diff --git a/README.md b/README.md
index acbbe8a..aa3a9dd 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,3 @@
-# Notes
+# Jupiter Notes
A repository to store the notes taken.
diff --git a/docs/assets/jupiter.svg b/docs/assets/jupiter.svg
new file mode 100644
index 0000000..2e1a78c
--- /dev/null
+++ b/docs/assets/jupiter.svg
@@ -0,0 +1,18 @@
+
diff --git a/docs/assets/vendor/mathjax/LICENSE b/docs/assets/vendor/mathjax/LICENSE
new file mode 100644
index 0000000..d645695
--- /dev/null
+++ b/docs/assets/vendor/mathjax/LICENSE
@@ -0,0 +1,202 @@
+
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+
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diff --git a/docs/assets/vendor/mathjax/a11y/assistive-mml.js b/docs/assets/vendor/mathjax/a11y/assistive-mml.js
new file mode 100644
index 0000000..3657d77
--- /dev/null
+++ b/docs/assets/vendor/mathjax/a11y/assistive-mml.js
@@ -0,0 +1 @@
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diff --git a/docs/assets/vendor/mathjax/a11y/explorer.js b/docs/assets/vendor/mathjax/a11y/explorer.js
new file mode 100644
index 0000000..f79ffbc
--- /dev/null
+++ b/docs/assets/vendor/mathjax/a11y/explorer.js
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test(e){return!(!e.mathmlTree||!e.fencePointer||e.mathmlTree.getAttribute("data-semantic-type"))}static makeEmptyNode_(e){const t=r.createElement("mrow"),n=new i.SemanticNode(e);return n.type="empty",n.mathmlTree=t,n}static fencedMap_(e,t){t[e.id]=e.mathmlTree,e.embellished&&d.fencedMap_(e.childNodes[0],t)}getMathml(){this.getFenced_(),this.fencedMml=l.walkTree(this.fenced),this.getFencesMml_(),"empty"!==this.fenced.type||this.fencedMml.parentNode||(this.fencedMml.setAttribute(u.Attribute.ADDED,"true"),this.cfenceMml.parentNode.insertBefore(this.fencedMml,this.cfenceMml)),this.getFencedMml_();return this.rewrite_()}fencedElement(e){return"fenced"===e.type||"matrix"===e.type||"vector"===e.type}getFenced_(){let e=this.semantic;for(;!this.fencedElement(e);)e=e.childNodes[0];this.fenced=e.childNodes[0],this.ofence=e.contentNodes[0],this.cfence=e.contentNodes[1],d.fencedMap_(this.ofence,this.ofenceMap),d.fencedMap_(this.cfence,this.cfenceMap)}getFencedMml_(){let e=this.ofenceMml.nextSibling;for(e=e===this.fencedMml?e:this.fencedMml;e&&e!==this.cfenceMml;)this.fencedMmlNodes.push(e),e=e.nextSibling}getFencesMml_(){let e=this.semantic;const t=Object.keys(this.ofenceMap),n=Object.keys(this.cfenceMap);for(;!(this.ofenceMml&&this.cfenceMml||e===this.fenced);)-1===t.indexOf(e.fencePointer)||this.ofenceMml||(this.ofenceMml=e.mathmlTree),-1===n.indexOf(e.fencePointer)||this.cfenceMml||(this.cfenceMml=e.mathmlTree),e=e.childNodes[0];this.ofenceMml||(this.ofenceMml=this.ofence.mathmlTree),this.cfenceMml||(this.cfenceMml=this.cfence.mathmlTree),this.ofenceMml&&(this.ofenceMml=l.ascendNewNode(this.ofenceMml)),this.cfenceMml&&(this.cfenceMml=l.ascendNewNode(this.cfenceMml))}rewrite_(){let e=this.semantic,t=null;const n=this.introduceNewLayer_();for((0,u.setAttributes)(n,this.fenced.parent);!this.fencedElement(e);){const i=e.mathmlTree,o=this.specialCase_(e,i);if(o)e=o;else{(0,u.setAttributes)(i,e);const t=[];for(let n,r=1;n=e.childNodes[r];r++)t.push(l.walkTree(n));e=e.childNodes[0]}const s=r.createElement("dummy"),a=i.childNodes[0];r.replaceNode(i,s),r.replaceNode(n,i),r.replaceNode(i.childNodes[0],n),r.replaceNode(s,a),t||(t=i)}return l.walkTree(this.ofence),l.walkTree(this.cfence),this.cleanupParents_(),t||n}specialCase_(e,t){const n=r.tagName(t);let i,o=null;if("MSUBSUP"===n?(o=e.childNodes[0],i=s.CaseDoubleScript):"MMULTISCRIPTS"===n&&("superscript"===e.type||"subscript"===e.type?i=a.CaseMultiscripts:"tensor"===e.type&&(i=c.CaseTensor),o=i&&e.childNodes[0]&&"subsup"===e.childNodes[0].role?e.childNodes[0]:e),!o)return null;const l=o.childNodes[0],u=d.makeEmptyNode_(l.id);return o.childNodes[0]=u,t=new i(e).getMathml(),o.childNodes[0]=l,this.parentCleanup.push(t),o.childNodes[0]}introduceNewLayer_(){const e=this.fullFence(this.ofenceMml),t=this.fullFence(this.cfenceMml);let n=r.createElement("mrow");if(r.replaceNode(this.fencedMml,n),this.fencedMmlNodes.forEach((e=>n.appendChild(e))),n.insertBefore(e,this.fencedMml),n.appendChild(t),!n.parentNode){const e=r.createElement("mrow");for(;n.childNodes.length>0;)e.appendChild(n.childNodes[0]);n.appendChild(e),n=e}return n}fullFence(e){const t=this.fencedMml.parentNode;let n=e;for(;n.parentNode&&n.parentNode!==t;)n=n.parentNode;return n}cleanupParents_(){this.parentCleanup.forEach((function(e){const t=e.childNodes[1].getAttribute(u.Attribute.PARENT);e.childNodes[0].setAttribute(u.Attribute.PARENT,t)}))}}t.CaseEmbellished=d},9763:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.CaseLimit=void 0;const r=n(6671),i=n(9341),o=n(8672),s=n(8171);class a extends i.AbstractEnrichCase{constructor(e){super(e),this.mml=e.mathmlTree}static test(e){if(!e.mathmlTree||!e.childNodes.length)return!1;const t=r.tagName(e.mathmlTree),n=e.type;return("limupper"===n||"limlower"===n)&&("MSUBSUP"===t||"MUNDEROVER"===t)||"limboth"===n&&("MSUB"===t||"MUNDER"===t||"MSUP"===t||"MOVER"===t)}static walkTree_(e){e&&o.walkTree(e)}getMathml(){const e=this.semantic.childNodes;return"limboth"!==this.semantic.type&&this.mml.childNodes.length>=3&&(this.mml=o.introduceNewLayer([this.mml],this.semantic)),(0,s.setAttributes)(this.mml,this.semantic),e[0].mathmlTree||(e[0].mathmlTree=this.semantic.mathmlTree),e.forEach(a.walkTree_),this.mml}}t.CaseLimit=a},7978:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.CaseLine=void 0;const r=n(9341),i=n(8672),o=n(8171);class s extends r.AbstractEnrichCase{constructor(e){super(e),this.mml=e.mathmlTree}static test(e){return!!e.mathmlTree&&"line"===e.type}getMathml(){return this.semantic.contentNodes.length&&i.walkTree(this.semantic.contentNodes[0]),this.semantic.childNodes.length&&i.walkTree(this.semantic.childNodes[0]),(0,o.setAttributes)(this.mml,this.semantic),this.mml}}t.CaseLine=s},2124:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.CaseMultiindex=void 0;const r=n(6671),i=n(9341),o=n(8672),s=n(8171);class a extends i.AbstractEnrichCase{constructor(e){super(e),this.mml=e.mathmlTree}static multiscriptIndex(e){return"punctuated"===e.type&&"dummy"===e.contentNodes[0].role?o.collapsePunctuated(e):(o.walkTree(e),e.id)}static createNone_(e){const t=r.createElement("none");return e&&(0,s.setAttributes)(t,e),t.setAttribute(s.Attribute.ADDED,"true"),t}completeMultiscript(e,t){const n=r.toArray(this.mml.childNodes).slice(1);let i=0;const c=e=>{for(let t,r=0;t=e[r];r++){const e=n[i];if(e&&t===parseInt(o.getInnerNode(e).getAttribute(s.Attribute.ID)))o.getInnerNode(e).setAttribute(s.Attribute.PARENT,this.semantic.id.toString()),i++;else{const n=this.semantic.querySelectorAll((e=>e.id===t));this.mml.insertBefore(a.createNone_(n[0]),e||null)}}};c(e),n[i]&&"MPRESCRIPTS"!==r.tagName(n[i])?this.mml.insertBefore(n[i],r.createElement("mprescripts")):i++,c(t)}}t.CaseMultiindex=a},4308:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.CaseMultiscripts=void 0;const r=n(6671),i=n(7984),o=n(2124),s=n(8672),a=n(8171);class c extends o.CaseMultiindex{static test(e){if(!e.mathmlTree)return!1;return"MMULTISCRIPTS"===r.tagName(e.mathmlTree)&&("superscript"===e.type||"subscript"===e.type)}constructor(e){super(e)}getMathml(){let e,t,n;if((0,a.setAttributes)(this.mml,this.semantic),this.semantic.childNodes[0]&&"subsup"===this.semantic.childNodes[0].role){const r=this.semantic.childNodes[0];e=r.childNodes[0],t=o.CaseMultiindex.multiscriptIndex(this.semantic.childNodes[1]),n=o.CaseMultiindex.multiscriptIndex(r.childNodes[1]);const c=[this.semantic.id,[r.id,e.id,n],t];s.addCollapsedAttribute(this.mml,c),this.mml.setAttribute(a.Attribute.TYPE,r.role),this.completeMultiscript(i.SemanticSkeleton.interleaveIds(n,t),[])}else{e=this.semantic.childNodes[0],t=o.CaseMultiindex.multiscriptIndex(this.semantic.childNodes[1]);const n=[this.semantic.id,e.id,t];s.addCollapsedAttribute(this.mml,n)}const r=i.SemanticSkeleton.collapsedLeafs(n||[],t),c=s.walkTree(e);return s.getInnerNode(c).setAttribute(a.Attribute.PARENT,this.semantic.id.toString()),r.unshift(e.id),this.mml.setAttribute(a.Attribute.CHILDREN,r.join(",")),this.mml}}t.CaseMultiscripts=c},5326:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.CaseProof=void 0;const r=n(9341),i=n(8672),o=n(8171);class s extends r.AbstractEnrichCase{constructor(e){super(e),this.mml=e.mathmlTree}static test(e){return!!e.mathmlTree&&("inference"===e.type||"premises"===e.type)}getMathml(){return this.semantic.childNodes.length?