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t=this.parent;t&&t.notParent;)t=t.Parent;return t},enumerable:!1,configurable:!0}),Object.defineProperty(r.prototype,“notParent”,{get:function(){return!1},enumerable:!1,configurable:!0}),r.prototype.setChildren=function(e){return this.arity<0?this.childNodes.setChildren(e):t.prototype.setChildren.call(this,e)},r.prototype.appendChild=function(e){var r,n,o=this;if(this.arity<0)return this.childNodes.appendChild(e),e;if(e.isInferred){if(this.arity===1/0)return e.childNodes.forEach((function(e){return t.prototype.appendChild.call(o,e)})),e;var i=e;(e=this.factory.create(“mrow”)).setChildren(i.childNodes),e.attributes=i.attributes;try{for(var s=a(i.getPropertyNames()),l=s.next();!l.done;l=s.next()){var u=l.value;e.setProperty(u,i.getProperty(u))}}catch(t){r={error:t}}finally{try{l&&!l.done&&(n=s.return)&&n.call(s)}finally{if®throw r.error}}}return t.prototype.appendChild.call(this,e)},r.prototype.replaceChild=function(e,r){return this.arity<0?(this.childNodes.replaceChild(e,r),e):t.prototype.replaceChild.call(this,e,r)},r.prototype.core=function(){return this},r.prototype.coreMO=function(){return this},r.prototype.coreIndex=function(){return 0},r.prototype.childPosition=function(){for(var t,e,r=this,n=r.parent;n&&n.notParent;)r=n,n=n.parent;if(n){var o=0;try{for(var i=a(n.childNodes),s=i.next();!s.done;s=i.next()){if(s.value===r)return o;o++}}catch(e){t={error:e}}finally{try{s&&!s.done&&(e=i.return)&&e.call(i)}finally{if(t)throw t.error}}}return null},r.prototype.setTeXclass=function(t){return this.getPrevClass(t),null!=this.texClass?this:t},r.prototype.updateTeXclass=function(t){t&&(this.prevClass=t.prevClass,this.prevLevel=t.prevLevel,t.prevClass=t.prevLevel=null,this.texClass=t.texClass)},r.prototype.getPrevClass=function(t){t&&(this.prevClass=t.texClass,this.prevLevel=t.attributes.get(“scriptlevel”))},r.prototype.texSpacing=function(){var t=null!=this.prevClass?this.prevClass:e.TEXCLASS.NONE,r=this.texClass||e.TEXCLASS.ORD;if(t===e.TEXCLASS.NONE||r===e.TEXCLASS.NONE)return“”;t===e.TEXCLASS.VCENTER&&(t=e.TEXCLASS.ORD),r===e.TEXCLASS.VCENTER&&(r=e.TEXCLASS.ORD);var n=p[r];return(this.prevLevel>0||this.attributes.get(“scriptlevel”)>0)&&n>=0?“”:c},r.prototype.hasSpacingAttributes=function(){return this.isEmbellished&&this.coreMO().hasSpacingAttributes()},r.prototype.setInheritedAttributes=function(t,e,n,o){var i,l;void 0===t&&(t={}),void 0===e&&(e=!1),void 0===n&&(n=0),void 0===o&&(o=!1);var u=this.attributes.getAllDefaults();try{for(var c=a(Object.keys(t)),p=c.next();!p.done;p=c.next()){var f=p.value;if(u.hasOwnProperty(f)||r.alwaysInherit.hasOwnProperty(f)){var h=s(t,2),d=h,y=h;((r.noInherit||{})[this.kind]||{})[f]||this.attributes.setInherited(f,y)}}}catch(t){i={error:t}}finally{try{p&&!p.done&&(l=c.return)&&l.call©}finally{if(i)throw i.error}}void 0===this.attributes.getExplicit(“displaystyle”)&&this.attributes.setInherited(“displaystyle”,e),void 0===this.attributes.getExplicit(“scriptlevel”)&&this.attributes.setInherited(“scriptlevel”,n),o&&this.setProperty(“texprimestyle”,o);var O=this.arity;if(O>=0&&O!==1/0&&(1===O&&0===this.childNodes.length||1!==O&&this.childNodes.length!==O))if(O<this.childNodes.length)this.childNodes=this.childNodes.slice(0,O);else for(;this.childNodes.length<O;)this.appendChild(this.factory.create(“mrow”));this.setChildInheritedAttributes(t,e,n,o)},r.prototype.setChildInheritedAttributes=function(t,e,r,n){var o,i;try{for(var s=a(this.childNodes),l=s.next();!l.done;l=s.next()){l.value.setInheritedAttributes(t,e,r,n)}}catch(t){o={error:t}}finally{try{l&&!l.done&&(i=s.return)&&i.call(s)}finally{if(o)throw o.error}}},r.prototype.addInheritedAttributes=function(t,e){var r,n,o=i({},t);try{for(var s=a(Object.keys(e)),l=s.next();!l.done;l=s.next()){var u=l.value;“displaystyle”!==u&&“scriptlevel”!==u&&“style”!