return r.value;var i=anObject(t),o=String(this);if(!i.global)return regexpExecAbstract(i,o);var s=i.unicode;i.lastIndex=0;for(var u,l=[],h=0;null!==(u=regexpExecAbstract(i,o));){var f=String(u[0]);l[h]=f,""===f&&(i.lastIndex=advanceStringIndex(o,toLength(i.lastIndex),s)),h++}return 0===h?null:l}]}));var jo=Math.max,Io=Math.min,Oo=Math.floor,_o=/\$([$&'`]|\d\d?|<[^>]*>)/g,Ro=/\$([$&'`]|\d\d?)/g;fixRegexpWellKnownSymbolLogic("replace",2,(function(t,e,n,r){var i=r.REGEXP_REPLACE_SUBSTITUTES_UNDEFINED_CAPTURE,o=r.REPLACE_KEEPS_$0,s=i?"$":"$0";return[function replace(n,r){var i=requireObjectCoercible(this),o=null==n?void 0:n[t];return void 0!==o?o.call(n,i,r):e.call(String(i),n,r)},function(t,r){if(!i&&o||"string"==typeof r&&-1===r.indexOf(s)){var u=n(e,t,this,r);if(u.done)return u.value}var l=anObject(t),h=String(this),f="function"==typeof r;f||(r=String(r));var p=l.global;if(p){var d=l.unicode;l.lastIndex=0}for(var m=[];;){var v=regexpExecAbstract(l,h);if(null===v)break;if(m.push(v),!p)break;""===String(v[0])&&(l.lastIndex=advanceStringIndex(h,toLength(l.lastIndex),d))}for(var x,y="",S=0,M=0;M<m.length;M++){v=m[M];for(var w=String(v[0]),E=jo(Io(toInteger(v.index),h.length),0),J=[],T=1;T<v.length;T++)J.push(void 0===(x=v[T])?x:String(x));var P=v.groups;if(f){var k=[w].concat(J,E,h);void 0!==P&&k.push(P);var A=String(r.apply(void 0,k))}else A=getSubstitution(w,h,E,J,P,r);E>=S&&(y+=h.slice(S,E)+A,S=E+w.length)}return y+h.slice(S)}];function getSubstitution(t,n,r,i,o,s){var u=r+t.length,l=i.length,h=Ro;return void 0!==o&&(o=toObject(o),h=_o),e.call(s,h,(function(e,s){var h;switch(s.charAt(0)){case"$":return"$";case"&":return t;case"`":return n.slice(0,r);case"'":return n.slice(u);case"<":h=o[s.slice(1,-1)];break;default:var f=+s;if(0===f)return e;if(f>l){var p=Oo(f/10);return 0===p?e:p<=l?void 0===i[p-1]?s.charAt(1):i[p-1]+s.charAt(1):e}h=i[f-1]}return void 0===h?"":h}))}}));var Lo=[].push,Do=Math.min,Ho=4294967295,Fo=!fails((function(){return!RegExp(Ho,"y")}));fixRegexpWellKnownSymbolLogic("split",2,(function(t,e,n){var r;return r="c"=="abbc".split(/(b)*/)[1]||4!="test".split(/(?:)/,-1).length||2!="ab".split(/(?:ab)*/).length||4!=".".split(/(.?)(.?)/).length||".".split(/()()/).length>1||"".split(/.?/).length?function(t,n){var r=String(requireObjectCoercible(this)),i=void 0===n?Ho:n>>>0;if(0===i)return[];if(void 0===t)return[r];if(!isRegexp(t))return e.call(r,t,i);for(var o,s,u,l=[],h=(t.ignoreCase?"i":"")+(t.multiline?"m":"")+(t.unicode?"u":"")+(t.sticky?"y":""),f=0,p=new RegExp(t.source,h+"g");(o=wo.call(p,r))&&!((s=p.lastIndex)>f&&(l.push(r.slice(f,o.index)),o.length>1&&o.index<r.length&&Lo.apply(l,o.slice(1)),u=o[0].length,f=s,l.length>=i));)p.lastIndex===o.index&&p.lastIndex++;return f===r.length?!u&&p.test("")||l.push(""):l.push(r.slice(f)),l.length>i?l.slice(0,i):l}:"0".split(void 0,0).length?function(t,n){return void 0===t&&0===n?[]:e.call(this,t,n)}:e,[function split(e,n){var i=requireObjectCoercible(this),o=null==e?void 0:e[t];return void 0!==o?o.call(e,i,n):r.call(String(i),e,n)},function(t,i){var o=n(r,t,this,i,r!==e);if(o.done)return o.value;var s=anObject(t),u=String(this),l=speciesConstructor(s,RegExp),h=s.unicode,f=(s.ignoreCase?"i":"")+(s.multiline?"m":"")+(s.unicode?"u":"")+(Fo?"y":"g"),p=new l(Fo?s:"^(?:"+s.source+")",f),d=void 0===i?Ho:i>>>0;if(0===d)return[];if(0===u.length)return null===regexpExecAbstract(p,u)?[u]:[];for(var m=0,v=0,x=[];v<u.length;){p.lastIndex=Fo?v:0;var y,S=regexpExecAbstract(p,Fo?u:u.slice(v));if(null===S||(y=Do(toLength(p.lastIndex+(Fo?0:v)),u.length))===m)v=advanceStringIndex(u,v,h);else{if(x.push(u.slice(m,v)),x.length===d)return x;for(var M=1;M<=S.length-1;M++)if(x.push(S[M]),x.length===d)return x;v=m=y}}return x.push(u.slice(m)),x}]}),!Fo);var Uo=Vi.trim;_export({target:"String",proto:!0,forced:function(t){return fails((function(){return!!qi[t]()||"​…᠎"!="​…᠎"[t]()||qi[t].name!==t}))}("trim")},{trim:function trim(){return Uo(this)}}),document.getElementById&&document.childNodes&&document.createElement&&(window.MathJax&&MathJax.Hub||(window.MathJax?window.MathJax={AuthorConfig:window.MathJax}:window.MathJax={},MathJax.isPacked=!0,MathJax.version="2.3",MathJax.fileversion="2.3.1",function(t){var e=window[t];e||(e=window[t]={});var n=[],r=function c(t){var e=t.constructor;for(var n in e||(e=new Function("")),t)"constructor"!==n&&t.hasOwnProperty(n)&&(e[n]=t[n]);return e},i=function a(){return new Function("return arguments.callee.Init.call(this,arguments)")},o=i();o.prototype={bug_test:1},o.prototype.bug_test||(i=function a(){return function(){return arguments.callee.Init.call(this,arguments)}}),e.Object=r({constructor:i(),Subclass:function Subclass(t,e){var r=i();return r.SUPER=this,r.Init=this.Init,r.Subclass=this.Subclass,r.Augment=this.Augment,r.protoFunction=this.protoFunction,r.can=this.can,r.has=this.has,r.isa=this.isa,r.prototype=new this(n),r.prototype.constructor=r,r.Augment(t,e),r},Init:function Init(t){var e=this;return 1===t.length&&t[0]===n?e:(e instanceof t.callee||(e=new t.callee(n)),e.Init.apply(e,t)||e)},Augment:function Augment(t,e){var n;if(null!=t){for(n in t)t.hasOwnProperty(n)&&this.protoFunction(n,t[n]);t.toString!==this.prototype.toString&&t.toString!=={}.toString&&this.protoFunction("toString",t.toString)}if(null!=e)for(n in e)e.hasOwnProperty(n)&&(this[n]=e[n]);return this},protoFunction:function protoFunction(t,e){this.prototype[t]=e,"function"==typeof e&&(e.SUPER=this.SUPER.prototype)},prototype:{Init:function Init(){},SUPER:function SUPER(t){return t.callee.SUPER},can:function can(t){return"function"==typeof this[t]},has:function has(t){return void 0!==this[t]},isa:function isa(t){return t instanceof Object&&this instanceof t}},can:function can(t){return this.prototype.can.call(this,t)},has:function has(t){return this.prototype.has.call(this,t)},isa:function isa(t){for(var e=this;e;){if(e===t)return!0;e=e.SUPER}return!1},SimpleSUPER:r({constructor:function constructor(t){return this.SimpleSUPER.define(t)},define:function define(t){var e={};if(null!=t){for(var n in t)t.hasOwnProperty(n)&&(e[n]=this.wrap(n,t[n]));t.toString!==this.prototype.toString&&t.toString!=={}.toString&&(e.toString=this.wrap("toString",t.toString))}return e},wrap:function wrap(t,e){if("function"==typeof e&&e.toString().match(/\.\s*SUPER\s*\(/)){var n=new Function(this.wrapper);n.label=t,n.original=e,e=n,n.toString=this.stringify}return e},wrapper:function(){var t=arguments.callee;this.SUPER=t.SUPER[t.label];try{var e=t.original.apply(this,arguments)}catch(t){throw delete this.SUPER,t}return delete this.SUPER,e}.toString().replace(/^\s*function\s*\(\)\s*\{\s*/i,"").replace(/\s*\}\s*$/i,""),toString:function toString(){return this.original.toString.apply(this.original,arguments)}})})}("MathJax"),function(t){var e=window.MathJax;e||(e=window.MathJax={});var n=function CALLBACK(t){var e=new Function("return arguments.callee.execute.apply(arguments.callee,arguments)");for(var n in CALLBACK.prototype)CALLBACK.prototype.hasOwnProperty(n)&&(void 0!==t[n]?e[n]=t[n]:e[n]=CALLBACK.prototype[n]);return e.toString=CALLBACK.prototype.toString,e};n.prototype={isCallback:!0,hook:function hook(){},data:[],object:window,execute:function execute(){if(!this.called||this.autoReset)return this.called=!this.autoReset,this.hook.apply(this.object,this.data.concat([].slice.call(arguments,0)))},reset:function reset(){delete this.called},toString:function toString(){return this.hook.toString.apply(this.hook,arguments)}};var r=function ISCALLBACK(t){return"function"==typeof t&&t.isCallback},i=function EVAL(t){return eval.call(window,t)};if(i("var __TeSt_VaR__ = 1"),window.