(this.semantic.contentNodes.forEach((function(e){i.walkTree(e),(0,o.setAttributes)(e.mathmlTree,e)})),this.semantic.childNodes.forEach((function(e){i.walkTree(e)})),(0,o.setAttributes)(this.mml,this.semantic),this.mml.getAttribute("data-semantic-id")===this.mml.getAttribute("data-semantic-parent")&&this.mml.removeAttribute("data-semantic-parent"),this.mml):this.mml}}t.CaseProof=s},6998:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.CaseTable=void 0;const r=n(6671),i=n(9341),o=n(8672),s=n(8171);class a extends i.AbstractEnrichCase{constructor(e){super(e),this.inner=[],this.mml=e.mathmlTree}static test(e){return"matrix"===e.type||"vector"===e.type||"cases"===e.type}getMathml(){const e=o.cloneContentNode(this.semantic.contentNodes[0]),t=this.semantic.contentNodes[1]?o.cloneContentNode(this.semantic.contentNodes[1]):null;if(this.inner=this.semantic.childNodes.map(o.walkTree),this.mml)if("MFENCED"===r.tagName(this.mml)){const n=this.mml.childNodes;this.mml.insertBefore(e,n[0]||null),t&&this.mml.appendChild(t),this.mml=o.rewriteMfenced(this.mml)}else{const n=[e,this.mml];t&&n.push(t),this.mml=o.introduceNewLayer(n,this.semantic)}else this.mml=o.introduceNewLayer([e].concat(this.inner,[t]),this.semantic);return(0,s.setAttributes)(this.mml,this.semantic),this.mml}}t.CaseTable=a},439:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.CaseTensor=void 0;const r=n(7984),i=n(2124),o=n(8672),s=n(8171);class a extends i.CaseMultiindex{static test(e){return!!e.mathmlTree&&"tensor"===e.type}constructor(e){super(e)}getMathml(){o.walkTree(this.semantic.childNodes[0]);const e=i.CaseMultiindex.multiscriptIndex(this.semantic.childNodes[1]),t=i.CaseMultiindex.multiscriptIndex(this.semantic.childNodes[2]),n=i.CaseMultiindex.multiscriptIndex(this.semantic.childNodes[3]),a=i.CaseMultiindex.multiscriptIndex(this.semantic.childNodes[4]);(0,s.setAttributes)(this.mml,this.semantic);const c=[this.semantic.id,this.semantic.childNodes[0].id,e,t,n,a];o.addCollapsedAttribute(this.mml,c);const l=r.SemanticSkeleton.collapsedLeafs(e,t,n,a);return l.unshift(this.semantic.childNodes[0].id),this.mml.setAttribute(s.Attribute.CHILDREN,l.join(",")),this.completeMultiscript(r.SemanticSkeleton.interleaveIds(n,a),r.SemanticSkeleton.interleaveIds(e,t)),this.mml}}t.CaseTensor=a},598:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.CaseText=void 0;const r=n(9341),i=n(8672),o=n(8171);class s extends r.AbstractEnrichCase{constructor(e){super(e),this.mml=e.mathmlTree}static test(e){return"punctuated"===e.type&&("text"===e.role||e.contentNodes.every((e=>"dummy"===e.role)))}getMathml(){const e=[],t=i.collapsePunctuated(this.semantic,e);return this.mml=i.introduceNewLayer(e,this.semantic),(0,o.setAttributes)(this.mml,this.semantic),this.mml.removeAttribute(o.Attribute.CONTENT),i.addCollapsedAttribute(this.mml,t),this.mml}}t.CaseText=s},7450:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.prepareMmlString=t.testTranslation__=t.semanticMathml=t.semanticMathmlSync=t.semanticMathmlNode=void 0;const r=n(1984),i=n(6671),o=n(4886),s=n(1939),a=n(8672),c=n(8171);function l(e){const t=i.cloneNode(e),n=s.getTree(t);return a.enrich(t,n)}function u(e){return l(i.parseInput(e))}function d(e){return e.match(/^"),e}n(7813),t.semanticMathmlNode=l,t.semanticMathmlSync=u,t.semanticMathml=function(e,t){o.EnginePromise.getall().then((()=>{const n=i.parseInput(e);t(l(n))}))},t.testTranslation__=function(e){r.Debugger.getInstance().init();const t=u(d(e)).toString();return(0,c.removeAttributePrefix)(t),r.Debugger.getInstance().exit(),t},t.prepareMmlString=d},8171:function(e,t){var n;function r(e){return e.map((function(e){return e.id})).join(",")}function i(e,t){const r=[];"mglyph"===t.role&&r.push("image"),t.attributes.href&&r.push("link"),r.length&&e.setAttribute(n.POSTFIX,r.join(" "))}Object.defineProperty(t,"__esModule",{value:!0}),t.addPrefix=t.removeAttributePrefix=t.setPostfix=t.setAttributes=t.makeIdList=t.EnrichAttributes=t.Attribute=t.Prefix=void 0,t.Prefix="data-semantic-",function(e){e.ADDED="data-semantic-added",e.ALTERNATIVE="data-semantic-alternative",e.CHILDREN="data-semantic-children",e.COLLAPSED="data-semantic-collapsed",e.CONTENT="data-semantic-content",e.EMBELLISHED="data-semantic-embellished",e.FENCEPOINTER="data-semantic-fencepointer",e.FONT="data-semantic-font",e.ID="data-semantic-id",e.ANNOTATION="data-semantic-annotation",e.OPERATOR="data-semantic-operator",e.OWNS="data-semantic-owns",e.PARENT="data-semantic-parent",e.POSTFIX="data-semantic-postfix",e.PREFIX="data-semantic-prefix",e.ROLE="data-semantic-role",e.SPEECH="data-semantic-speech",e.STRUCTURE="data-semantic-structure",e.TYPE="data-semantic-type"}(n=t.Attribute||(t.Attribute={})),t.EnrichAttributes=[n.ADDED,n.ALTERNATIVE,n.CHILDREN,n.COLLAPSED,n.CONTENT,n.EMBELLISHED,n.FENCEPOINTER,n.FONT,n.ID,n.ANNOTATION,n.OPERATOR,n.OWNS,n.PARENT,n.POSTFIX,n.PREFIX,n.ROLE,n.SPEECH,n.STRUCTURE,n.TYPE],t.makeIdList=r,t.setAttributes=function(e,o){e.setAttribute(n.TYPE,o.type);const s=o.allAttributes();for(let n,r=0;n=s[r];r++)e.setAttribute(t.Prefix+n[0].toLowerCase(),n[1]);o.childNodes.length&&e.setAttribute(n.CHILDREN,r(o.childNodes)),o.contentNodes.length&&e.setAttribute(n.CONTENT,r(o.contentNodes)),o.parent&&e.setAttribute(n.PARENT,o.parent.id.toString()),i(e,o)},t.setPostfix=i,t.removeAttributePrefix=function(e){return e.toString().replace(new RegExp(t.Prefix,"g"),"")},t.addPrefix=function(e){return t.Prefix+e}},9775:function(e,t){Object.defineProperty(t,"__esModule",{value:!0}),t.factory=t.getCase=void 0,t.getCase=function(e){for(let n,r=0;n=t.factory[r];r++)if(n.test(e))return n.constr(e);return null},t.factory=[]},7813:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0});const r=n(4306),i=n(8871),o=n(928),s=n(9763),a=n(7978),c=n(4308),l=n(5326),u=n(6998),d=n(439),h=n(598);n(9775).factory.push({test:s.CaseLimit.test,constr:e=>new s.CaseLimit(e)},{test:o.CaseEmbellished.test,constr:e=>new o.CaseEmbellished(e)},{test:i.CaseDoubleScript.test,constr:e=>new i.CaseDoubleScript(e)},{test:d.CaseTensor.test,constr:e=>new d.CaseTensor(e)},{test:c.CaseMultiscripts.test,constr:e=>new c.CaseMultiscripts(e)},{test:a.CaseLine.test,constr:e=>new a.CaseLine(e)},{test:r.CaseBinomial.test,constr:e=>new r.CaseBinomial(e)},{test:l.CaseProof.test,constr:e=>new l.CaseProof(e)},{test:u.CaseTable.test,constr:e=>new u.CaseTable(e)},{test:h.CaseText.test,constr:e=>new h.CaseText(e)})},8672:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.printNodeList__=t.collapsePunctuated=t.formattedOutput_=t.formattedOutput=t.getInnerNode=t.setOperatorAttribute_=t.createInvisibleOperator_=t.rewriteMfenced=t.cloneContentNode=t.addCollapsedAttribute=t.parentNode_=t.isIgnorable_=t.unitChild_=t.descendNode_=t.ascendNewNode=t.validLca_=t.pathToRoot_=t.attachedElement_=t.prunePath_=t.mathmlLca_=t.lcaType=t.functionApplication_=t.isDescendant_=t.insertNewChild_=t.mergeChildren_=t.collectChildNodes_=t.collateChildNodes_=t.childrenSubset_=t.moveSemanticAttributes_=t.introduceLayerAboveLca=t.introduceNewLayer=t.walkTree=t.enrich=t.SETTINGS=void 0;const r=n(1984),i=n(6671),o=n(4886),s=n(4020),a=n(2721),c=n(7984),l=n(8901),u=n(8171),d=n(9775);function h(e){const t=(0,d.getCase)(e);let n;if(t)return n=t.getMathml(),I(n);if(1===e.mathml.length)return r.Debugger.getInstance().output("Walktree Case 0"),n=e.mathml[0],u.setAttributes(n,e),e.childNodes.length&&(r.Debugger.getInstance().output("Walktree Case 0.1"),e.childNodes.forEach((function(e){"empty"===e.type&&n.appendChild(h(e))}))),I(n);const i=e.contentNodes.map(F);k(e,i);const o=e.childNodes.map(h),s=c.SemanticSkeleton.combineContentChildren(e,i,o);if(n=e.mathmlTree,null===n)r.Debugger.getInstance().output("Walktree Case 1"),n=p(s,e);else{const e=v(s);r.Debugger.getInstance().output("Walktree Case 2"),e?(r.Debugger.getInstance().output("Walktree Case 2.1"),n=e.parentNode):(r.Debugger.getInstance().output("Walktree Case 2.2"),n=U(n))}return n=D(n),N(n,s,e),u.setAttributes(n,e),I(n)}function p(e,t){const n=C(e);let o=n.node;const s=n.type;if(s!==_.VALID||!l.hasEmptyTag(o))if(r.Debugger.getInstance().output("Walktree Case 1.1"),o=i.createElement("mrow"),s===_.PRUNED)r.Debugger.getInstance().output("Walktree Case 1.1.0"),o=f(o,n.node,e);else if(e[0]){r.Debugger.getInstance().output("Walktree Case 1.1.1");const 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t||!this.inherits?t:this.inherits.getFullPreconditions(e)}definePrecondition(e,t,n,...r){const i=this.parsePrecondition(n,r),o=this.parseCstr(t);i&&o?(i.rank=this.rank++,this.preconditions.set(e,new c(o,i))):console.error(`Precondition Error: ${n}, (${t})`)}inheritRules(){if(!this.inherits||!this.inherits.getSpeechRules().length)return;const e=new RegExp("^\\w+\\.\\w+\\."+(this.domain?"\\w+\\.":""));this.inherits.getSpeechRules().forEach((t=>{const n=this.parseCstr(t.dynamicCstr.toString().replace(e,""));this.addRule(new o.SpeechRule(t.name,n,t.precondition,t.action))}))}ignoreRules(e,...t){let n=this.findAllRules((t=>t.name===e));if(!t.length)return void n.forEach(this.deleteRule.bind(this));let r=[];for(const e of t){const t=this.parseCstr(e);for(const e of n)t.equal(e.dynamicCstr)?this.deleteRule(e):r.push(e);n=r,r=[]}}parsePrecondition_(e){const t=this.context.customGenerators.lookup(e);return t?t():[e]}}t.BaseRuleStore=a;class c{constructor(e,t){this.base=e,this._conditions=[],this.constraints=[],this.allCstr={},this.constraints.push(e),this.addCondition(e,t)}get conditions(){return this._conditions}addConstraint(e){if(this.constraints.filter((t=>t.equal(e))).length)return;this.constraints.push(e);const t=[];for(const[n,r]of this.conditions)this.base.equal(n)&&t.push([e,r]);this._conditions=this._conditions.concat(t)}addBaseCondition(e){this.addCondition(this.base,e)}addFullCondition(e){this.constraints.forEach((t=>this.addCondition(t,e)))}addCondition(e,t){const n=e.toString()+" "+t.toString();this.allCstr.condStr||(this.allCstr[n]=!0,this._conditions.push([e,t]))}}t.Condition=c},1462:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.BrailleStore=void 0;const r=n(4036),i=n(7478);class o extends i.MathStore{constructor(){super(...arguments),this.modality="braille",this.customTranscriptions={"\u22ca":"\u2808\u2821\u2833"}}evaluateString(e){const t=[],n=Array.from(e);for(let e=0;ee.push(this.getProperty(t).slice()))),e}toString(){const e=[];return this.order.forEach((t=>e.push(t+": "+this.getProperty(t).toString()))),e.join("\n")}}t.DynamicProperties=r;class i extends r{constructor(e,t){const n={};for(const[t,r]of Object.entries(e))n[t]=[r];super(n,t),this.components=e}static createCstr(...e){const t=i.DEFAULT_ORDER,n={};for(let r=0,i=e.length,o=t.length;r{const n=t.indexOf(e);return-1!