==u&&(o=[this.kind,e])}}catch(t){r={error:t}}finally{try{l&&!l.done&&(n=s.return)&&n.call(s)}finally{if®throw r.error}}return o},r.prototype.inheritAttributesFrom=function(t){var e=t.attributes,r=e.get(“displaystyle”),n=e.get(“scriptlevel”),o=e.isSet(“mathsize”)?{mathsize:}:{},i=t.getProperty(“texprimestyle”)||!1;this.setInheritedAttributes(o,r,n,i)},r.prototype.verifyTree=function(t){if(void 0===t&&(t=null),null!==t){this.verifyAttributes(t);var e=this.arity;t.checkArity&&e>=0&&e!==1/0&&(1===e&&0===this.childNodes.length||1!==e&&this.childNodes.length!==e)&&this.mError(‘Wrong number of children for “’this.kind‘” node’,t,!0),this.verifyChildren(t)}},r.prototype.verifyAttributes=function(t){var e,r;if(t.checkAttributes){var n=this.attributes,o=[];try{for(var i=a(n.getExplicitNames()),s=i.next();!s.done;s=i.next()){var l=s.value;“data-”===l.substr(0,5)||void 0!==n.getDefault(l)||l.match(/^(?:class|style|id|(?:x)?href)$/)||o.push(l)}}catch(t){e={error:t}}finally{try{s&&!s.done&&(r=i.return)&&r.call(i)}finally{if(e)throw e.error}}o.length&&this.mError(“Unknown attributes for ”this.kind“ node: ”+o.join(“, ”),t)}},r.prototype.verifyChildren=function(t){var e,r;try{for(var n=a(this.childNodes),o=n.next();!o.done;o=n.next()){o.value.verifyTree(t)}}catch(t){e={error:t}}finally{try{o&&!o.done&&(r=n.return)&&r.call(n)}finally{if(e)throw e.error}}},r.prototype.mError=function(t,e,r){if(void 0===r&&(r=!1),this.parent&&this.parent.isKind(“merror”))return null;var n=this.factory.create(“merror”);if(n.attributes.set(“data-mjx-message”,t),e.fullErrors||r){var o=this.factory.create(“mtext”),i=this.factory.create(“text”);i.setText(e.fullErrors?t:this.kind),o.appendChild(i),n.appendChild(o),this.parent.replaceChild(n,this)}else this.parent.replaceChild(n,this),n.appendChild(this);return n},r.defaults={mathbackground:l.INHERIT,mathcolor:l.INHERIT,mathsize:l.INHERIT,dir:l.INHERIT},r.noInherit={mstyle:{mpadded:{width:!0,height:!0,depth:!0,lspace:!0,voffset:!0},mtable:{width:!0,height:!0,depth:!0,align:!0}},maligngroup:{mrow:{groupalign:!0},mtable:{groupalign:!0}}},r.alwaysInherit={scriptminsize:!0,scriptsizemultiplier:!0},r.verifyDefaults={checkArity:!0,checkAttributes:!1,fullErrors:!1,fixMmultiscripts:!0,fixMtables:!0},r}(u.AbstractNode);e.AbstractMmlNode=f;var h=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return o(e,t),Object.defineProperty(e.prototype,“isToken”,{get:function(){return!0},enumerable:!1,configurable:!0}),e.prototype.getText=function(){var t,e,r=“”;try{for(var n=a(this.childNodes),o=n.next();!o.done;o=n.next()){var i=o.value;i instanceof M&&(r+=i.getText())}}catch(e){t={error:e}}finally{try{o&&!o.done&&(e=n.return)&&e.call(n)}finally{if(t)throw t.error}}return r},e.prototype.setChildInheritedAttributes=function(t,e,r,n){var o,i;try{for(var s=a(this.childNodes),l=s.next();!l.done;l=s.next()){var u=l.value;u instanceof f&&u.setInheritedAttributes(t,e,r,n)}}catch(t){o={error:t}}finally{try{l&&!l.done&&(i=s.return)&&i.call(s)}finally{if(o)throw o.error}}},e.prototype.walkTree=function(t,e){var r,n;t(this,e);try{for(var o=a(this.childNodes),i=o.next();!i.done;i=o.next()){var s=i.value;s instanceof f&&s.walkTree(t,e)}}catch(t){r={error:t}}finally{try{i&&!i.done&&(n=o.return)&&n.call(o)}finally{if®throw r.error}}return e},e.defaults=i(i({},f.defaults),{mathvariant:“normal”,mathsize:l.INHERIT}),e}(f);e.AbstractMmlTokenNode=h;var d=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return o(e,t),Object.defineProperty(e.prototype,“isSpacelike”,{get:function(){return this.childNodes.isSpacelike},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,“isEmbellished”,{get:function(){return this.childNodes.isEmbellished},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,“arity”,{get:function(){return-1},enumerable:!1,configurable:!0}),e.prototype.core=function(){return this.childNodes},e.prototype.coreMO=function(){return this.childNodes.coreMO()},e.prototype.setTeXclass=function(t){return t=this.childNodes.setTeXclass(t),this.updateTeXclass(this.childNodes),t},e.defaults=f.defaults,e}(f);e.AbstractMmlLayoutNode=d;var y=function(t){function r(){return null!