__TeSt_VaR__)try{delete window.__TeSt_VaR__}catch(t){window.__TeSt_VaR__=null}else i=window.execScript?function EVAL(t){e.__code=t,t="try {MathJax.__result = eval(MathJax.__code)} catch(err) {MathJax.__result = err}",window.execScript(t);var n=e.__result;if(delete e.__result,delete e.__code,n instanceof Error)throw n;return n}:function EVAL(t){e.__code=t,t="try {MathJax.__result = eval(MathJax.__code)} catch(err) {MathJax.__result = err}";var n=document.getElementsByTagName("head")[0];n||(n=document.body);var r=document.createElement("script");r.appendChild(document.createTextNode(t)),n.appendChild(r),n.removeChild(r);var i=e.__result;if(delete e.__result,delete e.__code,i instanceof Error)throw i;return i};var o=function USING(t,e){if(arguments.length>1&&(t=2===arguments.length&&"function"!=typeof arguments[0]&&arguments[0]instanceof Object&&"number"==typeof arguments[1]?[].slice.call(t,e):[].slice.call(arguments,0)),t instanceof Array&&1===t.length&&(t=t[0]),"function"==typeof t)return t.execute===n.prototype.execute?t:n({hook:t});if(t instanceof Array){if("string"==typeof t[0]&&t[1]instanceof Object&&"function"==typeof t[1][t[0]])return n({hook:t[1][t[0]],object:t[1],data:t.slice(2)});if("function"==typeof t[0])return n({hook:t[0],data:t.slice(1)});if("function"==typeof t[1])return n({hook:t[1],object:t[0],data:t.slice(2)})}else{if("string"==typeof t)return n({hook:i,data:[t]});if(t instanceof Object)return n(t);if(void 0===t)return n({})}throw Error("Can't make callback from given data")},s=function WAITFOR(t,e){(t=o(t)).called||(l(t,e),e.pending++)},u=function WAITEXECUTE(){var t=this.signal;delete this.signal,this.execute=this.oldExecute,delete this.oldExecute;var e=this.execute.apply(this,arguments);if(r(e)&&!e.called)l(e,t);else for(var n=0,i=t.length;n<i;n++)t[n].pending--,t[n].pending<=0&&t[n].call()},l=function WAITSIGNAL(t,e){e instanceof Array||(e=[e]),t.signal?1===e.length?t.signal.push(e[0]):t.signal=t.signal.concat(e):(t.oldExecute=t.execute,t.execute=u,t.signal=e)},h=function AFTER(t){(t=o(t)).pending=0;for(var e=1,n=arguments.length;e<n;e++)arguments[e]&&s(arguments[e],t);if(0===t.pending){var i=t();r(i)&&(t=i)}return t},f=MathJax.Object.Subclass({Init:function Init(t){this.hooks=[],this.reset=t},Add:function Add(t,e){null==e&&(e=10),r(t)||(t=o(t)),t.priority=e;for(var n=this.hooks.length;n>0&&e<this.hooks[n-1].priority;)n--;return this.hooks.splice(n,0,t),t},Remove:function Remove(t){for(var e=0,n=this.hooks.length;e<n;e++)if(this.hooks[e]===t)return void this.hooks.splice(e,1)},Execute:function Execute(){for(var t=[{}],e=0,n=this.hooks.length;e<n;e++){this.reset&&this.hooks[e].reset();var i=this.hooks[e].apply(window,arguments);r(i)&&!i.called&&t.push(i)}return 1===t.length?null:2===t.length?t[1]:h.apply({},t)}}),p=e.Object.Subclass({Init:function Init(){this.pending=0,this.running=0,this.queue=[],this.Push.apply(this,arguments)},Push:function Push(){for(var t,e=0,n=arguments.length;e<n;e++)(t=o(arguments[e]))!==arguments[e]||t.called||(t=o(["wait",this,t])),this.queue.push(t);return this.running||this.pending||this.Process(),t},Process:function Process(t){for(;!this.running&&!this.pending&&this.queue.length;){var e=this.queue[0];t=this.queue.slice(1),this.queue=[],this.Suspend();var n=e();this.Resume(),t.length&&(this.queue=t.concat(this.queue)),r(n)&&!n.called&&s(n,this)}},Suspend:function Suspend(){this.running++},Resume:function Resume(){this.running&&this.running--},call:function call(){this.Process.apply(this,arguments)},wait:function wait(t){return t}}),d=p.Subclass({Init:function Init(t){p.prototype.Init.call(this),this.name=t,this.posted=[],this.listeners=f(!0)},Post:function Post(t,e,n){if(e=o(e),this.posting||this.pending)this.Push(["Post",this,t,e,n]);else{this.callback=e,e.reset(),n||this.posted.push(t),this.Suspend(),this.posting=!0;var i=this.listeners.Execute(t);r(i)&&!i.called&&s(i,this),this.Resume(),delete this.posting,this.pending||this.call()}return e},Clear:function Clear(t){return t=o(t),this.posting||this.pending?t=this.Push(["Clear",this,t]):(this.posted=[],t()),t},call:function call(){this.callback(this),this.Process()},Interest:function Interest(t,e,n){if(t=o(t),this.listeners.Add(t,n),!e)for(var i=0,u=this.posted.length;i<u;i++){t.reset();var l=t(this.posted[i]);r(l)&&i===this.posted.length-1&&s(l,this)}return t},NoInterest:function NoInterest(t){this.listeners.Remove(t)},MessageHook:function MessageHook(t,e,n){e=o(e),this.hooks||(this.hooks={},this.Interest(["ExecuteHooks",this])),this.hooks[t]||(this.hooks[t]=f(!0)),this.hooks[t].Add(e,n);for(var r=0,i=this.posted.length;r<i;r++)this.posted[r]==t&&(e.reset(),e(this.posted[r]));return e},ExecuteHooks:function ExecuteHooks(t,e){var n=t instanceof Array?t[0]:t;return this.hooks[n]?this.hooks[n].Execute(t):null}},{signals:{},find:function find(t){return d.signals[t]||(d.signals[t]=new d(t)),d.signals[t]}});e.Callback=e.CallBack=o,e.Callback.Delay=function DELAY(t,e){return(e=o(e)).timeout=setTimeout(e,t),e},e.Callback.After=h,e.Callback.Queue=p,e.Callback.Signal=d.find,e.Callback.Hooks=f,e.Callback.ExecuteHooks=function EXECUTEHOOKS(t,e,n){if(!t)return null;t instanceof Array||(t=[t]),e instanceof Array||(e=null==e?[]:[e]);for(var r=f(n),i=0,o=t.length;i<o;i++)r.Add(t[i]);return r.Execute.apply(r,e)}}(),function(t){var e=window[t];e||(e=window[t]={});var n="Apple Computer, Inc."===navigator.vendor&&void 0===navigator.vendorSub,r=0,i=function g(t){return document.styleSheets&&document.styleSheets.length>r&&(r=document.styleSheets.length),t||(t=document.getElementsByTagName("head")[0])||(t=document.body),t},o=[],s=function b(){for(var t=0,n=o.length;t<n;t++)e.Ajax.head.removeChild(o[t]);o=[]};e.Ajax={loaded:{},loading:{},loadHooks:{},timeout:15e3,styleDelay:1,config:{root:""},STATUS:{OK:1,ERROR:-1},rootPattern:new RegExp("^\\["+t+"\\]"),fileURL:function fileURL(t){return t.replace(this.rootPattern,this.config.root)},Require:function Require(t,n){var r;if(n=e.Callback(n),t instanceof Object)for(var i in t)t.hasOwnProperty(i)&&(r=i.toUpperCase(),t=t[i]);else r=t.split(/\./).pop().toUpperCase();if(t=this.fileURL(t),this.loaded[t])n(this.loaded[t]);else{var o={};o[r]=t,this.Load(o,n)}return n},Load:function Load(t,n){var r;if(n=e.Callback(n),t instanceof Object)for(var o in t)t.hasOwnProperty(o)&&(r=o.toUpperCase(),t=t[o]);else r=t.split(/\./).pop().toUpperCase();if(t=this.fileURL(t),this.loading[t])this.addHook(t,n);else{if(this.head=i(this.head),!this.loader[r])throw Error("Can't load files of type "+r);this.loader[r].call(this,t,n)}return n},LoadHook:function LoadHook(t,n,r){if(n=e.Callback(n),t instanceof Object)for(var i in t)t.hasOwnProperty(i)&&(t=t[i]);return t=this.fileURL(t),this.loaded[t]?n(this.loaded[t]):this.addHook(t,n,r),n},addHook:function addHook(t,e,n){this.loadHooks[t]||(this.loadHooks[t]=MathJax.Callback.Hooks()),this.loadHooks[t].Add(e,n)},Preloading:function Preloading(){for(var t=0,e=arguments.length;t<e;t++){var n=this.fileURL(arguments[t]);this.loading[n]||(this.loading[n]={preloaded:!0})}},loader:{JS:function JS(t,n){var r=document.createElement("script"),i=e.Callback(["loadTimeout",this,t]);this.loading[t]={callback:n,timeout:setTimeout(i,this.timeout),status:this.STATUS.OK,script:r},this.loading[t].message=e.Message.File(t),r.onerror=i,r.type="text/javascript",r.src=t,this.head.appendChild(r)},CSS:function CSS(t,n){var r=document.createElement("link");r.rel="stylesheet",r.type="text/css",r.href=t,this.loading[t]={callback:n,message:e.Message.File(t),status:this.STATUS.OK},this.head.appendChild(r),this.timer.create.call(this,[this.timer.file,t],r)}},timer:{create:function create(t,i){return t=e.Callback(t),"STYLE"===i.nodeName&&i.styleSheet&&void 0!