==n&&t.splice(n,1)}))}getComponents(){return this.components}getValue(e){return this.components[e]}getValues(){return this.order.map((e=>this.getValue(e)))}allProperties(){const e=super.allProperties();for(let t,n,r=0;t=e[r],n=this.order[r];r++){const e=this.getValue(n);-1===t.indexOf(e)&&t.unshift(e)}return e}toString(){return this.getValues().join(".")}equal(e){const t=e.getAxes();if(this.order.length!==t.length)return!1;for(let n,r=0;n=t[r];r++){const t=this.getValue(n);if(!t||e.getValue(n)!==t)return!1}return!0}}t.DynamicCstr=i,i.DEFAULT_ORDER=[n.LOCALE,n.MODALITY,n.DOMAIN,n.STYLE,n.TOPIC],i.BASE_LOCALE="base",i.DEFAULT_VALUE="default",i.DEFAULT_VALUES={[n.LOCALE]:"en",[n.DOMAIN]:i.DEFAULT_VALUE,[n.STYLE]:i.DEFAULT_VALUE,[n.TOPIC]:i.DEFAULT_VALUE,[n.MODALITY]:"speech"};t.DynamicCstrParser=class{constructor(e){this.order=e}parse(e){const t=e.split("."),n={};if(t.length>this.order.length)throw new Error("Invalid dynamic constraint: "+n);let r=0;for(let e,i=0;e=this.order[i],t.length;i++,r++){const r=t.shift();n[e]=r}return new i(n,this.order.slice(0,r))}};t.DefaultComparator=class{constructor(e,t=new r(e.getProperties(),e.getOrder())){this.reference=e,this.fallback=t,this.order=this.reference.getOrder()}getReference(){return this.reference}setReference(e,t){this.reference=e,this.fallback=t||new r(e.getProperties(),e.getOrder()),this.order=this.reference.getOrder()}match(e){const t=e.getAxes();return t.length===this.reference.getAxes().length&&t.every((t=>{const n=e.getValue(t);return n===this.reference.getValue(t)||-1!==this.fallback.getProperty(t).indexOf(n)}))}compare(e,t){let n=!1;for(let r,i=0;r=this.order[i];i++){const i=e.getValue(r),o=t.getValue(r);if(!n){const e=this.reference.getValue(r);if(e===i&&e!==o)return-1;if(e===o&&e!==i)return 1;if(e===i&&e===o)continue;e!==i&&e!==o&&(n=!0)}const s=this.fallback.getProperty(r),a=s.indexOf(i),c=s.indexOf(o);if(a!h.equal(e.cstr))),c.push(m),this.rules.set(t,c),p.setReference(f)}lookupRule(e,t){let n=this.getRules(t.getValue(i.Axis.LOCALE));return n=n.filter((function(e){return o.testDynamicConstraints_(t,e)})),1===n.length?n[0]:n.length?n.sort(((e,t)=>r.default.getInstance().comparator.compare(e.cstr,t.cstr)))[0]:null}}t.MathSimpleStore=o},7478:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.MathStore=void 0;const r=n(1426),i=n(4524),o=n(4036),s=n(1970),a=n(7039);class c extends s.BaseRuleStore{constructor(){super(),this.annotators=[],this.parseMethods.Alias=this.defineAlias,this.parseMethods.SpecializedRule=this.defineSpecializedRule,this.parseMethods.Specialized=this.defineSpecialized}initialize(){this.initialized||(this.annotations(),this.initialized=!0)}annotations(){for(let e,t=0;e=this.annotators[t];t++)(0,o.activate)(this.domain,e)}defineAlias(e,t,...n){const r=this.parsePrecondition(t,n);if(!r)return void console.error(`Precondition Error: ${t} ${n}`);const i=this.preconditions.get(e);i?i.addFullCondition(r):console.error(`Alias Error: No precondition by the name of ${e}`)}defineRulesAlias(e,t,...n){const r=this.findAllRules((function(t){return t.name===e}));if(0===r.length)throw new a.OutputError("Rule with name "+e+" does not exist.");const i=[];r.forEach((e=>{(e=>{const t=e.dynamicCstr.toString(),n=e.action.toString();for(let e,r=0;e=i[r];r++)if(e.action===n&&e.cstr===t)return!1;return i.push({cstr:t,action:n}),!0})(e)&&this.addAlias_(e,t,n)}))}defineSpecializedRule(e,t,n,r){const i=this.parseCstr(t),o=this.findRule((t=>t.name===e&&i.equal(t.dynamicCstr))),s=this.parseCstr(n);if(!o&&r)throw new a.OutputError("Rule named "+e+" with style "+t+" does not exist.");const c=r?a.Action.fromString(r):o.action,l=new a.SpeechRule(o.name,s,o.precondition,c);this.addRule(l)}defineSpecialized(e,t,n){const r=this.parseCstr(n);if(!r)return void console.error(`Dynamic Constraint Error: ${n}`);const i=this.preconditions.get(e);i?i.addConstraint(r):console.error(`Alias Error: No precondition by the name of ${e}`)}evaluateString(e){const t=[];if(e.match(/^\s+$/))return t;let n=this.matchNumber_(e);if(n&&n.length===e.length)return t.push(this.evaluateCharacter(n.number)),t;const o=r.removeEmpty(e.replace(/\s/g," ").split(" "));for(let e,r=0;e=o[r];r++)if(1===e.length)t.push(this.evaluateCharacter(e));else if(e.match(new RegExp("^["+i.LOCALE.MESSAGES.regexp.TEXT+"]+$")))t.push(this.evaluateCharacter(e));else{let r=e;for(;r;){n=this.matchNumber_(r);const e=r.match(new RegExp("^["+i.LOCALE.MESSAGES.regexp.TEXT+"]+"));if(n)t.push(this.evaluateCharacter(n.number)),r=r.substring(n.length);else if(e)t.push(this.evaluateCharacter(e[0])),r=r.substring(e[0].length);else{const e=Array.from(r),n=e[0];t.push(this.evaluateCharacter(n)),r=e.slice(1).join("")}}}return t}parse(e){super.parse(e),this.annotators=e.annotators||[]}addAlias_(e,t,n){const r=this.parsePrecondition(t,n),i=new a.SpeechRule(e.name,e.dynamicCstr,r,e.action);i.name=e.name,this.addRule(i)}matchNumber_(e){const t=e.match(new RegExp("^"+i.LOCALE.MESSAGES.regexp.NUMBER)),n=e.match(new RegExp("^"+c.regexp.NUMBER));if(!t&&!n)return null;const r=n&&n[0]===e;if(t&&t[0]===e||!r)return t?{number:t[0],length:t[0].length}:null;return{number:n[0].replace(new RegExp(c.regexp.DIGIT_GROUP,"g"),"X").replace(new RegExp(c.regexp.DECIMAL_MARK,"g"),i.LOCALE.MESSAGES.regexp.DECIMAL_MARK).replace(/X/g,i.LOCALE.MESSAGES.regexp.DIGIT_GROUP.replace(/\\/g,"")),length:n[0].length}}}t.MathStore=c,c.regexp={NUMBER:"((\\d{1,3})(?=(,| ))((,| )\\d{3})*(\\.\\d+)?)|^\\d*\\.\\d+|^\\d+",DECIMAL_MARK:"\\.",DIGIT_GROUP:","}},7039:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.OutputError=t.Precondition=t.Action=t.Component=t.ActionType=t.SpeechRule=void 0;const r=n(4886),i=n(1058);var o;function s(e){switch(e){case"[n]":return o.NODE;case"[m]":return o.MULTI;case"[t]":return o.TEXT;case"[p]":return o.PERSONALITY;default:throw"Parse error: "+e}}t.SpeechRule=class{constructor(e,t,n,r){this.name=e,this.dynamicCstr=t,this.precondition=n,this.action=r,this.context=null}toString(){return this.name+" | "+this.dynamicCstr.toString()+" | "+this.precondition.toString()+" ==> "+this.action.toString()}},function(e){e.NODE="NODE",e.MULTI="MULTI",e.TEXT="TEXT",e.PERSONALITY="PERSONALITY"}(o=t.ActionType||(t.ActionType={}));class a{constructor({type:e,content:t,attributes:n,grammar:r}){this.type=e,this.content=t,this.attributes=n,this.grammar=r}static grammarFromString(e){return i.Grammar.parseInput(e)}static fromString(e){const t={type:s(e.substring(0,3))};let n=e.slice(3).trim();if(!n)throw new u("Missing content.");switch(t.type){case o.TEXT:if('"'===n[0]){const e=d(n,"\\(")[0].trim();if('"'!==e.slice(-1))throw new u("Invalid string syntax.");t.content=e,n=n.slice(e.length).trim(),-1===n.indexOf("(")&&(n="");break}case o.NODE:case o.MULTI:{const e=n.indexOf(" (");if(-1===e){t.content=n.trim(),n="";break}t.content=n.substring(0,e).trim(),n=n.slice(e).trim()}}if(n){const e=a.attributesFromString(n);e.grammar&&(t.grammar=e.grammar,delete e.grammar),Object.keys(e).length&&(t.attributes=e)}return new a(t)}static attributesFromString(e){if("("!==e[0]||")"!==e.slice(-1))throw new u("Invalid attribute expression: "+e);const t={},n=d(e.slice(1,-1),",");for(let e=0,r=n.length;e0?"("+e.join(", ")+")":""}getAttributes(){const e=[];for(const t in this.attributes){const n=this.attributes[t];"true"===n?e.push(t):e.push(t+":"+n)}return e}}t.Component=a;class c{constructor(e){this.components=e}static fromString(e){const t=d(e,";").filter((function(e){return e.match(/\S/)})).map((function(e){return e.trim()})),n=[];for(let e=0,r=t.length;e0?n[0]:null}applyConstraint(e,t){return!!this.applyQuery(e,t)||r.evaluateBoolean(t,e)}constructString(e,t){if(!t)return"";if('"'===t.charAt(0))return t.slice(1,-1);const n=this.customStrings.lookup(t);return n?n(e):r.evaluateString(t,e)}parse(e){const t=Array.isArray(e)?e:Object.entries(e);for(let e,n=0;e=t[n];n++){switch(e[0].slice(0,3)){case"CQF":this.customQueries.add(e[0],e[1]);break;case"CSF":this.customStrings.add(e[0],e[1]);break;case"CTF":this.contextFunctions.add(e[0],e[1]);break;case"CGF":this.customGenerators.add(e[0],e[1]);break;default:console.error("FunctionError: Invalid function name "+e[0])}}}}},6060:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.storeFactory=t.SpeechRuleEngine=void 0;const r=n(4148),i=n(1984),o=n(6671),s=n(4886),a=n(4998),c=n(5024),l=n(7278),u=n(9805),d=n(1462),h=n(8310),p=n(1058),f=n(7478),m=n(7039),g=n(2803);class S{constructor(){this.trie=null,this.evaluators_={},this.trie=new g.Trie}static getInstance(){return S.instance=S.instance||new S,S.instance}static debugSpeechRule(e,t){const n=e.precondition,r=e.context.applyQuery(t,n.query);i.Debugger.getInstance().output(n.query,r?r.toString():r),n.constraints.forEach((n=>i.Debugger.getInstance().output(n,e.context.applyConstraint(t,n))))}static debugNamedSpeechRule(e,t){const n=S.getInstance().trie.collectRules().filter((t=>t.name==e));for(let r,o=0;r=n[o];o++)i.Debugger.getInstance().output("Rule",e,"DynamicCstr:",r.dynamicCstr.toString(),"number",o),S.debugSpeechRule(r,t)}evaluateNode(e){(0,c.updateEvaluator)(e);const t=(new Date).getTime();let n=[];try{n=this.evaluateNode_(e)}catch(e){console.error("Something went wrong computing speech."),i.Debugger.getInstance().output(e)}const r=(new Date).getTime();return i.Debugger.getInstance().output("Time:",r-t),n}toString(){return this.trie.collectRules().map((e=>e.toString())).join("\n")}runInSetting(e,t){const n=s.default.getInstance(),r={};for(const t in e)r[t]=n[t],n[t]=e[t];n.setDynamicCstr();const i=t();for(const e in r)n[e]=r[e];return n.setDynamicCstr(),i}addStore(e){const t=N(e);"abstract"!