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n,o=this&&this.__extends||(n=function(t,e){return n=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r])},n(t,e)},function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Class extends value "+String(e)+" is not a constructor or null");function r(){this.constructor=t}n(t,e),t.prototype=null===e?Object.create(e):(r.prototype=e.prototype,new r)}),i=this&&this.__assign||function(){return i=Object.assign||function(t){for(var e,r=1,n=arguments.length;r1&&r.match(e.operatorName)&&"normal"===this.attributes.get("mathvariant")&&void 0===this.getProperty("autoOP")&&void 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this.attributes.isSet("lspace")||this.attributes.isSet("rspace")},Object.defineProperty(e.prototype,"isAccent",{get:function(){var t=!1,e=this.coreParent().parent;if(e){var r=e.isKind("mover")?e.childNodes[e.over].coreMO()?"accent":"":e.isKind("munder")?e.childNodes[e.under].coreMO()?"accentunder":"":e.isKind("munderover")?this===e.childNodes[e.over].coreMO()?"accent":this===e.childNodes[e.under].coreMO()?"accentunder":"":"";if(r)t=void 0!==e.attributes.getExplicit(r)?t:this.attributes.get("accent")}return t},enumerable:!1,configurable:!0}),e.prototype.setTeXclass=function(t){var e=this.attributes.getList("form","fence"),r=e.form,n=e.fence;return void 0===this.getProperty("texClass")&&(this.attributes.isSet("lspace")||this.attributes.isSet("rspace"))?null:(n&&this.texClass===l.TEXCLASS.REL&&("prefix"===r&&(this.texClass=l.TEXCLASS.OPEN),"postfix"===r&&(this.texClass=l.TEXCLASS.CLOSE)),this.adjustTeXclass(t))},e.prototype.adjustTeXclass=function(t){var e=this.texClass,r=this.prevClass;if(e===l.TEXCLASS.NONE)return t;if(t?(!t.getProperty("autoOP")||e!==l.TEXCLASS.BIN&&e!==l.TEXCLASS.REL||(r=t.texClass=l.TEXCLASS.ORD),r=this.prevClass=t.texClass||l.TEXCLASS.ORD,this.prevLevel=this.attributes.getInherited("scriptlevel")):r=this.prevClass=l.TEXCLASS.NONE,e!==l.TEXCLASS.BIN||r!==l.TEXCLASS.NONE&&r!==l.TEXCLASS.BIN&&r!==l.TEXCLASS.OP&&r!==l.TEXCLASS.REL&&r!==l.TEXCLASS.OPEN&&r!==l.TEXCLASS.PUNCT)if(r!==l.TEXCLASS.BIN||e!==l.TEXCLASS.REL&&e!==l.TEXCLASS.CLOSE&&e!==l.TEXCLASS.PUNCT){if(e===l.TEXCLASS.BIN){for(var n=this,o=this.parent;o&&o.parent&&o.isEmbellished&&(1===o.childNodes.length||!o.isKind("mrow")&&o.core()===n);)n=o,o=o.parent;o.childNodes[o.childNodes.length-1]===n&&(this.texClass=l.TEXCLASS.ORD)}}else t.texClass=this.prevClass=l.TEXCLASS.ORD;else this.texClass=l.TEXCLASS.ORD;return this},e.prototype.setInheritedAttributes=function(e,r,n,o){void 0===e&&(e={}),void 0===r&&(r=!1),void 0===n&&(n=0),void 0===o&&(o=!1),t.prototype.setInheritedAttributes.call(this,e,r,n,o);var i=this.getText();this.checkOperatorTable(i),this.checkPseudoScripts(i),this.checkPrimes(i),this.checkMathAccent(i)},e.prototype.checkOperatorTable=function(t){var e,r,n=s(this.handleExplicitForm(this.getForms()),3),o=n[0],i=n[1],l=n[2];this.attributes.setInherited("form",o);var u=this.constructor.OPTABLE,p=u[o][t]||u[i][t]||u[l][t];if(p){void 0===this.getProperty("texClass")&&(this.texClass=p[2]);try{for(var h=a(Object.keys(p[3]||{})),f=h.next();!f.done;f=h.next()){var d=f.value;this.attributes.setInherited(d,p[3][d])}}catch(t){e={error:t}}finally{try{f&&!f.done&&(r=h.return)&&r.call(h)}finally{if(e)throw e.error}}this.lspace=(p[0]+1)/18,this.rspace=(p[1]+1)/18}else{var m=(0,c.getRange)(t);if(m){void 0===this.getProperty("texClass")&&(this.texClass=m[2]);var y=this.constructor.MMLSPACING[m[2]];this.lspace=(y[0]+1)/18,this.rspace=(y[1]+1)/18}}},e.prototype.getForms=function(){for(var t=this,e=this.parent,r=this.Parent;r&&r.isEmbellished;)t=e,e=r.parent,r=r.Parent;if(e&&e.isKind("mrow")&&1!