==i.styleSheet.cssText||window.chrome&&"LINK"===i.nodeName?t(this.STATUS.OK):n?this.timer.start(this,[this.timer.checkSafari2,r++,t],this.styleDelay):this.timer.start(this,[this.timer.checkLength,i,t],this.styleDelay),t},start:function start(t,n,r,i){(n=e.Callback(n)).execute=this.execute,n.time=this.time,n.STATUS=t.STATUS,n.timeout=i||t.timeout,n.delay=n.total=r||0,r?setTimeout(n,r):n()},time:function time(t){return this.total+=this.delay,this.delay=Math.floor(1.05*this.delay+5),this.total>=this.timeout?(t(this.STATUS.ERROR),1):0},file:function file(t,n){n<0?e.Ajax.loadTimeout(t):e.Ajax.loadComplete(t)},execute:function execute(){this.hook.call(this.object,this,this.data[0],this.data[1])},checkSafari2:function checkSafari2(t,e,n){t.time(n)||(document.styleSheets.length>e&&document.styleSheets[e].cssRules&&document.styleSheets[e].cssRules.length?n(t.STATUS.OK):setTimeout(t,t.delay))},checkLength:function checkLength(t,n,r){if(!t.time(r)){var i=0,o=n.sheet||n.styleSheet;try{(o.cssRules||o.rules||[]).length>0&&(i=1)}catch(t){(t.message.match(/protected variable|restricted URI/)||t.message.match(/Security error/))&&(i=1)}i?setTimeout(e.Callback([r,t.STATUS.OK]),0):setTimeout(t,t.delay)}}},loadComplete:function loadComplete(t){t=this.fileURL(t);var n=this.loading[t];return n&&!n.preloaded?(e.Message.Clear(n.message),clearTimeout(n.timeout),n.script&&(0===o.length&&setTimeout(s,0),o.push(n.script)),this.loaded[t]=n.status,delete this.loading[t],this.addHook(t,n.callback)):(n&&delete this.loading[t],this.loaded[t]=this.STATUS.OK,n={status:this.STATUS.OK}),this.loadHooks[t]?this.loadHooks[t].Execute(n.status):null},loadTimeout:function loadTimeout(t){this.loading[t].timeout&&clearTimeout(this.loading[t].timeout),this.loading[t].status=this.STATUS.ERROR,this.loadError(t),this.loadComplete(t)},loadError:function loadError(t){e.Message.Set(["LoadFailed","File failed to load: %1",t],null,2e3),e.Hub.signal.Post(["file load error",t])},Styles:function Styles(t,n){var r=this.StyleString(t);if(""===r)(n=e.Callback(n))();else{var o=document.createElement("style");o.type="text/css",this.head=i(this.head),this.head.appendChild(o),o.styleSheet&&void 0!==o.styleSheet.cssText?o.styleSheet.cssText=r:o.appendChild(document.createTextNode(r)),n=this.timer.create.call(this,n,o)}return n},StyleString:function StyleString(t){if("string"==typeof t)return t;var e,n,r="";for(e in t)if(t.hasOwnProperty(e))if("string"==typeof t[e])r+=e+" {"+t[e]+"}\n";else if(t[e]instanceof Array)for(var i=0;i<t[e].length;i++)(n={})[e]=t[e][i],r+=this.StyleString(n);else if("@media"===e.substr(0,6))r+=e+" {"+this.StyleString(t[e])+"}\n";else if(null!=t[e]){for(var o in n=[],t[e])t[e].hasOwnProperty(o)&&null!=t[e][o]&&(n[n.length]=o+": "+t[e][o]);r+=e+" {"+n.join("; ")+"}\n"}return r}}}("MathJax"),MathJax.HTML={Element:function Element(t,e,n){var r=document.createElement(t);if(e){if(e.style){var i=e.style;for(var o in e.style={},i)i.hasOwnProperty(o)&&(e.style[o.replace(/-([a-z])/g,this.ucMatch)]=i[o])}MathJax.Hub.Insert(r,e)}if(n){n instanceof Array||(n=[n]);for(var s=0;s<n.length;s++)n[s]instanceof Array?r.appendChild(this.Element(n[s][0],n[s][1],n[s][2])):"script"===t?this.setScript(r,n[s]):r.appendChild(document.createTextNode(n[s]))}return r},ucMatch:function ucMatch(t,e){return e.toUpperCase()},addElement:function addElement(t,e,n,r){return t.appendChild(this.Element(e,n,r))},TextNode:function TextNode(t){return document.createTextNode(t)},addText:function addText(t,e){return t.appendChild(this.TextNode(e))},setScript:function setScript(t,e){if(this.setScriptBug)t.text=e;else{for(;t.firstChild;)t.removeChild(t.firstChild);this.addText(t,e)}},getScript:function getScript(t){return(""===t.text?t.innerHTML:t.text).replace(/^\s+/,"").replace(/\s+$/,"")},Cookie:{prefix:"mjx",expires:365,Set:function Set(t,e){var n=[];if(e)for(var r in e)e.hasOwnProperty(r)&&n.push(r+":"+e[r].toString().replace(/&/g,"&&"));var i=this.prefix+"."+t+"="+escape(n.join("&;"));if(this.expires){var o=new Date;o.setDate(o.getDate()+this.expires),i+="; expires="+o.toGMTString()}try{document.cookie=i+"; path=/"}catch(t){}},Get:function Get(t,e){e||(e={});var n=new RegExp("(?:^|;\\s*)"+this.prefix+"\\."+t+"=([^;]*)(?:;|$)").exec(document.cookie);if(n&&""!==n[1])for(var r=unescape(n[1]).split("&;"),i=0,o=r.length;i<o;i++){var s=(n=r[i].match(/([^:]+):(.*)/))[2].replace(/&&/g,"&");"true"===s?s=!0:"false"===s?s=!1:s.match(/^-?(\d+(\.\d+)?|\.\d+)$/)&&(s=parseFloat(s)),e[n[1]]=s}return e}}},MathJax.Localization={locale:"en",directory:"[MathJax]/localization",strings:{br:{menuTitle:"brezhoneg"},cdo:{menuTitle:"Mìng-dĕ̤ng-ngṳ̄"},cs:{menuTitle:"česky"},da:{menuTitle:"dansk"},de:{menuTitle:"Deutsch"},en:{menuTitle:"English",isLoaded:!0},eo:{menuTitle:"Esperanto"},es:{menuTitle:"español"},fa:{menuTitle:"فارسی"},fi:{menuTitle:"suomi"},fr:{menuTitle:"français"},gl:{menuTitle:"galego"},he:{menuTitle:"עברית"},ia:{menuTitle:"interlingua"},it:{menuTitle:"italiano"},ja:{menuTitle:"日本語"},ko:{menuTitle:"한국어"},lb:{menuTitle:"Lëtzebuergesch"},mk:{menuTitle:"македонски"},nl:{menuTitle:"Nederlands"},oc:{menuTitle:"occitan"},pl:{menuTitle:"polski"},"pt-br":{menuTitle:"português do Brasil"},pt:{menuTitle:"portugusê"},ru:{menuTitle:"русский"},sl:{menuTitle:"slovenščina"},sv:{menuTitle:"svenska"},tr:{menuTitle:"Türkçe"},uk:{menuTitle:"українська"},"zh-hans":{menuTitle:"中文（简体）"}},pattern:/%(\d+|\{\d+\}|\{[a-z]+:\%\d+(?:\|(?:%\{\d+\}|%.|[^\}])*)+\}|.)/g,SPLIT:3==="axb".split(/(x)/).length?function(t,e){return t.split(e)}:function(t,e){var n,r=[],i=0;for(e.lastIndex=0;n=e.exec(t);)r.push(t.substr(i,n.index)),r.push.apply(r,n.slice(1)),i=n.index+n[0].length;return r.push(t.substr(i)),r},_:function _(t,e){return e instanceof Array?this.processSnippet(t,e):this.processString(this.lookupPhrase(t,e),[].slice.call(arguments,2))},processString:function processString(t,e,n){var r,i;for(r=0,i=e.length;r<i;r++)n&&e[r]instanceof Array&&(e[r]=this.processSnippet(n,e[r]));var o=this.SPLIT(t,this.pattern);for(r=1,i=o.length;r<i;r+=2){var s=o[r].charAt(0);if(s>="0"&&s<="9")o[r]=e[o[r]-1],"number"==typeof o[r]&&(o[r]=this.number(o[r]));else if("{"===s)if((s=o[r].substr(1))>="0"&&s<="9")o[r]=e[o[r].substr(1,o[r].length-2)-1],"number"==typeof o[r]&&(o[r]=this.number(o[r]));else{var u=o[r].match(/^\{([a-z]+):%(\d+)\|(.*)\}$/);if(u)if("plural"===u[1]){var l=e[u[2]-1];if(void 0===l)o[r]="???";else{l=this.plural(l)-1;var h=u[3].replace(/(^|[^%])(%%)*%\|/g,"$1$2%").split(/\|/);l>=0&&l<h.length?o[r]=this.processString(h[l].replace(/\uEFEF/g,"|"),e,n):o[r]="???"}}else o[r]="%"+o[r]}null==o[r]&&(o[r]="???")}if(!n)return o.join("");var f=[],p="";for(r=0;r<i;r++)p+=o[r],++r<i&&(o[r]instanceof Array?(f.push(p),f=f.concat(o[r]),p=""):p+=o[r]);return""!