==t.kind&&t.getSpeechRules().forEach((e=>this.trie.addRule(e))),this.addEvaluator(t)}processGrammar(e,t,n){const r={};for(const i in n){const o=n[i];r[i]="string"==typeof o?e.constructString(t,o):o}p.Grammar.getInstance().pushState(r)}addEvaluator(e){const t=e.evaluateDefault.bind(e),n=this.evaluators_[e.locale];if(n)return void(n[e.modality]=t);const r={};r[e.modality]=t,this.evaluators_[e.locale]=r}getEvaluator(e,t){const n=this.evaluators_[e]||this.evaluators_[h.DynamicCstr.DEFAULT_VALUES[h.Axis.LOCALE]];return n[t]||n[h.DynamicCstr.DEFAULT_VALUES[h.Axis.MODALITY]]}enumerate(e){return this.trie.enumerate(e)}evaluateNode_(e){return e?(this.updateConstraint_(),this.evaluateTree_(e)):[]}evaluateTree_(e){const t=s.default.getInstance();let n;i.Debugger.getInstance().output(t.mode!==a.Mode.HTTP?e.toString():e),p.Grammar.getInstance().setAttribute(e);const o=this.lookupRule(e,t.dynamicCstr);if(!o)return t.strict?[]:(n=this.getEvaluator(t.locale,t.modality)(e),e.attributes&&this.addPersonality_(n,{},!1,e),n);i.Debugger.getInstance().generateOutput((()=>["Apply Rule:",o.name,o.dynamicCstr.toString(),(t.mode,a.Mode.HTTP,e).toString()]));const l=o.context,u=o.action.components;n=[];for(let t,i=0;t=u[i];i++){let i=[];const o=t.content||"",a=t.attributes||{};let u=!1;t.grammar&&this.processGrammar(l,e,t.grammar);let d=null;if(a.engine){d=s.default.getInstance().dynamicCstr.getComponents();const e=p.Grammar.parseInput(a.engine);s.default.getInstance().setDynamicCstr(e)}switch(t.type){case m.ActionType.NODE:{const t=l.applyQuery(e,o);t&&(i=this.evaluateTree_(t))}break;case m.ActionType.MULTI:{u=!0;const t=l.applySelector(e,o);t.length>0&&(i=this.evaluateNodeList_(l,t,a.sepFunc,l.constructString(e,a.separator),a.ctxtFunc,l.constructString(e,a.context)))}break;case m.ActionType.TEXT:{const t=a.span,n={};if(t){const r=(0,c.evalXPath)(t,e);r.length&&(n.extid=r[0].getAttribute("extid"))}const s=l.constructString(e,o);(s||""===s)&&(i=Array.isArray(s)?s.map((function(e){return r.AuditoryDescription.create({text:e.speech,attributes:e.attributes},{adjust:!0})})):[r.AuditoryDescription.create({text:s,attributes:n},{adjust:!0})])}break;case m.ActionType.PERSONALITY:default:i=[r.AuditoryDescription.create({text:o})]}i[0]&&!u&&(a.context&&(i[0].context=l.constructString(e,a.context)+(i[0].context||"")),a.annotation&&(i[0].annotation=a.annotation)),this.addLayout(i,a,u),t.grammar&&p.Grammar.getInstance().popState(),n=n.concat(this.addPersonality_(i,a,u,e)),d&&s.default.getInstance().setDynamicCstr(d)}return n}evaluateNodeList_(e,t,n,i,o,s){if(!t.length)return[];const a=i||"",c=s||"",l=e.contextFunctions.lookup(o),u=l?l(t,c):function(){return c},d=e.contextFunctions.lookup(n),h=d?d(t,a):function(){return[r.AuditoryDescription.create({text:a},{translate:!0})]};let p=[];for(let e,n=0;e=t[n];n++){const r=this.evaluateTree_(e);if(r.length>0&&(r[0].context=u()+(r[0].context||""),p=p.concat(r),n=0;t--){const r=n[t].name;!e.attributes[r]&&r.match(/^ext/)&&(e.attributes[r]=n[t].value)}}}addRelativePersonality_(e,t){if(!e.personality)return e.personality=t,e;const n=e.personality;for(const e in t)n[e]&&"number"==typeof n[e]&&"number"==typeof t[e]?n[e]=n[e]+t[e]:n[e]||(n[e]=t[e]);return e}updateConstraint_(){const e=s.default.getInstance().dynamicCstr,t=s.default.getInstance().strict,n=this.trie,r={};let i=e.getValue(h.Axis.LOCALE),o=e.getValue(h.Axis.MODALITY),a=e.getValue(h.Axis.DOMAIN);n.hasSubtrie([i,o,a])||(a=h.DynamicCstr.DEFAULT_VALUES[h.Axis.DOMAIN],n.hasSubtrie([i,o,a])||(o=h.DynamicCstr.DEFAULT_VALUES[h.Axis.MODALITY],n.hasSubtrie([i,o,a])||(i=h.DynamicCstr.DEFAULT_VALUES[h.Axis.LOCALE]))),r[h.Axis.LOCALE]=[i],r[h.Axis.MODALITY]=["summary"!==o?o:h.DynamicCstr.DEFAULT_VALUES[h.Axis.MODALITY]],r[h.Axis.DOMAIN]=["speech"!==o?h.DynamicCstr.DEFAULT_VALUES[h.Axis.DOMAIN]:a];const c=e.getOrder();for(let n,i=0;n=c[i];i++)if(!r[n]){const 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a.SemanticTreeHeuristic("simpleNamedFunction",(e=>("unit"!==e.role&&-1!==["f","g","h","F","G","H"].indexOf(e.textContent)&&(e.role="simple function"),e)),(e=>"clearspeak"===i.default.getInstance().domain))),s.add(new a.SemanticTreeHeuristic("propagateComposedFunction",(e=>("fenced"===e.type&&"composed function"===e.childNodes[0].role&&(e.role="composed function"),e)),(e=>"clearspeak"===i.default.getInstance().domain))),s.add(new a.SemanticTreeHeuristic("multioperator",(e=>{if("unknown"!==e.role||e.textContent.length<=1)return;const t=[...e.textContent].map(o.lookupMeaning).reduce((function(e,t){return e&&t.role&&"unknown"!==t.role&&t.role!==e?"unknown"===e?t.role:null:e}),"unknown");t&&(e.role=t)}))),s.add(new a.SemanticMultiHeuristic("convert_juxtaposition",(e=>{let t=u.partitionNodes(e,(function(e){return e.textContent===o.invisibleTimes()&&"operator"===e.type}));t=t.rel.length?function(e){const t=[],n=[];let r=e.comp.shift(),i=null,o=[];for(;e.comp.length;)if(o=[],r.length)i&&t.push(i),n.push(r),i=e.rel.shift(),r=e.comp.shift();else{for(i&&o.push(i);!r.length&&e.comp.length;)r=e.comp.shift(),o.push(e.rel.shift());i=d(o,r,n)}o.length||r.length?(t.push(i),n.push(r)):(o.push(i),d(o,r,n));return{rel:t,comp:n}}(t):t,e=t.comp[0];for(let n,r,i=1;n=t.comp[i],r=t.rel[i-1];i++)e.push(r),e=e.concat(n);return t=u.partitionNodes(e,(function(e){return e.textContent===o.invisibleTimes()&&("operator"===e.type||"infixop"===e.type)})),t.rel.length?h(t.comp.shift(),t.rel,t.comp):e}))),s.add(new a.SemanticTreeHeuristic("simple2prefix",(e=>(e.textContent.length>1&&!e.textContent[0].match(/[A-Z]/)&&(e.role="prefix function"),e)),(e=>"braille"===i.default.getInstance().modality&&"identifier"===e.type))),s.add(new a.SemanticTreeHeuristic("detect_cycle",(e=>{e.type="matrix",e.role="cycle";const t=e.childNodes[0];return t.type="row",t.role="cycle",t.textContent="",t.contentNodes=[],e}),(e=>"fenced"===e.type&&"infixop"===e.childNodes[0].type&&"implicit"===e.childNodes[0].role&&e.childNodes[0].childNodes.every((function(e){return"number"===e.type}))&&e.childNodes[0].contentNodes.every((function(e){return"space"===e.role})))))},8122:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.SemanticMathml=void 0;const r=n(6671),i=n(6098),o=n(6161),s=n(7793),a=n(8901);class c extends i.SemanticAbstractParser{constructor(){super("MathML"),this.parseMap_={SEMANTICS:this.semantics_.bind(this),MATH:this.rows_.bind(this),MROW:this.rows_.bind(this),MPADDED:this.rows_.bind(this),MSTYLE:this.rows_.bind(this),MFRAC:this.fraction_.bind(this),MSUB:this.limits_.bind(this),MSUP:this.limits_.bind(this),MSUBSUP:this.limits_.bind(this),MOVER:this.limits_.bind(this),MUNDER:this.limits_.bind(this),MUNDEROVER:this.limits_.bind(this),MROOT:this.root_.bind(this),MSQRT:this.sqrt_.bind(this),MTABLE:this.table_.bind(this),MLABELEDTR:this.tableLabeledRow_.bind(this),MTR:this.tableRow_.bind(this),MTD:this.tableCell_.bind(this),MS:this.text_.bind(this),MTEXT:this.text_.bind(this),MSPACE:this.space_.bind(this),"ANNOTATION-XML":this.text_.bind(this),MI:this.identifier_.bind(this),MN:this.number_.bind(this),MO:this.operator_.bind(this),MFENCED:this.fenced_.bind(this),MENCLOSE:this.enclosed_.bind(this),MMULTISCRIPTS:this.multiscripts_.bind(this),ANNOTATION:this.empty_.bind(this),NONE:this.empty_.bind(this),MACTION:this.action_.bind(this)};const e={type:"identifier",role:"numbersetletter",font:"double-struck"};["C","H","N","P","Q","R","Z","\u2102","\u210d","\u2115","\u2119","\u211a","\u211d","\u2124"].forEach((t=>this.getFactory().defaultMap.add(t,e)).bind(this))}static getAttribute_(e,t,n){if(!e.hasAttribute(t))return n;const r=e.getAttribute(t);return r.match(/^\s*$/)?null:r}parse(e){s.default.getInstance().setNodeFactory(this.getFactory());const t=r.toArray(e.childNodes),n=r.tagName(e),i=this.parseMap_[n],o=(i||this.dummy_.bind(this))(e,t);return a.addAttributes(o,e),-1!==["MATH","MROW","MPADDED","MSTYLE","SEMANTICS"].indexOf(n)||(o.mathml.unshift(e),o.mathmlTree=e),o}semantics_(e,t){return t.length?this.parse(t[0]):this.getFactory().makeEmptyNode()}rows_(e,t){const n=e.getAttribute("semantics");if(n&&n.match("bspr_"))return s.default.proof(e,n,this.parseList.bind(this));let r;return 1===(t=a.purgeNodes(t)).length?(r=this.parse(t[0]),"empty"!