==e.nonSpaceLength()){if(e.firstNonSpace()===t)return["prefix","infix","postfix"];if(e.lastNonSpace()===t)return["postfix","infix","prefix"]}return["infix","prefix","postfix"]},e.prototype.handleExplicitForm=function(t){if(this.attributes.isSet("form")){var e=this.attributes.get("form");t=[e].concat(t.filter((function(t){return t!==e})))}return t},e.prototype.checkPseudoScripts=function(t){var e=this.constructor.pseudoScripts;if(t.match(e)){var 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,u.unicodeString)((0,u.unicodeChars)(t).map((function(t){return r[t]})));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[0];if(!r.isEmbellished||r.coreMO()!==this){var n=this.constructor.mathaccents;t.match(n)&&this.setProperty("mathaccent",!0)}}},e.defaults=i(i({},l.AbstractMmlTokenNode.defaults),{form:"infix",fence:!1,separator:!1,lspace:"thickmathspace",rspace:"thickmathspace",stretchy:!1,symmetric:!1,maxsize:"infinity",minsize:"0em",largeop:!1,movablelimits:!1,accent:!1,linebreak:"auto",lineleading:"1ex",linebreakstyle:"before",indentalign:"auto",indentshift:"0",indenttarget:"",indentalignfirst:"indentalign",indentshiftfirst:"indentshift",indentalignlast:"indentalign",indentshiftlast:"indentshift"}),e.MMLSPACING=c.MMLSPACING,e.OPTABLE=c.OPTABLE,e.pseudoScripts=new 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r=s(this.childNodes),n=r.next();!n.done;n=r.next()){var o=n.value;if(o&&!o.isSpacelike)return o}}catch(e){t={error:e}}finally{try{n&&!n.done&&(e=r.return)&&e.call(r)}finally{if(t)throw t.error}}return null},e.prototype.lastNonSpace=function(){for(var t=this.childNodes.length;--t>=0;){var e=this.childNodes[t];if(e&&!e.isSpacelike)return e}return null},e.prototype.setTeXclass=function(t){var e,r,n,o;if(null!=this.getProperty("open")||null!=this.getProperty("close")){this.getPrevClass(t),t=null;try{for(var i=s(this.childNodes),l=i.next();!l.done;l=i.next()){t=l.value.setTeXclass(t)}}catch(t){e={error:t}}finally{try{l&&!l.done&&(r=i.return)&&r.call(i)}finally{if(e)throw e.error}}null==this.texClass&&(this.texClass=a.TEXCLASS.INNER)}else{try{for(var c=s(this.childNodes),u=c.next();!u.done;u=c.next()){t=u.value.setTeXclass(t)}}catch(t){n={error:t}}finally{try{u&&!u.done&&(o=c.return)&&o.call(c)}finally{if(n)throw n.error}}this.childNodes[0]&&this.updateTeXclass(this.childNodes[0])}return t},e.defaults=i({},a.AbstractMmlNode.defaults),e}(a.AbstractMmlNode);e.MmlMrow=l;var c=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return o(e,t),Object.defineProperty(e.prototype,"kind",{get:function(){return"inferredMrow"},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,"isInferred",{get:function(){return!0},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,"notParent",{get:function(){return!0},enumerable:!1,configurable:!0}),e.prototype.toString=function(){return"["+this.childNodes.join(",")+"]"},e.defaults=l.defaults,e}(l);e.MmlInferredMrow=c},7265:function(t,e,r){var n,o=this&&this.__extends||(n=function(t,e){return n=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r])},n(t,e)},function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Class extends value "+String(e)+" is not a constructor or 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