==p&&f.push(p),f},processSnippet:function processSnippet(t,e){for(var n=[],r=0,i=e.length;r<i;r++)if(e[r]instanceof Array){var o=e[r];if("string"==typeof o[1]){var s=o[0];s instanceof Array||(s=[t,s]);var u=this.lookupPhrase(s,o[1]);n=n.concat(this.processMarkdown(u,o.slice(2),t))}else o[1]instanceof Array?n=n.concat(this.processSnippet.apply(this,o)):o.length>=3?n.push([o[0],o[1],this.processSnippet(t,o[2])]):n.push(e[r])}else n.push(e[r]);return n},markdownPattern:/(%.)|(\*{1,3})((?:%.|.)+?)\2|(`+)((?:%.|.)+?)\4|\[((?:%.|.)+?)\]\(([^\s\)]+)\)/,processMarkdown:function processMarkdown(t,e,n){for(var r,i=[],o=t.split(this.markdownPattern),s=o[0],u=1,l=o.length;u<l;u+=8)o[u+1]?((r=this.processString(o[u+2],e,n))instanceof Array||(r=[r]),r=[["b","i","i"][o[u+1].length-1],{},r],3===o[u+1].length&&(r=["b",{},r])):o[u+3]?((r=this.processString(o[u+4].replace(/^\s/,"").replace(/\s$/,""),e,n))instanceof Array||(r=[r]),r=["code",{},r]):o[u+5]?((r=this.processString(o[u+5],e,n))instanceof Array||(r=[r]),r=["a",{href:this.processString(o[u+6],e),target:"_blank"},r]):(s+=o[u],r=null),r&&((i=this.concatString(i,s,e,n)).push(r),s=""),""!==o[u+7]&&(s+=o[u+7]);return i=this.concatString(i,s,e,n)},concatString:function concatString(t,e,n,r){return""!=e&&((e=this.processString(e,n,r))instanceof Array||(e=[e]),t=t.concat(e)),t},lookupPhrase:function lookupPhrase(t,e,n){n||(n="_"),t instanceof Array&&(n=t[0]||"_",t=t[1]||"");var r=this.loadDomain(n);r&&MathJax.Hub.RestartAfter(r);var i=this.strings[this.locale];if(i&&i.domains&&n in i.domains){var o=i.domains[n];o.strings&&t in o.strings&&(e=o.strings[t])}return e},loadFile:function loadFile(t,e,n){(n=MathJax.Callback(n||{}),(t=e.file||t).match(/\.js$/)||(t+=".js"),t.match(/^([a-z]+:|\[MathJax\])/))||(t=(this.strings[this.locale].directory||this.directory+"/"+this.locale||"[MathJax]/localization/"+this.locale)+"/"+t);var r=MathJax.Ajax.Require(t,(function(){return e.isLoaded=!0,n()}));return r.called?null:r},loadDomain:function loadDomain(t,e){var n,r=this.strings[this.locale];if(r){if(!r.isLoaded&&(n=this.loadFile(this.locale,r)))return MathJax.Callback.Queue(n,["loadDomain",this,t]).Push(e);if(r.domains&&t in r.domains){var i=r.domains[t];if(!i.isLoaded&&(n=this.loadFile(t,i)))return MathJax.Callback.Queue(n).Push(e)}}return MathJax.Callback(e)()},Try:function Try(t){(t=MathJax.Callback(t)).autoReset=!0;try{t()}catch(e){if(!e.restart)throw e;MathJax.Callback.After(["Try",this,t],e.restart)}},resetLocale:function resetLocale(t){if(t){for(t=t.toLowerCase();!this.strings[t];){var e=t.lastIndexOf("-");if(-1===e)return;t=t.substring(0,e)}var n=this.strings[t].remap;this.locale=n||t}},setLocale:function setLocale(t){this.resetLocale(t),MathJax.Menu&&this.loadDomain("MathMenu")},addTranslation:function addTranslation(t,e,n){var r=this.strings[t],i=!1;r||(r=this.strings[t]={},i=!0),r.domains||(r.domains={}),e&&(r.domains[e]||(r.domains[e]={}),r=r.domains[e]),MathJax.Hub.Insert(r,n),i&&MathJax.Menu.menu&&MathJax.Menu.CreateLocaleMenu()},setCSS:function setCSS(t){var e=this.strings[this.locale];return e&&(e.fontFamily&&(t.style.fontFamily=e.fontFamily),e.fontDirection&&(t.style.direction=e.fontDirection,"rtl"===e.fontDirection&&(t.style.textAlign="right"))),t},fontFamily:function fontFamily(){var t=this.strings[this.locale];return t?t.fontFamily:null},fontDirection:function fontDirection(){var t=this.strings[this.locale];return t?t.fontDirection:null},plural:function plural(t){var e=this.strings[this.locale];return e&&e.plural?e.plural(t):1==t?1:2},number:function number(t){var e=this.strings[this.locale];return e&&e.number?e.number(t):t}},MathJax.Message={ready:!1,log:[{}],current:null,textNodeBug:"Apple Computer, Inc."===navigator.vendor&&void 0===navigator.vendorSub||window.hasOwnProperty&&window.hasOwnProperty("konqueror"),styles:{"#MathJax_Message":{position:"fixed",left:"1px",bottom:"2px","background-color":"#E6E6E6",border:"1px solid #959595",margin:"0px",padding:"2px 8px","z-index":"102",color:"black","font-size":"80%",width:"auto","white-space":"nowrap"},"#MathJax_MSIE_Frame":{position:"absolute",top:0,left:0,width:"0px","z-index":101,border:"0px",margin:"0px",padding:"0px"}},browsers:{MSIE:function MSIE(t){MathJax.Hub.config.styles["#MathJax_Message"].position="absolute",MathJax.Message.quirks="BackCompat"===document.compatMode},Chrome:function Chrome(t){MathJax.Hub.config.styles["#MathJax_Message"].bottom="1.5em",MathJax.Hub.config.styles["#MathJax_Message"].left="1em"}},Init:function Init(t){if(t&&(this.ready=!0),!document.body||!this.ready)return!1;if(this.div&&null==this.div.parentNode&&(this.div=document.getElementById("MathJax_Message"),this.div&&(this.text=this.div.firstChild)),!this.div){var e=document.body;MathJax.Hub.Browser.isMSIE&&((e=this.frame=this.addDiv(document.body)).removeAttribute("id"),e.style.position="absolute",e.style.border=e.style.margin=e.style.padding="0px",e.style.zIndex="101",e.style.height="0px",(e=this.addDiv(e)).id="MathJax_MSIE_Frame",window.attachEvent("onscroll",this.MoveFrame),window.attachEvent("onresize",this.MoveFrame),this.MoveFrame()),this.div=this.addDiv(e),this.div.style.display="none",this.text=this.div.appendChild(document.createTextNode(""))}return!0},addDiv:function addDiv(t){var e=document.createElement("div");return e.id="MathJax_Message",t.firstChild?t.insertBefore(e,t.firstChild):t.appendChild(e),e},MoveFrame:function MoveFrame(){var t=MathJax.Message.quirks?document.body:document.documentElement,e=MathJax.Message.frame;e.style.left=t.scrollLeft+"px",e.style.top=t.scrollTop+"px",e.style.width=t.clientWidth+"px",(e=e.firstChild).style.height=t.clientHeight+"px"},localize:function localize(t){return MathJax.Localization._(t,t)},filterText:function filterText(t,e,n){return"simple"===MathJax.Hub.config.messageStyle&&("LoadFile"===n?(this.loading||(this.loading=this.localize("Loading")+" "),t=this.loading,this.loading+="."):"ProcessMath"===n?(this.processing||(this.processing=this.localize("Processing")+" "),t=this.processing,this.processing+="."):"TypesetMath"===n&&(this.typesetting||(this.typesetting=this.localize("Typesetting")+" "),t=this.typesetting,this.typesetting+=".")),t},Set:function Set(t,e,n){null==e&&(e=this.log.length,this.log[e]={});var r="";if(t instanceof Array){(r=t[0])instanceof Array&&(r=r[1]);try{t=MathJax.Localization._.apply(MathJax.Localization,t)}catch(r){if(!r.restart)throw r;if(!r.restart.called)return null==this.log[e].restarted&&(this.log[e].restarted=0),this.log[e].restarted++,delete this.log[e].cleared,MathJax.Callback.After(["Set",this,t,e,n],r.restart),e}}return this.timer&&(clearTimeout(this.timer),delete this.timer),this.log[e].text=t,this.log[e].filteredText=t=this.filterText(t,e,r),void 0===this.log[e].next&&(this.log[e].next=this.current,null!=this.current&&(this.log[this.current].prev=e),this.current=e),this.current===e&&"none"!==MathJax.Hub.config.messageStyle&&(this.Init()?(this.textNodeBug?this.div.innerHTML=t:this.text.nodeValue=t,this.div.style.display="",this.status&&(window.status="",delete this.status)):(window.status=t,this.status=!0)),this.log[e].restarted&&(this.log[e].cleared&&(n=0),0==--this.log[e].restarted&&delete this.log[e].cleared),n?setTimeout(MathJax.Callback(["Clear",this,e]),n):0==n&&this.Clear(e,0),e},Clear:function Clear(t,e){null!=this.log[t].prev&&(this.log[this.log[t].prev].next=this.log[t].next),null!=this.log[t].next&&(this.log[this.log[t].next].prev=this.log[t].prev),this.current===t&&(this.current=this.log[t].next,this.text?(null==this.div.parentNode&&this.Init(),null==this.current?