==r.type||r.mathmlTree||(r.mathmlTree=e)):r=s.default.getInstance().row(this.parseList(t)),r.mathml.unshift(e),r}fraction_(e,t){if(!t.length)return this.getFactory().makeEmptyNode();const n=this.parse(t[0]),r=t[1]?this.parse(t[1]):this.getFactory().makeEmptyNode();return s.default.getInstance().fractionLikeNode(n,r,e.getAttribute("linethickness"),"true"===e.getAttribute("bevelled"))}limits_(e,t){return s.default.getInstance().limitNode(r.tagName(e),this.parseList(t))}root_(e,t){return t[1]?this.getFactory().makeBranchNode("root",[this.parse(t[1]),this.parse(t[0])],[]):this.sqrt_(e,t)}sqrt_(e,t){const n=this.parseList(a.purgeNodes(t));return this.getFactory().makeBranchNode("sqrt",[s.default.getInstance().row(n)],[])}table_(e,t){const n=e.getAttribute("semantics");if(n&&n.match("bspr_"))return s.default.proof(e,n,this.parseList.bind(this));const r=this.getFactory().makeBranchNode("table",this.parseList(t),[]);return r.mathmlTree=e,s.default.tableToMultiline(r),r}tableRow_(e,t){const n=this.getFactory().makeBranchNode("row",this.parseList(t),[]);return n.role="table",n}tableLabeledRow_(e,t){if(!t.length)return this.tableRow_(e,t);const n=this.parse(t[0]);n.role="label";const r=this.getFactory().makeBranchNode("row",this.parseList(t.slice(1)),[n]);return r.role="table",r}tableCell_(e,t){const n=this.parseList(a.purgeNodes(t));let r;r=n.length?1===n.length&&o.isType(n[0],"empty")?n:[s.default.getInstance().row(n)]:[];const i=this.getFactory().makeBranchNode("cell",r,[]);return i.role="table",i}space_(e,t){const n=e.getAttribute("width"),i=n&&n.match(/[a-z]*$/);if(!i)return this.empty_(e,t);const o=i[0],a=parseFloat(n.slice(0,i.index)),c={cm:.4,pc:.5,em:.5,ex:1,in:.15,pt:5,mm:5}[o];if(!c||isNaN(a)||a1?this.parse(t[1]):this.getFactory().makeUnprocessed(e)}dummy_(e,t){const n=this.getFactory().makeUnprocessed(e);return n.role=e.tagName,n.textContent=e.textContent,n}leaf_(e,t){if(1===t.length&&t[0].nodeType!==r.NodeType.TEXT_NODE){const n=this.getFactory().makeUnprocessed(e);return n.role=t[0].tagName,a.addAttributes(n,t[0]),n}return this.getFactory().makeLeafNode(e.textContent,s.default.getInstance().font(e.getAttribute("mathvariant")))}}t.SemanticMathml=c},9444:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.SemanticNode=void 0;const r=n(6671),i=n(4020),o=n(8901);class s{constructor(e){this.id=e,this.mathml=[],this.parent=null,this.type="unknown",this.role="unknown",this.font="unknown",this.embellished=null,this.fencePointer="",this.childNodes=[],this.textContent="",this.mathmlTree=null,this.contentNodes=[],this.annotation={},this.attributes={},this.nobreaking=!1}static fromXml(e){const t=parseInt(e.getAttribute("id"),10),n=new s(t);return n.type=e.tagName,s.setAttribute(n,e,"role"),s.setAttribute(n,e,"font"),s.setAttribute(n,e,"embellished"),s.setAttribute(n,e,"fencepointer","fencePointer"),e.getAttribute("annotation")&&n.parseAnnotation(e.getAttribute("annotation")),o.addAttributes(n,e),s.processChildren(n,e),n}static setAttribute(e,t,n,r){r=r||n;const i=t.getAttribute(n);i&&(e[r]=i)}static processChildren(e,t){for(const n of r.toArray(t.childNodes)){if(n.nodeType===r.NodeType.TEXT_NODE){e.textContent=n.textContent;continue}const t=r.toArray(n.childNodes).map(s.fromXml);t.forEach((t=>t.parent=e)),"CONTENT"===r.tagName(n)?e.contentNodes=t:e.childNodes=t}}querySelectorAll(e){let t=[];for(let n,r=0;n=this.childNodes[r];r++)t=t.concat(n.querySelectorAll(e));for(let n,r=0;n=this.contentNodes[r];r++)t=t.concat(n.querySelectorAll(e));return e(this)&&t.unshift(this),t}xml(e,t){const n=function(n,r){const i=r.map((function(n){return n.xml(e,t)})),o=e.createElementNS("",n);for(let e,t=0;e=i[t];t++)o.appendChild(e);return o},r=e.createElementNS("",this.type);return t||this.xmlAttributes(r),r.textContent=this.textContent,this.contentNodes.length>0&&r.appendChild(n("content",this.contentNodes)),this.childNodes.length>0&&r.appendChild(n("children",this.childNodes)),r}toString(e=!1){const t=r.parseInput("");return r.serializeXml(this.xml(t,e))}allAttributes(){const e=[];return e.push(["role",this.role]),"unknown"!==this.font&&e.push(["font",this.font]),Object.keys(this.annotation).length&&e.push(["annotation",this.xmlAnnotation()]),this.embellished&&e.push(["embellished",this.embellished]),this.fencePointer&&e.push(["fencepointer",this.fencePointer]),e.push(["id",this.id.toString()]),e}xmlAnnotation(){const e=[];for(const t in this.annotation)this.annotation[t].forEach((function(n){e.push(t+":"+n)}));return e.join(";")}toJson(){const e={};e.type=this.type;const t=this.allAttributes();for(let n,r=0;n=t[r];r++)e[n[0]]=n[1].toString();return this.textContent&&(e.$t=this.textContent),this.childNodes.length&&(e.children=this.childNodes.map((function(e){return e.toJson()}))),this.contentNodes.length&&(e.content=this.contentNodes.map((function(e){return e.toJson()}))),e}updateContent(e,t){const n=t?e.replace(/^[ \f\n\r\t\v\u200b]*/,"").replace(/[ \f\n\r\t\v\u200b]*$/,""):e.trim();if(e=e&&!n?e:n,this.textContent===e)return;const r=(0,i.lookupMeaning)(e);this.textContent=e,this.role=r.role,this.type=r.type,this.font=r.font}addMathmlNodes(e){for(let t,n=0;t=e[n];n++)-1===this.mathml.indexOf(t)&&this.mathml.push(t)}appendChild(e){this.childNodes.push(e),this.addMathmlNodes(e.mathml),e.parent=this}replaceChild(e,t){const n=this.childNodes.indexOf(e);if(-1===n)return;e.parent=null,t.parent=this,this.childNodes[n]=t;const r=e.mathml.filter((function(e){return-1===t.mathml.indexOf(e)})),i=t.mathml.filter((function(t){return-1===e.mathml.indexOf(t)}));this.removeMathmlNodes(r),this.addMathmlNodes(i)}appendContentNode(e){e&&(this.contentNodes.push(e),this.addMathmlNodes(e.mathml),e.parent=this)}removeContentNode(e){if(e){const t=this.contentNodes.indexOf(e);-1!==t&&this.contentNodes.slice(t,1)}}equals(e){if(!e)return!1;if(this.type!==e.type||this.role!==e.role||this.textContent!==e.textContent||this.childNodes.length!==e.childNodes.length||this.contentNodes.length!==e.contentNodes.length)return!1;for(let t,n,r=0;t=this.childNodes[r],n=e.childNodes[r];r++)if(!t.equals(n))return!1;for(let t,n,r=0;t=this.contentNodes[r],n=e.contentNodes[r];r++)if(!t.equals(n))return!1;return!0}displayTree(){console.info(this.displayTree_(0))}addAnnotation(e,t){t&&this.addAnnotation_(e,t)}getAnnotation(e){const t=this.annotation[e];return t||[]}hasAnnotation(e,t){const n=this.annotation[e];return!!n&&-1!==n.indexOf(t)}parseAnnotation(e){const t=e.split(";");for(let e=0,n=t.length;e1)return!1;const n=t[0];if("infixop"===n.type){if("implicit"!==n.role)return!1;if(n.childNodes.some((e=>o(e,"infixop"))))return!1}return!0},t.isPrefixFunctionBoundary=function(e){return l(e)&&!a(e,"division")||o(e,"appl")||c(e)},t.isBigOpBoundary=function(e){return l(e)||c(e)},t.isIntegralDxBoundary=function(e,t){return!!t&&o(t,"identifier")&&r.lookupSecondary("d",e.textContent)},t.isIntegralDxBoundarySingle=function(e){if(o(e,"identifier")){const t=e.textContent[0];return t&&e.textContent[1]&&r.lookupSecondary("d",t)}return!1},t.isGeneralFunctionBoundary=c,t.isEmbellished=function(e){return e.embellished?e.embellished:r.isEmbellishedType(e.type)?e.type:null},t.isOperator=l,t.isRelation=u,t.isPunctuation=d,t.isFence=h,t.isElligibleEmbellishedFence=function(e){return!(!e||!h(e))&&(!e.embellished||p(e))},t.isTableOrMultiline=f,t.tableIsMatrixOrVector=function(e){return!!e&&m(e)&&f(e.childNodes[0])},t.isFencedElement=m,t.tableIsCases=function(e,t){return t.length>0&&a(t[t.length-1],"openfence")},t.tableIsMultiline=function(e){return e.childNodes.every((function(e){return e.childNodes.length<=1}))},t.lineIsLabelled=function(e){return o(e,"line")&&e.contentNodes.length&&a(e.contentNodes[0],"label")},t.isBinomial=function(e){return 2===e.childNodes.length},t.isLimitBase=function e(t){return o(t,"largeop")||o(t,"limboth")||o(t,"limlower")||o(t,"limupper")||o(t,"function")&&a(t,"limit function")||(o(t,"overscore")||o(t,"underscore"))&&e(t.childNodes[0])},t.isSimpleFunctionHead=function(e){return"identifier"===e.type||"latinletter"===e.role||"greekletter"===e.role||"otherletter"===e.role},t.singlePunctAtPosition=function(e,t,n){return 1===t.length&&("punctuation"===e[n].type||"punctuation"===e[n].embellished)&&e[n]===t[0]},t.isSimpleFunction=function(e){return o(e,"identifier")&&a(e,"simple function")},t.isLeftBrace=g,t.isRightBrace=S,t.isSetNode=function(e){return g(e.contentNodes[0])&&S(e.contentNodes[1])},t.illegalSingleton_=["punctuation","punctuated","relseq","multirel","table","multiline","cases","inference"],t.scriptedElement_=["limupper","limlower","limboth","subscript","superscript","underscore","overscore","tensor"],t.isSingletonSetContent=function e(n){const r=n.type;return-1===t.illegalSingleton_.indexOf(r)&&("infixop"!==r||"implicit"===n.role)&&("fenced"===r?"leftright"!==n.role||e(n.childNodes[0]):-1===t.scriptedElement_.indexOf(r)||e(n.childNodes[0]))},t.isNumber=b,t.isUnitCounter=function(e){return b(e)||"vulgar"===e.role||"mixed"===e.role},t.isPureUnit=function(e){const t=e.childNodes;return"unit"===e.role&&(!t.length||"unit"===t[0].role)},t.isImplicit=function(e){return"implicit"===e.role||"unit"===e.role&&!!e.contentNodes.length&&e.contentNodes[0].textContent===r.invisibleTimes()},t.isImplicitOp=function(e){return"infixop"===e.type&&"implicit"===e.role},t.isNeutralFence=N,t.compareNeutralFences=function(e,t){return N(e)&&N(t)&&(0,i.getEmbellishedInner)(e).textContent===(0,i.getEmbellishedInner)(t).textContent},t.elligibleLeftNeutral=function(e){return!!N(e)&&(!e.embellished||"superscript"!==e.type&&"subscript"!==e.type&&("tensor"!==e.type||"empty"===e.childNodes[3].type&&"empty"===e.childNodes[4].type))},t.elligibleRightNeutral=function(e){return!!N(e)&&(!e.embellished||("tensor"!