==t&&t.apply(this,arguments)||this}return o(r,t),Object.defineProperty(r.prototype,“isEmbellished”,{get:function(){return this.childNodes.isEmbellished},enumerable:!1,configurable:!0}),r.prototype.core=function(){return this.childNodes},r.prototype.coreMO=function(){return this.childNodes.coreMO()},r.prototype.setTeXclass=function(t){var r,n;this.getPrevClass(t),this.texClass=e.TEXCLASS.ORD;var o=this.childNodes;o?this.isEmbellished||o.isKind(“mi”)?(t=o.setTeXclass(t),this.updateTeXclass(this.core())):(o.setTeXclass(null),t=this):t=this;try{for(var i=a(this.childNodes.slice(1)),s=i.next();!s.done;s=i.next()){var l=s.value;l&&l.setTeXclass(null)}}catch(t){r={error:t}}finally{try{s&&!s.done&&(n=i.return)&&n.call(i)}finally{if®throw r.error}}return t},r.defaults=f.defaults,r}(f);e.AbstractMmlBaseNode=y;var O=function(t){function r(){return null!==t&&t.apply(this,arguments)||this}return 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0===r&&(r=!1),null},r}(u.AbstractEmptyNode);e.AbstractMmlEmptyNode=O;var M=function(t){function e(){var e=null!==t&&t.apply(this,arguments)||this;return e.text=“”,e}return o(e,t),Object.defineProperty(e.prototype,“kind”,{get:function(){return“text”},enumerable:!1,configurable:!0}),e.prototype.getText=function(){return this.text},e.prototype.setText=function(t){return this.text=t,this},e.prototype.copy=function(){return this.factory.create(this.kind).setText(this.getText())},e.prototype.toString=function(){return this.text},e}(O);e.TextNode=M;var E=function(t){function e(){var e=null!==t&&t.apply(this,arguments)||this;return e.xml=null,e.adaptor=null,e}return o(e,t),Object.defineProperty(e.prototype,“kind”,{get:function(){return“XML”},enumerable:!1,configurable:!0}),e.prototype.getXML=function(){return this.xml},e.prototype.setXML=function(t,e){return void 0===e&&(e=null),this.xml=t,this.adaptor=e,this},e.prototype.getSerializedXML=function(){return 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a=r(9007),s=r(2756),l=function(t){function e(e,r,n){var o=t.call(this,e,r,n)||this;return o.texclass=a.TEXCLASS.ORD,o.setProperty(“texClass”,o.texClass),o}return o(e,t),Object.defineProperty(e.prototype,“kind”,{get:function(){return“TeXAtom”},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,“arity”,{get:function(){return-1},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,“notParent”,{get:function(){return this.childNodes&&1===this.childNodes.childNodes.length},enumerable:!1,configurable:!0}),e.prototype.setTeXclass=function(t){return this.childNodes.setTeXclass(null),this.adjustTeXclass(t)},e.prototype.adjustTeXclass=function(t){return t},e.defaults=i({},a.AbstractMmlBaseNode.defaults),e}(a.AbstractMmlBaseNode);e.TeXAtom=l,l.prototype.adjustTeXclass=s.MmlMo.prototype.adjustTeXclass},9145:function(t,e,r){var n,o=this&&this.__extends||(n=function(t,e){return n=Object.setPrototypeOf||{__proto__:[]}instanceof 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r=this.coreParent().Parent,n=!r||!(r.isKind(“msubsup”)&&!r.isKind(“msub”));this.setProperty(“pseudoscript”,n),n&&(this.attributes.setInherited(“lspace”,0),this.attributes.setInherited(“rspace”,0))}},e.prototype.checkPrimes=function(t){var e=this.constructor.primes;if(t.match(e)){var r=this.constructor.remapPrimes,n=(0,c.unicodeString)((0,c.unicodeChars)(t).map((function(t){return r})));this.setProperty(“primes”,n)}},e.prototype.checkMathAccent=function(t){var e=this.Parent;if(void 0===this.getProperty(“mathaccent”)&&e&&e.isKind(“munderover”)){var r=e.childNodes;if(!r.isEmbellished||r.coreMO()!==this){var 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