(this.timer&&(clearTimeout(this.timer),delete this.timer),null==e&&(e=600),0===e?this.Remove():this.timer=setTimeout(MathJax.Callback(["Remove",this]),e)):"none"!==MathJax.Hub.config.messageStyle&&(this.textNodeBug?this.div.innerHTML=this.log[this.current].filteredText:this.text.nodeValue=this.log[this.current].filteredText),this.status&&(window.status="",delete this.status)):this.status&&(window.status=null==this.current?"":this.log[this.current].text)),delete this.log[t].next,delete this.log[t].prev,delete this.log[t].filteredText,this.log[t].restarted&&(this.log[t].cleared=!0)},Remove:function Remove(){this.text.nodeValue="",this.div.style.display="none"},File:function File(t){var e=MathJax.Ajax.config.root;return t.substr(0,e.length)===e&&(t="[MathJax]"+t.substr(e.length)),this.Set(["LoadFile","Loading %1",t],null,null)},Log:function Log(){for(var t=[],e=1,n=this.log.length;e<n;e++)t[e]=this.log[e].text;return t.join("\n")}},MathJax.Hub={config:{root:"",config:[],styleSheets:[],styles:{".MathJax_Preview":{color:"#888"}},jax:[],extensions:[],preJax:null,postJax:null,displayAlign:"center",displayIndent:"0",preRemoveClass:"MathJax_Preview",showProcessingMessages:!0,messageStyle:"normal",delayStartupUntil:"none",skipStartupTypeset:!1,elements:[],positionToHash:!0,showMathMenu:!0,showMathMenuMSIE:!0,menuSettings:{zoom:"None",CTRL:!1,ALT:!1,CMD:!1,Shift:!1,discoverable:!1,zscale:"200%",renderer:"",font:"Auto",context:"MathJax",locale:"en",mpContext:!1,mpMouse:!1,texHints:!0},errorSettings:{message:["[",["MathProcessingError","Math Processing Error"],"]"],style:{color:"#CC0000","font-style":"italic"}}},preProcessors:MathJax.Callback.Hooks(!0),inputJax:{},outputJax:{order:{}},processUpdateTime:250,processUpdateDelay:10,signal:MathJax.Callback.Signal("Hub"),Config:function Config(t){this.Insert(this.config,t),this.config.Augment&&this.Augment(this.config.Augment)},CombineConfig:function CombineConfig(t,e){for(var n,r,i=this.config,o=0,s=(t=t.split(/\./)).length;o<s;o++)i[n=t[o]]||(i[n]={}),r=i,i=i[n];return r[n]=i=this.Insert(e,i),i},Register:{PreProcessor:function PreProcessor(){MathJax.Hub.preProcessors.Add.apply(MathJax.Hub.preProcessors,arguments)},MessageHook:function MessageHook(){return MathJax.Hub.signal.MessageHook.apply(MathJax.Hub.signal,arguments)},StartupHook:function StartupHook(){return MathJax.Hub.Startup.signal.MessageHook.apply(MathJax.Hub.Startup.signal,arguments)},LoadHook:function LoadHook(){return MathJax.Ajax.LoadHook.apply(MathJax.Ajax,arguments)}},getAllJax:function getAllJax(t){for(var e=[],n=this.elementScripts(t),r=0,i=n.length;r<i;r++)n[r].MathJax&&n[r].MathJax.elementJax&&e.push(n[r].MathJax.elementJax);return e},getJaxByType:function getJaxByType(t,e){for(var n=[],r=this.elementScripts(e),i=0,o=r.length;i<o;i++)r[i].MathJax&&r[i].MathJax.elementJax&&r[i].MathJax.elementJax.mimeType===t&&n.push(r[i].MathJax.elementJax);return n},getJaxByInputType:function getJaxByInputType(t,e){for(var n=[],r=this.elementScripts(e),i=0,o=r.length;i<o;i++)r[i].MathJax&&r[i].MathJax.elementJax&&r[i].type&&r[i].type.replace(/ *;(.|\s)*/,"")===t&&n.push(r[i].MathJax.elementJax);return n},getJaxFor:function getJaxFor(t){if("string"==typeof t&&(t=document.getElementById(t)),t&&t.MathJax)return t.MathJax.elementJax;if(t&&t.isMathJax){for(;t&&!t.jaxID;)t=t.parentNode;if(t)return MathJax.OutputJax[t.jaxID].getJaxFromMath(t)}return null},isJax:function isJax(t){if("string"==typeof t&&(t=document.getElementById(t)),t&&t.isMathJax)return 1;if(t&&null!=t.tagName&&"script"===t.tagName.toLowerCase()){if(t.MathJax)return t.MathJax.state===MathJax.ElementJax.STATE.PROCESSED?1:-1;if(t.type&&this.inputJax[t.type.replace(/ *;(.|\s)*/,"")])return-1}return 0},setRenderer:function setRenderer(t,e){if(t){if(MathJax.OutputJax[t]){this.config.menuSettings.renderer=t,null==e&&(e="jax/mml");var n=this.outputJax;return n[e]&&n[e].length&&t!==n[e][0].id?(n[e].unshift(MathJax.OutputJax[t]),this.signal.Post(["Renderer Selected",t])):null}this.config.menuSettings.renderer="";var r="[MathJax]/jax/output/"+t+"/config.js";return MathJax.Ajax.Require(r,["setRenderer",this,t,e])}},Queue:function Queue(){return this.queue.Push.apply(this.queue,arguments)},Typeset:function Typeset(t,e){if(!MathJax.isReady)return null;for(var n=this.elementCallback(t,e),r=MathJax.Callback.Queue(),i=0,o=n.elements.length;i<o;i++)n.elements[i]&&r.Push(["PreProcess",this,n.elements[i]],["Process",this,n.elements[i]]);return r.Push(n.callback)},PreProcess:function PreProcess(t,e){for(var n=this.elementCallback(t,e),r=MathJax.Callback.Queue(),i=0,o=n.elements.length;i<o;i++)n.elements[i]&&r.Push(["Post",this.signal,["Begin PreProcess",n.elements[i]]],arguments.callee.disabled?{}:["Execute",this.preProcessors,n.elements[i]],["Post",this.signal,["End PreProcess",n.elements[i]]]);return r.Push(n.callback)},Process:function Process(t,e){return this.takeAction("Process",t,e)},Update:function Update(t,e){return this.takeAction("Update",t,e)},Reprocess:function Reprocess(t,e){return this.takeAction("Reprocess",t,e)},Rerender:function Rerender(t,e){return this.takeAction("Rerender",t,e)},takeAction:function takeAction(t,e,n){for(var r=this.elementCallback(e,n),i=MathJax.Callback.Queue(["Clear",this.signal]),o=0,s=r.elements.length;o<s;o++)if(r.elements[o]){var u={scripts:[],start:(new Date).getTime(),i:0,j:0,jax:{},jaxIDs:[]};i.Push(["Post",this.signal,["Begin "+t,r.elements[o]]],["Post",this.signal,["Begin Math",r.elements[o],t]],["prepareScripts",this,t,r.elements[o],u],["Post",this.signal,["Begin Math Input",r.elements[o],t]],["processInput",this,u],["Post",this.signal,["End Math Input",r.elements[o],t]],["prepareOutput",this,u,"preProcess"],["Post",this.signal,["Begin Math Output",r.elements[o],t]],["processOutput",this,u],["Post",this.signal,["End Math Output",r.elements[o],t]],["prepareOutput",this,u,"postProcess"],["Post",this.signal,["End Math",r.elements[o],t]],["Post",this.signal,["End "+t,r.elements[o]]])}return i.Push(r.callback)},scriptAction:{Process:function Process(t){},Update:function Update(t){var e=t.MathJax.elementJax;e&&e.needsUpdate()?(e.Remove(!0),t.MathJax.state=e.STATE.UPDATE):t.MathJax.state=e.STATE.PROCESSED},Reprocess:function Reprocess(t){var e=t.MathJax.elementJax;e&&(e.Remove(!0),t.MathJax.state=e.STATE.UPDATE)},Rerender:function Rerender(t){var e=t.MathJax.elementJax;e&&(e.Remove(!0),t.MathJax.state=e.STATE.OUTPUT)}},prepareScripts:function prepareScripts(t,e,n){if(!arguments.callee.disabled)for(var r=this.elementScripts(e),i=MathJax.ElementJax.STATE,o=0,s=r.length;o<s;o++){var u=r[o];u.type&&this.inputJax[u.type.replace(/ *;(.|\n)*/,"")]&&(u.MathJax&&(u.MathJax.elementJax&&u.MathJax.elementJax.hover&&MathJax.Extension.MathEvents.Hover.ClearHover(u.MathJax.elementJax),u.MathJax.state!==i.PENDING&&this.scriptAction[t](u)),u.MathJax||(u.MathJax={state:i.PENDING}),u.MathJax.state!==i.PROCESSED&&n.scripts.push(u))}},checkScriptSiblings:function checkScriptSiblings(t){if(!t.MathJax.checked){var e=this.config,n=t.previousSibling;if(n&&"#text"===n.nodeName){var r,i,o=t.nextSibling;o&&"#text"!