==e.type||"empty"===e.childNodes[1].type&&"empty"===e.childNodes[2].type))},t.isMembership=function(e){return["element","nonelement","reelement","renonelement"].includes(e.role)}},7793:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0});const r=n(6671),i=n(4020),o=n(2721),s=n(4790),a=n(6161),c=n(8901);class l{constructor(){this.funcAppls={},this.factory_=new s.SemanticNodeFactory,o.updateFactory(this.factory_)}static getInstance(){return l.instance=l.instance||new l,l.instance}static tableToMultiline(e){if(a.tableIsMultiline(e)){e.type="multiline";for(let t,n=0;t=e.childNodes[n];n++)l.rowToLine_(t,"multiline");1===e.childNodes.length&&!a.lineIsLabelled(e.childNodes[0])&&a.isFencedElement(e.childNodes[0].childNodes[0])&&l.tableToMatrixOrVector_(l.rewriteFencedLine_(e)),l.binomialForm_(e),l.classifyMultiline(e)}else l.classifyTable(e)}static number(e){"unknown"!==e.type&&"identifier"!==e.type||(e.type="number"),l.numberRole_(e),l.exprFont_(e)}static classifyMultiline(e){let t=0;const n=e.childNodes.length;let r;for(;t=n)return;const i=r.childNodes[0].role;"unknown"!==i&&e.childNodes.every((function(e){const t=e.childNodes[0];return!t||t.role===i&&(a.isType(t,"relation")||a.isType(t,"relseq"))}))&&(e.role=i)}static classifyTable(e){const t=l.computeColumns_(e);l.classifyByColumns_(e,t,"equality")||l.classifyByColumns_(e,t,"inequality",["equality"])||l.classifyByColumns_(e,t,"arrow")||l.detectCaleyTable(e)}static detectCaleyTable(e){if(!e.mathmlTree)return!1;const t=e.mathmlTree,n=t.getAttribute("columnlines"),r=t.getAttribute("rowlines");return!(!n||!r)&&(!(!l.cayleySpacing(n)||!l.cayleySpacing(r))&&(e.role="cayley",!0))}static cayleySpacing(e){const t=e.split(" ");return("solid"===t[0]||"dashed"===t[0])&&t.slice(1).every((e=>"none"===e))}static proof(e,t,n){const r=l.separateSemantics(t);return l.getInstance().proof(e,r,n)}static findSemantics(e,t,n){const r=null==n?null:n,i=l.getSemantics(e);return!!i&&(!!i[t]&&(null==r||i[t]===r))}static getSemantics(e){const t=e.getAttribute("semantics");return t?l.separateSemantics(t):null}static removePrefix(e){const[,...t]=e.split("_");return t.join("_")}static separateSemantics(e){const t={};return e.split(";").forEach((function(e){const[n,r]=e.split(":");t[l.removePrefix(n)]=r})),t}static matchSpaces_(e,t){for(let n,r=0;n=t[r];r++){const t=e[r].mathmlTree,i=e[r+1].mathmlTree;if(!t||!i)continue;const o=t.nextSibling;if(!o||o===i)continue;const s=l.getSpacer_(o);s&&(n.mathml.push(s),n.mathmlTree=s,n.role="space")}}static getSpacer_(e){if("MSPACE"===r.tagName(e))return e;for(;c.hasEmptyTag(e)&&1===e.childNodes.length;)if(e=e.childNodes[0],"MSPACE"===r.tagName(e))return e;return null}static fenceToPunct_(e){const t=l.FENCE_TO_PUNCT_[e.role];if(t){for(;e.embellished;)e.embellished="punctuation",a.isRole(e,"subsup")||a.isRole(e,"underover")||(e.role=t),e=e.childNodes[0];e.type="punctuation",e.role=t}}static classifyFunction_(e,t){if("appl"===e.type||"bigop"===e.type||"integral"===e.type)return"";if(t[0]&&t[0].textContent===i.functionApplication()){l.getInstance().funcAppls[e.id]=t.shift();let n="simple function";return o.run("simple2prefix",e),"prefix function"!==e.role&&"limit function"!==e.role||(n=e.role),l.propagateFunctionRole_(e,n),"prefix"}const n=l.CLASSIFY_FUNCTION_[e.role];return n||(a.isSimpleFunctionHead(e)?"simple":"")}static propagateFunctionRole_(e,t){if(e){if("infixop"===e.type)return;a.isRole(e,"subsup")||a.isRole(e,"underover")||(e.role=t),l.propagateFunctionRole_(e.childNodes[0],t)}}static getFunctionOp_(e,t){if(t(e))return e;for(let n,r=0;n=e.childNodes[r];r++){const e=l.getFunctionOp_(n,t);if(e)return e}return null}static tableToMatrixOrVector_(e){const t=e.childNodes[0];a.isType(t,"multiline")?l.tableToVector_(e):l.tableToMatrix_(e),e.contentNodes.forEach(t.appendContentNode.bind(t));for(let e,n=0;e=t.childNodes[n];n++)l.assignRoleToRow_(e,l.getComponentRoles_(t));return t.parent=null,t}static tableToVector_(e){const t=e.childNodes[0];t.type="vector",1!==t.childNodes.length?l.binomialForm_(t):l.tableToSquare_(e)}static binomialForm_(e){a.isBinomial(e)&&(e.role="binomial",e.childNodes[0].role="binomial",e.childNodes[1].role="binomial")}static tableToMatrix_(e){const t=e.childNodes[0];t.type="matrix",t.childNodes&&t.childNodes.length>0&&t.childNodes[0].childNodes&&t.childNodes.length===t.childNodes[0].childNodes.length?l.tableToSquare_(e):t.childNodes&&1===t.childNodes.length&&(t.role="rowvector")}static tableToSquare_(e){const t=e.childNodes[0];a.isNeutralFence(e)?t.role="determinant":t.role="squarematrix"}static getComponentRoles_(e){const t=e.role;return t&&"unknown"!==t?t:e.type.toLowerCase()||"unknown"}static tableToCases_(e,t){for(let t,n=0;t=e.childNodes[n];n++)l.assignRoleToRow_(t,"cases");return e.type="cases",e.appendContentNode(t),a.tableIsMultiline(e)&&l.binomialForm_(e),e}static rewriteFencedLine_(e){const t=e.childNodes[0],n=e.childNodes[0].childNodes[0],r=e.childNodes[0].childNodes[0].childNodes[0];return n.parent=e.parent,e.parent=n,r.parent=t,n.childNodes=[e],t.childNodes=[r],n}static rowToLine_(e,t){const n=t||"unknown";a.isType(e,"row")&&(e.type="line",e.role=n,1===e.childNodes.length&&a.isType(e.childNodes[0],"cell")&&(e.childNodes=e.childNodes[0].childNodes,e.childNodes.forEach((function(t){t.parent=e}))))}static assignRoleToRow_(e,t){a.isType(e,"line")?e.role=t:a.isType(e,"row")&&(e.role=t,e.childNodes.forEach((function(e){a.isType(e,"cell")&&(e.role=t)})))}static nextSeparatorFunction_(e){let t;if(e){if(e.match(/^\s+$/))return null;t=e.replace(/\s/g,"").split("").filter((function(e){return e}))}else t=[","];return function(){return t.length>1?t.shift():t[0]}}static numberRole_(e){if("unknown"!==e.role)return;const t=[...e.textContent].filter((e=>e.match(/[^\s]/))),n=t.map(i.lookupMeaning);if(n.every((function(e){return"number"===e.type&&"integer"===e.role||"punctuation"===e.type&&"comma"===e.role})))return e.role="integer",void("0"===t[0]&&e.addAnnotation("general","basenumber"));n.every((function(e){return"number"===e.type&&"integer"===e.role||"punctuation"===e.type}))?e.role="float":e.role="othernumber"}static exprFont_(e){if("unknown"!==e.font)return;const t=[...e.textContent].map(i.lookupMeaning).reduce((function(e,t){return e&&t.font&&"unknown"!==t.font&&t.font!==e?"unknown"===e?t.font:null:e}),"unknown");t&&(e.font=t)}static purgeFences_(e){const t=e.rel,n=e.comp,r=[],i=[];for(;t.length>0;){const e=t.shift();let o=n.shift();a.isElligibleEmbellishedFence(e)?(r.push(e),i.push(o)):(l.fenceToPunct_(e),o.push(e),o=o.concat(n.shift()),n.unshift(o))}return i.push(n.shift()),{rel:r,comp:i}}static rewriteFencedNode_(e){const t=e.contentNodes[0],n=e.contentNodes[1];let r=l.rewriteFence_(e,t);return e.contentNodes[0]=r.fence,r=l.rewriteFence_(r.node,n),e.contentNodes[1]=r.fence,e.contentNodes[0].parent=e,e.contentNodes[1].parent=e,r.node.parent=null,r.node}static rewriteFence_(e,t){if(!t.embellished)return{node:e,fence:t};const n=t.childNodes[0],r=l.rewriteFence_(e,n);return a.isType(t,"superscript")||a.isType(t,"subscript")||a.isType(t,"tensor")?(a.isRole(t,"subsup")||(t.role=e.role),n!==r.node&&(t.replaceChild(n,r.node),n.parent=e),l.propagateFencePointer_(t,n),{node:t,fence:r.fence}):(t.replaceChild(n,r.fence),t.mathmlTree&&-1===t.mathml.indexOf(t.mathmlTree)&&t.mathml.push(t.mathmlTree),{node:r.node,fence:t})}static propagateFencePointer_(e,t){e.fencePointer=t.fencePointer||t.id.toString(),e.embellished=null}static classifyByColumns_(e,t,n,r){return!!(3===t.length&&l.testColumns_(t,1,(e=>l.isPureRelation_(e,n)))||2===t.length&&(l.testColumns_(t,1,(e=>l.isEndRelation_(e,n)||l.isPureRelation_(e,n)))||l.testColumns_(t,0,(e=>l.isEndRelation_(e,n,!0)||l.isPureRelation_(e,n)))))&&(e.role=n,!0)}static isEndRelation_(e,t,n){const r=n?e.childNodes.length-1:0;return a.isType(e,"relseq")&&a.isRole(e,t)&&a.isType(e.childNodes[r],"empty")}static isPureRelation_(e,t){return a.isType(e,"relation")&&a.isRole(e,t)}static computeColumns_(e){const t=[];for(let n,r=0;n=e.childNodes[r];r++)for(let e,r=0;e=n.childNodes[r];r++){t[r]?t[r].push(e):t[r]=[e]}return t}static testColumns_(e,t,n){const r=e[t];return!!r&&(r.some((function(e){return e.childNodes.length&&n(e.childNodes[0])}))&&r.every((function(e){return!e.childNodes.length||n(e.childNodes[0])})))}setNodeFactory(e){l.getInstance().factory_=e,o.updateFactory(l.getInstance().factory_)}getNodeFactory(){return l.getInstance().factory_}identifierNode(e,t,n){if("MathML-Unit"===n)e.type="identifier",e.role="unit";else if(!t&&1===e.textContent.length&&("integer"===e.role||"latinletter"===e.role||"greekletter"===e.role)&&"normal"===e.font)return e.font="italic",o.run("simpleNamedFunction",e);return"unknown"===e.type&&(e.type="identifier"),l.exprFont_(e),o.run("simpleNamedFunction",e)}implicitNode(e){if(e=l.getInstance().getMixedNumbers_(e),1===(e=l.getInstance().combineUnits_(e)).length)return e[0];const t=l.getInstance().implicitNode_(e);return o.run("combine_juxtaposition",t)}text(e,t){return l.exprFont_(e),e.type="text","MS"===t?(e.role="string",e):"MSPACE"===t||e.textContent.match(/^\s*$/)?