==o.nodeName&&(o=null),e.preJax&&("string"==typeof e.preJax&&(e.preJax=new RegExp(e.preJax+"$")),r=n.nodeValue.match(e.preJax)),e.postJax&&o&&("string"==typeof e.postJax&&(e.postJax=new RegExp("^"+e.postJax)),i=o.nodeValue.match(e.postJax)),!r||e.postJax&&!i||(n.nodeValue=n.nodeValue.replace(e.preJax,r.length>1?r[1]:""),n=null),!i||e.preJax&&!r||(o.nodeValue=o.nodeValue.replace(e.postJax,i.length>1?i[1]:"")),n&&!n.nodeValue.match(/\S/)&&(n=n.previousSibling)}e.preRemoveClass&&n&&n.className===e.preRemoveClass&&(t.MathJax.preview=n),t.MathJax.checked=1}},processInput:function processInput(t){var e,n,r,i=MathJax.ElementJax.STATE,o=t.scripts.length;try{for(;t.i<o;)if(n=t.scripts[t.i])if((r=n.previousSibling)&&"MathJax_Error"===r.className&&r.parentNode.removeChild(r),n.MathJax&&n.MathJax.state!==i.PROCESSED){if(n.MathJax.elementJax&&n.MathJax.state!==i.UPDATE)n.MathJax.state===i.OUTPUT&&this.saveScript(n.MathJax.elementJax,t,n,i);else{this.checkScriptSiblings(n);var s=n.type.replace(/ *;(.|\s)*/,"");if("function"==typeof(e=this.inputJax[s].Process(n,t))){if(e.called)continue;this.RestartAfter(e)}e.Attach(n,this.inputJax[s].id),this.saveScript(e,t,n,i)}t.i++;var u=(new Date).getTime();u-t.start>this.processUpdateTime&&t.i<t.scripts.length&&(t.start=u,this.RestartAfter(MathJax.Callback.Delay(1)))}else t.i++;else t.i++}catch(e){return this.processError(e,t,"Input")}return t.scripts.length&&this.config.showProcessingMessages&&MathJax.Message.Set(["ProcessMath","Processing math: %1%%",100],0),t.start=(new Date).getTime(),t.i=t.j=0,null},saveScript:function saveScript(t,e,n,r){if(!this.outputJax[t.mimeType])throw n.MathJax.state=r.UPDATE,Error("No output jax registered for "+t.mimeType);t.outputJax=this.outputJax[t.mimeType][0].id,e.jax[t.outputJax]||(0===e.jaxIDs.length?e.jax[t.outputJax]=e.scripts:(1===e.jaxIDs.length&&(e.jax[e.jaxIDs[0]]=e.scripts.slice(0,e.i)),e.jax[t.outputJax]=[]),e.jaxIDs.push(t.outputJax)),e.jaxIDs.length>1&&e.jax[t.outputJax].push(n),n.MathJax.state=r.OUTPUT},prepareOutput:function prepareOutput(t,e){for(;t.j<t.jaxIDs.length;){var n=t.jaxIDs[t.j],r=MathJax.OutputJax[n];if(r[e])try{var i=r[e](t);if("function"==typeof i){if(i.called)continue;this.RestartAfter(i)}}catch(r){return r.restart||(MathJax.Message.Set(["PrepError","Error preparing %1 output (%2)",n,e],null,600),MathJax.Hub.lastPrepError=r,t.j++),MathJax.Callback.After(["prepareOutput",this,t,e],r.restart)}t.j++}return null},processOutput:function processOutput(t){var e,n=MathJax.ElementJax.STATE,r=t.scripts.length;try{for(;t.i<r;)if((e=t.scripts[t.i])&&e.MathJax&&!e.MathJax.error){var i=e.MathJax.elementJax;if(i){MathJax.OutputJax[i.outputJax].Process(e,t),e.MathJax.state=n.PROCESSED,t.i++,e.MathJax.preview&&(e.MathJax.preview.innerHTML=""),this.signal.Post(["New Math",i.inputID]);var o=(new Date).getTime();o-t.start>this.processUpdateTime&&t.i<t.scripts.length&&(t.start=o,this.RestartAfter(MathJax.Callback.Delay(this.processUpdateDelay)))}else t.i++}else t.i++}catch(e){return this.processError(e,t,"Output")}return t.scripts.length&&this.config.showProcessingMessages&&(MathJax.Message.Set(["TypesetMath","Typesetting math: %1%%",100],0),MathJax.Message.Clear(0)),t.i=t.j=0,null},processMessage:function processMessage(t,e){var n=Math.floor(t.i/t.scripts.length*100),r="Output"===e?["TypesetMath","Typesetting math: %1%%"]:["ProcessMath","Processing math: %1%%"];this.config.showProcessingMessages&&MathJax.Message.Set(r.concat(n),0)},processError:function processError(t,e,n){if(!t.restart){if(!this.config.errorSettings.message)throw t;this.formatError(e.scripts[e.i],t),e.i++}return this.processMessage(e,n),MathJax.Callback.After(["process"+n,this,e],t.restart)},formatError:function formatError(t,e){var n="Error: "+e.message+"\n";e.sourceURL&&(n+="\nfile: "+e.sourceURL),e.line&&(n+="\nline: "+e.line),t.MathJax.error=MathJax.OutputJax.Error.Jax(n,t);var r=this.config.errorSettings,i=MathJax.Localization._(r.messageId,r.message),o=MathJax.HTML.Element("span",{className:"MathJax_Error",jaxID:"Error",isMathJax:!0},i);MathJax.Extension.MathEvents?(o.oncontextmenu=MathJax.Extension.MathEvents.Event.Menu,o.onmousedown=MathJax.Extension.MathEvents.Event.Mousedown):MathJax.Ajax.Require("[MathJax]/extensions/MathEvents.js",(function(){o.oncontextmenu=MathJax.Extension.MathEvents.Event.Menu,o.onmousedown=MathJax.Extension.MathEvents.Event.Mousedown})),t.parentNode.insertBefore(o,t),t.MathJax.preview&&(t.MathJax.preview.innerHTML=""),this.lastError=e,this.signal.Post(["Math Processing Error",t,e])},RestartAfter:function RestartAfter(t){throw this.Insert(Error("restart"),{restart:MathJax.Callback(t)})},elementCallback:function elementCallback(t,e){if(null==e&&(t instanceof Array||"function"==typeof t))try{MathJax.Callback(t),e=t,t=null}catch(t){}null==t&&(t=this.config.elements||[]),t instanceof Array||(t=[t]);for(var n=0,r=(t=[].concat(t)).length;n<r;n++)"string"==typeof t[n]&&(t[n]=document.getElementById(t[n]));return document.body||(document.body=document.getElementsByTagName("body")[0]),0==t.length&&t.push(document.body),e||(e={}),{elements:t,callback:e}},elementScripts:function elementScripts(t){if(t instanceof Array){for(var e=[],n=0,r=t.length;n<r;n++)e.push.apply(e,this.elementScripts(t[n]));return e}return"string"==typeof t&&(t=document.getElementById(t)),document.body||(document.body=document.getElementsByTagName("body")[0]),null==t&&(t=document.body),null!=t.tagName&&"script"===t.tagName.toLowerCase()?[t]:t.getElementsByTagName("script")},Insert:function Insert(t,e){for(var n in e)e.hasOwnProperty(n)&&("object"!==_typeof(e[n])||e[n]instanceof Array||"object"!==_typeof(t[n])&&"function"!=typeof t[n]?t[n]=e[n]:this.Insert(t[n],e[n]));return t},SplitList:"trim"in String.prototype?function(t){return t.trim().split(/\s+/)}:function(t){return t.replace(/^\s+/,"").replace(/\s+$/,"").split(/\s+/)}},MathJax.Hub.Insert(MathJax.Hub.config.styles,MathJax.Message.styles),MathJax.Hub.Insert(MathJax.Hub.config.styles,{".MathJax_Error":MathJax.Hub.config.errorSettings.style}),MathJax.Extension={},MathJax.Hub.Configured=MathJax.Callback({}),MathJax.Hub.Startup={script:"",queue:MathJax.Callback.Queue(),signal:MathJax.Callback.Signal("Startup"),params:{},Config:function Config(){this.queue.Push(["Post",this.signal,"Begin Config"]),this.params.locale&&(MathJax.Localization.resetLocale(this.params.locale),MathJax.Hub.config.menuSettings.locale=this.params.locale);var t=MathJax.HTML.Cookie.Get("user");if((t.URL||t.Config)&&(confirm(MathJax.Localization._("CookieConfig","MathJax has found a user-configuration cookie that includes code to be run. Do you want to run it?\n\n(You should press Cancel unless you set up the cookie yourself.)"))?(t.URL&&this.queue.Push(["Require",MathJax.Ajax,t.URL]),t.Config&&this.queue.Push(new Function(t.Config))):MathJax.HTML.Cookie.Set("user",{})),this.params.config)for(var e=this.params.config.split(/,/),n=0,r=e.length;n<r;n++)e[n].match(/\.js$/)||(e[n]+=".js"),this.queue.Push(["Require",MathJax.Ajax,this.URL("config",e[n])]);this.queue.Push(["Config",MathJax.Hub,MathJax.AuthorConfig]),this.script.match(/\S/)&&this.queue.Push(this.script+";\n1;"),this.queue.Push(["ConfigDelay",this],["ConfigBlocks",this],[function(t){return t.loadArray(MathJax.Hub.config.config,"config",null,!0)},this],["Post",this.signal,"End Config"])},ConfigDelay:function ConfigDelay(){var t=this.params.delayStartupUntil||MathJax.Hub.config.delayStartupUntil;return"onload"===t?this.onload:"configured"===t?MathJax.Hub.Configured:t},ConfigBlocks:function ConfigBlocks(){for(var t=document.getElementsByTagName("script"),e=null,n=MathJax.Callback.Queue(),r=0,i=t.length;r<i;r++){var o=String(t[r].type).replace(/ /g,"");o.match(/^text\/x-mathjax-config(;.*)?