(e.role="space",e):e}row(e){return 0===(e=e.filter((function(e){return!a.isType(e,"empty")}))).length?l.getInstance().factory_.makeEmptyNode():(e=l.getInstance().getFencesInRow_(e),e=l.getInstance().tablesInRow(e),e=l.getInstance().getPunctuationInRow_(e),e=l.getInstance().getTextInRow_(e),e=l.getInstance().getFunctionsInRow_(e),l.getInstance().relationsInRow_(e))}limitNode(e,t){if(!t.length)return l.getInstance().factory_.makeEmptyNode();let n,r=t[0],i="unknown";if(!t[1])return r;if(a.isLimitBase(r)){n=l.MML_TO_LIMIT_[e];const o=n.length;if(i=n.type,t=t.slice(0,n.length+1),1===o&&a.isAccent(t[1])||2===o&&a.isAccent(t[1])&&a.isAccent(t[2]))return n=l.MML_TO_BOUNDS_[e],l.getInstance().accentNode_(r,t,n.type,n.length,n.accent);if(2===o){if(a.isAccent(t[1]))return r=l.getInstance().accentNode_(r,[r,t[1]],{MSUBSUP:"subscript",MUNDEROVER:"underscore"}[e],1,!0),t[2]?l.getInstance().makeLimitNode_(r,[r,t[2]],null,"limupper"):r;if(t[2]&&a.isAccent(t[2]))return r=l.getInstance().accentNode_(r,[r,t[2]],{MSUBSUP:"superscript",MUNDEROVER:"overscore"}[e],1,!0),l.getInstance().makeLimitNode_(r,[r,t[1]],null,"limlower");t[o]||(i="limlower")}return l.getInstance().makeLimitNode_(r,t,null,i)}return n=l.MML_TO_BOUNDS_[e],l.getInstance().accentNode_(r,t,n.type,n.length,n.accent)}tablesInRow(e){let t=c.partitionNodes(e,a.tableIsMatrixOrVector),n=[];for(let e,r=0;e=t.rel[r];r++)n=n.concat(t.comp.shift()),n.push(l.tableToMatrixOrVector_(e));n=n.concat(t.comp.shift()),t=c.partitionNodes(n,a.isTableOrMultiline),n=[];for(let e,r=0;e=t.rel[r];r++){const r=t.comp.shift();a.tableIsCases(e,r)&&l.tableToCases_(e,r.pop()),n=n.concat(r),n.push(e)}return n.concat(t.comp.shift())}mfenced(e,t,n,r){if(n&&r.length>0){const e=l.nextSeparatorFunction_(n),t=[r.shift()];r.forEach((n=>{t.push(l.getInstance().factory_.makeContentNode(e())),t.push(n)})),r=t}return e&&t?l.getInstance().horizontalFencedNode_(l.getInstance().factory_.makeContentNode(e),l.getInstance().factory_.makeContentNode(t),r):(e&&r.unshift(l.getInstance().factory_.makeContentNode(e)),t&&r.push(l.getInstance().factory_.makeContentNode(t)),l.getInstance().row(r))}fractionLikeNode(e,t,n,r){let i;if(!r&&c.isZeroLength(n)){const n=l.getInstance().factory_.makeBranchNode("line",[e],[]),r=l.getInstance().factory_.makeBranchNode("line",[t],[]);return i=l.getInstance().factory_.makeBranchNode("multiline",[n,r],[]),l.binomialForm_(i),l.classifyMultiline(i),i}return i=l.getInstance().fractionNode_(e,t),r&&i.addAnnotation("general","bevelled"),i}tensor(e,t,n,r,i){const o=l.getInstance().factory_.makeBranchNode("tensor",[e,l.getInstance().scriptNode_(t,"leftsub"),l.getInstance().scriptNode_(n,"leftsuper"),l.getInstance().scriptNode_(r,"rightsub"),l.getInstance().scriptNode_(i,"rightsuper")],[]);return o.role=e.role,o.embellished=a.isEmbellished(e),o}pseudoTensor(e,t,n){const r=e=>!a.isType(e,"empty"),i=t.filter(r).length,o=n.filter(r).length;if(!i&&!o)return e;const s=i?o?"MSUBSUP":"MSUB":"MSUP",c=[e];return i&&c.push(l.getInstance().scriptNode_(t,"rightsub",!0)),o&&c.push(l.getInstance().scriptNode_(n,"rightsuper",!0)),l.getInstance().limitNode(s,c)}font(e){const t=l.MATHJAX_FONTS[e];return t||e}proof(e,t,n){if(t.inference||t.axiom||console.log("Noise"),t.axiom){const t=l.getInstance().cleanInference(e.childNodes),r=t.length?l.getInstance().factory_.makeBranchNode("inference",n(t),[]):l.getInstance().factory_.makeEmptyNode();return r.role="axiom",r.mathmlTree=e,r}const r=l.getInstance().inference(e,t,n);return t.proof&&(r.role="proof",r.childNodes[0].role="final"),r}inference(e,t,n){if(t.inferenceRule){const t=l.getInstance().getFormulas(e,[],n);return l.getInstance().factory_.makeBranchNode("inference",[t.conclusion,t.premises],[])}const i=t.labelledRule,o=r.toArray(e.childNodes),s=[];"left"!==i&&"both"!==i||s.push(l.getInstance().getLabel(e,o,n,"left")),"right"!==i&&"both"!==i||s.push(l.getInstance().getLabel(e,o,n,"right"));const a=l.getInstance().getFormulas(e,o,n),c=l.getInstance().factory_.makeBranchNode("inference",[a.conclusion,a.premises],s);return c.mathmlTree=e,c}getLabel(e,t,n,i){const o=l.getInstance().findNestedRow(t,"prooflabel",i),s=l.getInstance().factory_.makeBranchNode("rulelabel",n(r.toArray(o.childNodes)),[]);return s.role=i,s.mathmlTree=o,s}getFormulas(e,t,n){const i=t.length?l.getInstance().findNestedRow(t,"inferenceRule"):e,o="up"===l.getSemantics(i).inferenceRule,s=o?i.childNodes[1]:i.childNodes[0],a=o?i.childNodes[0]:i.childNodes[1],c=s.childNodes[0].childNodes[0],u=r.toArray(c.childNodes[0].childNodes),d=[];let h=1;for(const e of u)h%2&&d.push(e.childNodes[0]),h++;const p=n(d),f=n(r.toArray(a.childNodes[0].childNodes))[0],m=l.getInstance().factory_.makeBranchNode("premises",p,[]);m.mathmlTree=c;const g=l.getInstance().factory_.makeBranchNode("conclusion",[f],[]);return g.mathmlTree=a.childNodes[0].childNodes[0],{conclusion:g,premises:m}}findNestedRow(e,t,n){return l.getInstance().findNestedRow_(e,t,0,n)}cleanInference(e){return r.toArray(e).filter((function(e){return"MSPACE"!==r.tagName(e)}))}operatorNode(e){return"unknown"===e.type&&(e.type="operator"),o.run("multioperator",e)}implicitNode_(e){const t=l.getInstance().factory_.makeMultipleContentNodes(e.length-1,i.invisibleTimes());l.matchSpaces_(e,t);const n=l.getInstance().infixNode_(e,t[0]);return n.role="implicit",t.forEach((function(e){e.parent=n})),n.contentNodes=t,n}infixNode_(e,t){const n=l.getInstance().factory_.makeBranchNode("infixop",e,[t],c.getEmbellishedInner(t).textContent);return n.role=t.role,o.run("propagateSimpleFunction",n)}explicitMixed_(e){const t=c.partitionNodes(e,(function(e){return e.textContent===i.invisiblePlus()}));if(!t.rel.length)return e;let n=[];for(let e,r=0;e=t.rel[r];r++){const i=t.comp[r],o=t.comp[r+1],s=i.length-1;if(i[s]&&o[0]&&a.isType(i[s],"number")&&!a.isRole(i[s],"mixed")&&a.isType(o[0],"fraction")){const e=l.getInstance().factory_.makeBranchNode("number",[i[s],o[0]],[]);e.role="mixed",n=n.concat(i.slice(0,s)),n.push(e),o.shift()}else n=n.concat(i),n.push(e)}return n.concat(t.comp[t.comp.length-1])}concatNode_(e,t,n){if(0===t.length)return e;const r=t.map((function(e){return c.getEmbellishedInner(e).textContent})).join(" "),i=l.getInstance().factory_.makeBranchNode(n,[e],t,r);return t.length>1&&(i.role="multiop"),i}prefixNode_(e,t){const n=c.partitionNodes(t,(e=>a.isRole(e,"subtraction")));let r=l.getInstance().concatNode_(e,n.comp.pop(),"prefixop");for(1===r.contentNodes.length&&"addition"===r.contentNodes[0].role&&"+"===r.contentNodes[0].textContent&&(r.role="positive");n.rel.length>0;)r=l.getInstance().concatNode_(r,[n.rel.pop()],"prefixop"),r.role="negative",r=l.getInstance().concatNode_(r,n.comp.pop(),"prefixop");return r}postfixNode_(e,t){return t.length?l.getInstance().concatNode_(e,t,"postfixop"):e}combineUnits_(e){const t=c.partitionNodes(e,(function(e){return!a.isRole(e,"unit")}));if(e.length===t.rel.length)return t.rel;const n=[];let r,i;do{const e=t.comp.shift();r=t.rel.shift();let o=null;i=n.pop(),i&&(e.length&&a.isUnitCounter(i)?e.unshift(i):n.push(i)),1===e.length&&(o=e.pop()),e.length>1&&(o=l.getInstance().implicitNode_(e),o.role="unit"),o&&n.push(o),r&&n.push(r)}while(r);return n}getMixedNumbers_(e){const t=c.partitionNodes(e,(function(e){return a.isType(e,"fraction")&&a.isRole(e,"vulgar")}));if(!t.rel.length)return e;let n=[];for(let e,r=0;e=t.rel[r];r++){const i=t.comp[r],o=i.length-1;if(i[o]&&a.isType(i[o],"number")&&(a.isRole(i[o],"integer")||a.isRole(i[o],"float"))){const t=l.getInstance().factory_.makeBranchNode("number",[i[o],e],[]);t.role="mixed",n=n.concat(i.slice(0,o)),n.push(t)}else n=n.concat(i),n.push(e)}return n.concat(t.comp[t.comp.length-1])}getTextInRow_(e){if(e.length<=1)return e;const t=c.partitionNodes(e,(e=>a.isType(e,"text")));if(0===t.rel.length)return e;const n=[];let r=t.comp[0];r.length>0&&n.push(l.getInstance().row(r));for(let e,i=0;e=t.rel[i];i++)n.push(e),r=t.comp[i+1],r.length>0&&n.push(l.getInstance().row(r));return[l.getInstance().dummyNode_(n)]}relationsInRow_(e){const t=c.partitionNodes(e,a.isRelation),n=t.rel[0];if(!n)return l.getInstance().operationsInRow_(e);if(1===e.length)return e[0];const r=t.comp.map(l.getInstance().operationsInRow_);let i;return t.rel.some((function(e){return!e.equals(n)}))?(i=l.getInstance().factory_.makeBranchNode("multirel",r,t.rel),t.rel.every((function(e){return e.role===n.role}))&&(i.role=n.role),i):(i=l.getInstance().factory_.makeBranchNode("relseq",r,t.rel,c.getEmbellishedInner(n).textContent),i.role=n.role,i)}operationsInRow_(e){if(0===e.length)return l.getInstance().factory_.makeEmptyNode();if(1===(e=l.getInstance().explicitMixed_(e)).length)return e[0];const t=[];for(;e.length>0&&a.isOperator(e[0]);)t.push(e.shift());if(0===e.length)return l.getInstance().prefixNode_(t.pop(),t);if(1===e.length)return l.getInstance().prefixNode_(e[0],t);e=o.run("convert_juxtaposition",e);const n=c.sliceNodes(e,a.isOperator),r=l.getInstance().prefixNode_(l.getInstance().implicitNode(n.head),t);return n.div?l.getInstance().operationsTree_(n.tail,r,n.div):r}operationsTree_(e,t,n,r){const i=r||[];if(0===e.length){if(i.unshift(n),"infixop"===t.type){const e=l.getInstance().postfixNode_(t.childNodes.pop(),i);return t.appendChild(e),t}return l.getInstance().postfixNode_(t,i)}const o=c.sliceNodes(e,a.isOperator);if(0===o.head.length)return i.push(o.div),l.getInstance().operationsTree_(o.tail,t,n,i);const s=l.getInstance().prefixNode_(l.getInstance().implicitNode(o.head),i),u=l.getInstance().appendOperand_(t,n,s);return o.div?l.getInstance().operationsTree_(o.tail,u,o.div,[]):u}appendOperand_(e,t,n){if("infixop"!