$/)&&!o.match(/;executed=true/)&&(t[r].type+=";executed=true",e=n.Push(t[r].innerHTML+";\n1;"))}return e},Cookie:function Cookie(){return this.queue.Push(["Post",this.signal,"Begin Cookie"],["Get",MathJax.HTML.Cookie,"menu",MathJax.Hub.config.menuSettings],[function(t){t.menuSettings.locale&&MathJax.Localization.resetLocale(t.menuSettings.locale);var e=t.menuSettings.renderer,n=t.jax;if(e){var r="output/"+e;n.sort();for(var i=0,o=n.length;i<o&&"output/"!==n[i].substr(0,7);i++);if(i==o-1)n.pop();else for(;i<o;){if(n[i]===r){n.splice(i,1);break}i++}n.unshift(r)}},MathJax.Hub.config],["Post",this.signal,"End Cookie"])},Styles:function Styles(){return this.queue.Push(["Post",this.signal,"Begin Styles"],["loadArray",this,MathJax.Hub.config.styleSheets,"config"],["Styles",MathJax.Ajax,MathJax.Hub.config.styles],["Post",this.signal,"End Styles"])},Jax:function Jax(){for(var t=MathJax.Hub.config,e=MathJax.Hub.outputJax,n=0,r=t.jax.length,i=0;n<r;n++){var o=t.jax[n].substr(7);"output/"===t.jax[n].substr(0,7)&&null==e.order[o]&&(e.order[o]=i,i++)}return MathJax.Callback.Queue().Push(["Post",this.signal,"Begin Jax"],["loadArray",this,t.jax,"jax","config.js"],["Post",this.signal,"End Jax"])},Extensions:function Extensions(){return MathJax.Callback.Queue().Push(["Post",this.signal,"Begin Extensions"],["loadArray",this,MathJax.Hub.config.extensions,"extensions"],["Post",this.signal,"End Extensions"])},Message:function Message(){MathJax.Message.Init(!0)},Menu:function Menu(){var t,e=MathJax.Hub.config.menuSettings,n=MathJax.Hub.outputJax;for(var r in n)if(n.hasOwnProperty(r)&&n[r].length){t=n[r];break}t&&t.length&&(e.renderer&&e.renderer!==t[0].id&&t.unshift(MathJax.OutputJax[e.renderer]),e.renderer=t[0].id)},Hash:function Hash(){if(MathJax.Hub.config.positionToHash&&document.location.hash&&document.body&&document.body.scrollIntoView){var t=document.location.hash.substr(1),e=document.getElementById(t);if(!e)for(var n=document.getElementsByTagName("a"),r=0,i=n.length;r<i;r++)if(n[r].name===t){e=n[r];break}if(e){for(;!e.scrollIntoView;)e=e.parentNode;(e=this.HashCheck(e))&&e.scrollIntoView&&setTimeout((function(){e.scrollIntoView(!0)}),1)}}},HashCheck:function HashCheck(t){if(t.isMathJax){var e=MathJax.Hub.getJaxFor(t);e&&MathJax.OutputJax[e.outputJax].hashCheck&&(t=MathJax.OutputJax[e.outputJax].hashCheck(t))}return t},MenuZoom:function MenuZoom(){MathJax.Extension.MathMenu?setTimeout(MathJax.Callback(["loadDomain",MathJax.Localization,"MathMenu"]),1e3):setTimeout((function(){MathJax.Callback.Queue(["Require",MathJax.Ajax,"[MathJax]/extensions/MathMenu.js",{}],["loadDomain",MathJax.Localization,"MathMenu"])}),1e3),MathJax.Extension.MathZoom||setTimeout(MathJax.Callback(["Require",MathJax.Ajax,"[MathJax]/extensions/MathZoom.js",{}]),2e3)},onLoad:function onLoad(){var t=this.onload=MathJax.Callback((function(){MathJax.Hub.Startup.signal.Post("onLoad")}));if(document.body&&document.readyState)if(MathJax.Hub.Browser.isMSIE){if("complete"===document.readyState)return[t]}else if("loading"!==document.readyState)return[t];return window.addEventListener?(window.addEventListener("load",t,!1),this.params.noDOMContentEvent||window.addEventListener("DOMContentLoaded",t,!1)):window.attachEvent?window.attachEvent("onload",t):window.onload=t,t},Typeset:function Typeset(t,e){return MathJax.Hub.config.skipStartupTypeset?function(){}:this.queue.Push(["Post",this.signal,"Begin Typeset"],["Typeset",MathJax.Hub,t,e],["Post",this.signal,"End Typeset"])},URL:function URL(t,e){return e.match(/^([a-z]+:\/\/|\[|\/)/)||(e="[MathJax]/"+t+"/"+e),e},loadArray:function loadArray(t,e,n,r){if(t&&(t instanceof Array||(t=[t]),t.length)){for(var i,o=MathJax.Callback.Queue(),s={},u=0,l=t.length;u<l;u++)i=this.URL(e,t[u]),n&&(i+="/"+n),r?o.Push(["Require",MathJax.Ajax,i,s]):o.Push(MathJax.Ajax.Require(i,s));return o.Push({})}return null}},function(t){var e=window[t],n="["+t+"]",r=e.Hub,i=e.Ajax,o=e.Callback,s=MathJax.Object.Subclass({JAXFILE:"jax.js",require:null,config:{},Init:function Init(t,e){return 0===arguments.length?this:this.constructor.Subclass(t,e)()},Augment:function Augment(t,e){var n=this.constructor,i={};if(null!=t){for(var o in t)t.hasOwnProperty(o)&&("function"==typeof t[o]?n.protoFunction(o,t[o]):i[o]=t[o]);t.toString!==n.prototype.toString&&t.toString!=={}.toString&&n.protoFunction("toString",t.toString)}return r.Insert(n.prototype,i),n.Augment(null,e),this},Translate:function Translate(t,e){throw Error(this.directory+"/"+this.JAXFILE+" failed to define the Translate() method")},Register:function Register(t){},Config:function Config(){this.config=r.CombineConfig(this.id,this.config),this.config.Augment&&this.Augment(this.config.Augment)},Startup:function Startup(){},loadComplete:function loadComplete(t){if("config.js"===t)return i.loadComplete(this.directory+"/"+t);var e=o.Queue();return e.Push(r.Register.StartupHook("End Config",{}),["Post",r.Startup.signal,this.id+" Jax Config"],["Config",this],["Post",r.Startup.signal,this.id+" Jax Require"],[function(t){return MathJax.Hub.Startup.loadArray(t.require,this.directory)},this],[function(t,e){return MathJax.Hub.Startup.loadArray(t.extensions,"extensions/"+e)},this.config||{},this.id],["Post",r.Startup.signal,this.id+" Jax Startup"],["Startup",this],["Post",r.Startup.signal,this.id+" Jax Ready"]),this.copyTranslate&&e.Push([function(t){t.preProcess=t.preTranslate,t.Process=t.Translate,t.postProcess=t.postTranslate},this.constructor.prototype]),e.Push(["loadComplete",i,this.directory+"/"+t])}},{id:"Jax",version:"2.3",directory:n+"/jax",extensionDir:n+"/extensions"});e.InputJax=s.Subclass({elementJax:"mml",sourceMenuTitle:["Original","Original Form"],copyTranslate:!0,Process:function Process(t,n){var s,u=o.Queue(),l=this.elementJax;l instanceof Array||(l=[l]);for(var h=0,f=l.length;h<f;h++)s=e.ElementJax.directory+"/"+l[h]+"/"+this.JAXFILE,this.require?this.require instanceof Array||(this.require=[this.require]):this.require=[],this.require.push(s),u.Push(i.Require(s));s=this.directory+"/"+this.JAXFILE;var p=u.Push(i.Require(s));return p.called||(this.constructor.prototype.Process=function(){if(!p.called)return p;throw Error(s+" failed to load properly")}),(l=r.outputJax["jax/"+l[0]])&&u.Push(i.Require(l[0].directory+"/"+this.JAXFILE)),u.Push({})},needsUpdate:function needsUpdate(t){var n=t.SourceElement();return t.originalText!==e.HTML.getScript(n)},Register:function Register(t){r.inputJax||(r.inputJax={}),r.inputJax[t]=this}},{id:"InputJax",version:"2.3",directory:s.directory+"/input",extensionDir:s.extensionDir}),e.OutputJax=s.Subclass({copyTranslate:!0,preProcess:function preProcess(t){var e,n=this.directory+"/"+this.JAXFILE;return this.constructor.prototype.preProcess=function(t){if(!e.called)return e;throw Error(n+" failed to load properly")},e=i.Require(n)},Register:function Register(t){var n=r.outputJax;n[t]||(n[t]=[]),n[t].length&&(this.id===r.config.menuSettings.renderer||(n.order[this.id]||0)<(n.order[n[t][0].id]||0))?n[t].unshift(this):n[t].push(this),this.require?this.require instanceof Array||(this.require=[this.require]):this.require=[],this.require.push(e.ElementJax.directory+"/"+t.split(/\//)[1]+"/"+this.JAXFILE)},Remove:function Remove(t){}},{id:"OutputJax",version:"2.3",directory:s.directory+"/output",extensionDir:s.extensionDir,fontDir:n+(e.isPacked?"":"/..")+"/fonts",imageDir:n+(e.isPacked?"":"/..")+"/images"}),e.ElementJax=s.Subclass({Init:function Init(t,e){return this.constructor.Subclass(t,e)},inputJax:null,outputJax:null,inputID:null,originalText:"",mimeType:"",sourceMenuTitle:["MathMLcode","MathML Code"],Text:function Text(t,n){var i=this.SourceElement();return e.HTML.setScript(i,t),i.MathJax.state=this.STATE.UPDATE,r.Update(i,n)},Reprocess:function Reprocess(t){var e=this.SourceElement();return e.MathJax.state=this.STATE.UPDATE,r.Reprocess(e,t)},Update:function Update(t){return this.Rerender(t)},Rerender:function Rerender(t){var e=this.SourceElement();return e.MathJax.state=this.STATE.OUTPUT,r.Process(e,t)},Remove:function Remove(t){this.hover&&this.hover.clear(this),e.OutputJax[this.outputJax].Remove(this),t||(r.signal.Post(["Remove Math",this.inputID]),this.Detach())},needsUpdate:function needsUpdate(){return e.InputJax[this.inputJax].needsUpdate(this)},SourceElement:function SourceElement(){return document.getElementById(this.inputID)},Attach:function Attach(t,n){var r=t.MathJax.elementJax;return t.MathJax.state===this.STATE.UPDATE?r.Clone(this):(r=t.MathJax.elementJax=this,t.id?this.inputID=t.id:(t.id=this.inputID=e.ElementJax.GetID(),this.newID=1)),r.originalText=e.HTML.getScript(t),r.inputJax=n,r.root&&(r.root.inputID=r.inputID),r},Detach:function Detach(){var t=this.SourceElement();if(t){try{delete t.MathJax}catch(e){t.MathJax=null}this.newID&&(t.id="")}},Clone:function Clone(t){var e;for(e in this)this.hasOwnProperty(e)&&void 0===t[e]&&"newID"!==e&&delete this[e];for(e in t)t.hasOwnProperty(e)&&(void 0===this[e]||this[e]!==t[e]&&"inputID"!==e)&&(this[e]=t[e])}},{id:"ElementJax",version:"2.3",directory:s.directory+"/element",extensionDir:s.extensionDir,ID:0,STATE:{PENDING:1,PROCESSED:2,UPDATE:3,OUTPUT:4},GetID:function GetID(){return this.ID++,"MathJax-Element-"+this.ID},Subclass:function Subclass(){var t=s.Subclass.apply(this,arguments);return t.loadComplete=this.prototype.loadComplete,t}}),e.ElementJax.prototype.STATE=e.ElementJax.STATE,e.OutputJax.Error={id:"Error",version:"2.3",config:{},ContextMenu:function ContextMenu(){return e.Extension.MathEvents.Event.ContextMenu.apply(e.Extension.MathEvents.Event,arguments)},Mousedown:function Mousedown(){return e.Extension.MathEvents.Event.AltContextMenu.apply(e.Extension.MathEvents.Event,arguments)},getJaxFromMath:function getJaxFromMath(t){return(t.nextSibling.MathJax||{}).error},Jax:function Jax(t,e){return{inputJax:(MathJax.Hub.inputJax[e.type.replace(/ *;(.|\s)*/,"")]||{id:"Error"}).id,outputJax:"Error",sourceMenuTitle:["ErrorMessage","Error Message"],sourceMenuFormat:"Error",originalText:MathJax.HTML.getScript(e),errorText:t}}},e.InputJax.Error={id:"Error",version:"2.3",config:{},sourceMenuTitle:["Original","Original Form"]}}("MathJax"),function(t){var e=window[t];e||(e=window[t]={});var n=e.Hub,r=n.Startup,i=n.config,o=document.getElementsByTagName("head")[0];o||(o=document.childNodes[0]);for(var s=(document.documentElement||document).getElementsByTagName("script"),u=new RegExp("(^|/)"+t+"\\.js(\\?.*)?$"),l=s.length-1;l>=0;l--)if((s[l].src||"").match(u)){if(r.script=s[l].innerHTML,RegExp.$2)for(var h=RegExp.$2.substr(1).split(/\&/),f=0,p=h.length;f<p;f++){var d=h[f].match(/(.*)=(.*)/);d&&(r.params[unescape(d[1])]=unescape(d[2]))}i.root=s[l].src.replace(/(^|\/)[^\/]*(\?.*)?$/,"").replace(/^(https?:\/\/(cdn.mathjax.org|c328740.ssl.cf1.rackcdn.com)\/mathjax\/)(latest)/,"$1"+e.version+"-$3");break}e.Ajax.config=i;var m={isMac:"Mac"===navigator.platform.substr(0,3),isPC:"Win"===navigator.platform.substr(0,3),isMSIE:null!=window.ActiveXObject&&null!=window.clipboardData,isFirefox:null!=navigator.userAgent.match(/Gecko/)&&null==navigator.userAgent.match(/KHTML/),isSafari:null!=navigator.userAgent.match(/ (Apple)?WebKit\//)&&(!window.chrome||null==window.chrome.loadTimes),isChrome:null!=window.chrome&&null!=window.chrome.loadTimes,isOpera:null!=window.opera&&null!=window.opera.version,isKonqueror:window.hasOwnProperty&&window.hasOwnProperty("konqueror")&&"KDE"==navigator.vendor,versionAtLeast:function versionAtLeast(t){for(var e=this.version.split("."),n=0,r=(t=new String(t).split(".")).length;n<r;n++)if(e[n]!=t[n])return parseInt(e[n]||"0")>=parseInt(t[n]);return!0},Select:function Select(t){var e=t[n.Browser];return e?e(n.Browser):null}},v=navigator.userAgent.replace(/^Mozilla\/(\d+\.)+\d+ /,"").replace(/[a-z][-a-z0-9._: ]+\/\d+[^ ]*-[^ ]*\.([a-z][a-z])?\d+ /i,"").replace(/Gentoo |Ubuntu\/(\d+\.)*\d+ (\([^)]*\) )?/,"");for(var x in n.Browser=n.Insert(n.Insert(new String("Unknown"),{version:"0.0"}),m),m)if(m.hasOwnProperty(x)&&m[x]&&"is"===x.substr(0,2)){if("Mac"===(x=x.slice(2))||"PC"===x)continue;n.Browser=n.Insert(new String(x),m);var y=new RegExp(".*(Version)/((?:\\d+\\.)+\\d+)|.*("+x+")"+("MSIE"==x?" ":"/")+"((?:\\d+\\.)*\\d+)|(?:^|\\(| )([a-z][-a-z0-9._: ]+|(?:Apple)?WebKit)/((?:\\d+\\.)+\\d+)").exec(v)||["","","","unknown","0.0"];n.Browser.name="Version"==y[1]?x:y[3]||y[5],n.Browser.version=y[2]||y[4]||y[6];break}n.Browser.Select({Safari:function Safari(t){var e=parseInt(String(t.version).split(".")[0]);e>85&&(t.webkit=t.version),e>=534?t.version="5.1":e>=533?t.version="5.0":e>=526?t.version="4.0":e>=525?t.version="3.1":e>500?t.version="3.0":e>400?t.version="2.0":e>85&&(t.version="1.0"),t.isMobile=null!=navigator.appVersion.match(/Mobile/i),t.noContextMenu=t.isMobile},Firefox:function Firefox(t){if(("0.0"===t.version||null==navigator.userAgent.match(/Firefox/))&&"Gecko"===navigator.product){var e=navigator.userAgent.match(/[\/ ]rv:(\d+\.\d.*?)[\) ]/);if(e)t.version=e[1];else{var n=(navigator.buildID||navigator.productSub||"0").substr(0,8);n>="20111220"?t.version="9.0":n>="20111120"?t.version="8.0":n>="20110927"?t.version="7.0":n>="20110816"?t.version="6.0":n>="20110621"?t.version="5.0":n>="20110320"?t.version="4.0":n>="20100121"?t.version="3.6":n>="20090630"?t.version="3.5":n>="20080617"?t.version="3.0":n>="20061024"&&(t.version="2.0")}}t.isMobile=null!=navigator.appVersion.match(/Android/i)||null!=navigator.userAgent.match(/ Fennec\//)||null!=navigator.userAgent.match(/Mobile/)},Opera:function Opera(t){t.version=opera.version()},MSIE:function MSIE(t){t.isIE9=!(!document.documentMode||!window.performance&&!window.msPerformance),MathJax.HTML.setScriptBug=!t.isIE9||document.documentMode<9;var e=!1;try{new ActiveXObject("MathPlayer.Factory.1"),t.hasMathPlayer=e=!0}catch(t){}try{if(e&&!r.params.NoMathPlayer){var n=document.createElement("object");n.id="mathplayer",n.classid="clsid:32F66A20-7614-11D4-BD11-00104BD3F987",document.getElementsByTagName("head")[0].appendChild(n),document.namespaces.add("m","https://web.archive.org/web/20131208123133/http://www.w3.org/1998/Math/MathML"),t.mpNamespace=!0,!document.readyState||"loading"!==document.readyState&&"interactive"!==document.readyState||(document.write('<?import namespace="m" implementation="#MathPlayer">'),t.mpImported=!0)}else document.namespaces.add("mjx_IE_fix","https://web.archive.org/web/20131208123133/http://www.w3.org/1999/xlink")}catch(t){}}}),n.Browser.Select(MathJax.Message.browsers),e.AuthorConfig&&"function"==typeof e.AuthorConfig.AuthorInit&&e.AuthorConfig.AuthorInit(),n.queue=e.Callback.Queue(),n.queue.Push(["Post",r.signal,"Begin"],["Config",r],["Cookie",r],["Styles",r],["Message",r],(function(){return e.Callback.Queue(r.Jax(),r.Extensions()).Push({})}),["Menu",r],r.onLoad(),(function(){MathJax.isReady=!0}),["Typeset",r],["Hash",r],["MenuZoom",r],["Post",r.signal,"End"])}("MathJax")));var No=Object.freeze({__proto__:null})}}}));