==e.type)return l.getInstance().infixNode_([e,n],t);const r=l.getInstance().appendDivisionOp_(e,t,n);return r||(l.getInstance().appendExistingOperator_(e,t,n)?e:"multiplication"===t.role?l.getInstance().appendMultiplicativeOp_(e,t,n):l.getInstance().appendAdditiveOp_(e,t,n))}appendDivisionOp_(e,t,n){return"division"===t.role?a.isImplicit(e)?l.getInstance().infixNode_([e,n],t):l.getInstance().appendLastOperand_(e,t,n):"division"===e.role?l.getInstance().infixNode_([e,n],t):null}appendLastOperand_(e,t,n){let r=e,i=e.childNodes[e.childNodes.length-1];for(;i&&"infixop"===i.type&&!a.isImplicit(i);)r=i,i=r.childNodes[e.childNodes.length-1];const o=l.getInstance().infixNode_([r.childNodes.pop(),n],t);return r.appendChild(o),e}appendMultiplicativeOp_(e,t,n){if(a.isImplicit(e))return l.getInstance().infixNode_([e,n],t);let r=e,i=e.childNodes[e.childNodes.length-1];for(;i&&"infixop"===i.type&&!a.isImplicit(i);)r=i,i=r.childNodes[e.childNodes.length-1];const o=l.getInstance().infixNode_([r.childNodes.pop(),n],t);return r.appendChild(o),e}appendAdditiveOp_(e,t,n){return l.getInstance().infixNode_([e,n],t)}appendExistingOperator_(e,t,n){return!(!e||"infixop"!==e.type||a.isImplicit(e))&&(e.contentNodes[0].equals(t)?(e.appendContentNode(t),e.appendChild(n),!0):l.getInstance().appendExistingOperator_(e.childNodes[e.childNodes.length-1],t,n))}getFencesInRow_(e){let t=c.partitionNodes(e,a.isFence);t=l.purgeFences_(t);const n=t.comp.shift();return l.getInstance().fences_(t.rel,t.comp,[],[n])}fences_(e,t,n,r){if(0===e.length&&0===n.length)return r[0];const i=e=>a.isRole(e,"open");if(0===e.length){const e=r.shift();for(;n.length>0;){if(i(n[0])){const t=n.shift();l.fenceToPunct_(t),e.push(t)}else{const t=c.sliceNodes(n,i),o=t.head.length-1,s=l.getInstance().neutralFences_(t.head,r.slice(0,o));r=r.slice(o),e.push(...s),t.div&&t.tail.unshift(t.div),n=t.tail}e.push(...r.shift())}return e}const o=n[n.length-1],s=e[0].role;if("open"===s||a.isNeutralFence(e[0])&&(!o||!a.compareNeutralFences(e[0],o))){n.push(e.shift());const i=t.shift();return i&&r.push(i),l.getInstance().fences_(e,t,n,r)}if(o&&"close"===s&&"open"===o.role){const i=l.getInstance().horizontalFencedNode_(n.pop(),e.shift(),r.pop());return r.push(r.pop().concat([i],t.shift())),l.getInstance().fences_(e,t,n,r)}if(o&&a.compareNeutralFences(e[0],o)){if(!a.elligibleLeftNeutral(o)||!a.elligibleRightNeutral(e[0])){n.push(e.shift());const i=t.shift();return i&&r.push(i),l.getInstance().fences_(e,t,n,r)}const i=l.getInstance().horizontalFencedNode_(n.pop(),e.shift(),r.pop());return r.push(r.pop().concat([i],t.shift())),l.getInstance().fences_(e,t,n,r)}if(o&&"close"===s&&a.isNeutralFence(o)&&n.some(i)){const o=c.sliceNodes(n,i,!0),s=r.pop(),a=r.length-o.tail.length+1,u=l.getInstance().neutralFences_(o.tail,r.slice(a));r=r.slice(0,a);const d=l.getInstance().horizontalFencedNode_(o.div,e.shift(),r.pop().concat(u,s));return r.push(r.pop().concat([d],t.shift())),l.getInstance().fences_(e,t,o.head,r)}const u=e.shift();return l.fenceToPunct_(u),r.push(r.pop().concat([u],t.shift())),l.getInstance().fences_(e,t,n,r)}neutralFences_(e,t){if(0===e.length)return e;if(1===e.length)return l.fenceToPunct_(e[0]),e;const n=e.shift();if(!a.elligibleLeftNeutral(n)){l.fenceToPunct_(n);const r=t.shift();return r.unshift(n),r.concat(l.getInstance().neutralFences_(e,t))}const r=c.sliceNodes(e,(function(e){return a.compareNeutralFences(e,n)}));if(!r.div){l.fenceToPunct_(n);const r=t.shift();return r.unshift(n),r.concat(l.getInstance().neutralFences_(e,t))}if(!a.elligibleRightNeutral(r.div))return l.fenceToPunct_(r.div),e.unshift(n),l.getInstance().neutralFences_(e,t);const i=l.getInstance().combineFencedContent_(n,r.div,r.head,t);if(r.tail.length>0){const e=i.shift(),t=l.getInstance().neutralFences_(r.tail,i);return e.concat(t)}return i[0]}combineFencedContent_(e,t,n,r){if(0===n.length){const n=l.getInstance().horizontalFencedNode_(e,t,r.shift());return r.length>0?r[0].unshift(n):r=[[n]],r}const i=r.shift(),o=n.length-1,s=r.slice(0,o),a=(r=r.slice(o)).shift(),c=l.getInstance().neutralFences_(n,s);i.push(...c),i.push(...a);const u=l.getInstance().horizontalFencedNode_(e,t,i);return r.length>0?r[0].unshift(u):r=[[u]],r}horizontalFencedNode_(e,t,n){const r=l.getInstance().row(n);let i=l.getInstance().factory_.makeBranchNode("fenced",[r],[e,t]);return"open"===e.role?(l.getInstance().classifyHorizontalFence_(i),i=o.run("propagateComposedFunction",i)):i.role=e.role,i=o.run("detect_cycle",i),l.rewriteFencedNode_(i)}classifyHorizontalFence_(e){e.role="leftright";const t=e.childNodes;if(!a.isSetNode(e)||t.length>1)return;if(0===t.length||"empty"===t[0].type)return void(e.role="set empty");const n=t[0].type;if(1===t.length&&a.isSingletonSetContent(t[0]))return void(e.role="set singleton");const r=t[0].role;if("punctuated"===n&&"sequence"===r){if("comma"!==t[0].contentNodes[0].role)return 1!==t[0].contentNodes.length||"vbar"!==t[0].contentNodes[0].role&&"colon"!==t[0].contentNodes[0].role?void 0:(e.role="set extended",void l.getInstance().setExtension_(e));e.role="set collection"}}setExtension_(e){const t=e.childNodes[0].childNodes[0];t&&"infixop"===t.type&&1===t.contentNodes.length&&a.isMembership(t.contentNodes[0])&&(t.addAnnotation("set","intensional"),t.contentNodes[0].addAnnotation("set","intensional"))}getPunctuationInRow_(e){if(e.length<=1)return e;const t=e=>{const t=e.type;return"punctuation"===t||"text"===t||"operator"===t||"relation"===t},n=c.partitionNodes(e,(function(n){if(!a.isPunctuation(n))return!1;if(a.isPunctuation(n)&&!a.isRole(n,"ellipsis"))return!0;const r=e.indexOf(n);if(0===r)return!e[1]||!t(e[1]);const i=e[r-1];if(r===e.length-1)return!t(i);const o=e[r+1];return!t(i)||!t(o)}));if(0===n.rel.length)return e;const r=[];let i=n.comp.shift();i.length>0&&r.push(l.getInstance().row(i));let o=0;for(;n.comp.length>0;)r.push(n.rel[o++]),i=n.comp.shift(),i.length>0&&r.push(l.getInstance().row(i));return[l.getInstance().punctuatedNode_(r,n.rel)]}punctuatedNode_(e,t){const n=l.getInstance().factory_.makeBranchNode("punctuated",e,t);if(t.length===e.length){const e=t[0].role;if("unknown"!==e&&t.every((function(t){return t.role===e})))return n.role=e,n}return a.singlePunctAtPosition(e,t,0)?n.role="startpunct":a.singlePunctAtPosition(e,t,e.length-1)?n.role="endpunct":t.every((e=>a.isRole(e,"dummy")))?n.role="text":t.every((e=>a.isRole(e,"space")))?n.role="space":n.role="sequence",n}dummyNode_(e){const t=l.getInstance().factory_.makeMultipleContentNodes(e.length-1,i.invisibleComma());return t.forEach((function(e){e.role="dummy"})),l.getInstance().punctuatedNode_(e,t)}accentRole_(e,t){if(!a.isAccent(e))return!1;const n=e.textContent,r=i.lookupSecondary("bar",n)||i.lookupSecondary("tilde",n)||e.role;return e.role="underscore"===t?"underaccent":"overaccent",e.addAnnotation("accent",r),!0}accentNode_(e,t,n,r,i){const o=(t=t.slice(0,r+1))[1],s=t[2];let a;if(!i&&s&&(a=l.getInstance().factory_.makeBranchNode("subscript",[e,o],[]),a.role="subsup",t=[a,s],n="superscript"),i){const r=l.getInstance().accentRole_(o,n);if(s){l.getInstance().accentRole_(s,"overscore")&&!r?(a=l.getInstance().factory_.makeBranchNode("overscore",[e,s],[]),t=[a,o],n="underscore"):(a=l.getInstance().factory_.makeBranchNode("underscore",[e,o],[]),t=[a,s],n="overscore"),a.role="underover"}}return l.getInstance().makeLimitNode_(e,t,a,n)}makeLimitNode_(e,t,n,r){if("limupper"===r&&"limlower"===e.type)return e.childNodes.push(t[1]),t[1].parent=e,e.type="limboth",e;if("limlower"===r&&"limupper"===e.type)return e.childNodes.splice(1,-1,t[1]),t[1].parent=e,e.type="limboth",e;const i=l.getInstance().factory_.makeBranchNode(r,t,[]),o=a.isEmbellished(e);return n&&(n.embellished=o),i.embellished=o,i.role=e.role,i}getFunctionsInRow_(e,t){const n=t||[];if(0===e.length)return n;const r=e.shift(),i=l.classifyFunction_(r,e);if(!i)return n.push(r),l.getInstance().getFunctionsInRow_(e,n);const o=l.getInstance().getFunctionsInRow_(e,[]),s=l.getInstance().getFunctionArgs_(r,o,i);return n.concat(s)}getFunctionArgs_(e,t,n){let r,i,o;switch(n){case"integral":{const n=l.getInstance().getIntegralArgs_(t);if(!n.intvar&&!n.integrand.length)return n.rest.unshift(e),n.rest;const r=l.getInstance().row(n.integrand);return o=l.getInstance().integralNode_(e,r,n.intvar),n.rest.unshift(o),n.rest}case"prefix":if(t[0]&&"fenced"===t[0].type){const n=t.shift();return a.isNeutralFence(n)||(n.role="leftright"),o=l.getInstance().functionNode_(e,n),t.unshift(o),t}if(r=c.sliceNodes(t,a.isPrefixFunctionBoundary),r.head.length)i=l.getInstance().row(r.head),r.div&&r.tail.unshift(r.div);else{if(!r.div||!a.isType(r.div,"appl"))return t.unshift(e),t;i=r.div}return o=l.getInstance().functionNode_(e,i),r.tail.unshift(o),r.tail;case"bigop":return r=c.sliceNodes(t,a.isBigOpBoundary),r.head.length?(i=l.getInstance().row(r.head),o=l.getInstance().bigOpNode_(e,i),r.div&&r.tail.unshift(r.div),r.tail.unshift(o),r.tail):(t.unshift(e),t);default:{if(0===t.length)return[e];const n=t[0];return"fenced"===n.type&&!a.isNeutralFence(n)&&a.isSimpleFunctionScope(n)?(n.role="leftright",l.propagateFunctionRole_(e,"simple function"),o=l.getInstance().functionNode_(e,t.shift()),t.unshift(o),t):(t.unshift(e),t)}}}getIntegralArgs_(e,t=[]){if(0===e.length)return{integrand:t,intvar:null,rest:e};const n=e[0];if(a.isGeneralFunctionBoundary(n))return{integrand:t,intvar:null,rest:e};if(a.isIntegralDxBoundarySingle(n))return n.role="integral",{integrand:t,intvar:n,rest:e.slice(1)};if(e[1]&&a.isIntegralDxBoundary(n,e[1])){const r=l.getInstance().prefixNode_(e[1],[n]);return r.role="integral",{integrand:t,intvar:r,rest:e.slice(2)}}return t.push(e.shift()),l.getInstance().getIntegralArgs_(e,t)}functionNode_(e,t){const n=l.getInstance().factory_.makeContentNode(i.functionApplication()),r=l.getInstance().funcAppls[e.id];r&&(n.mathmlTree=r.mathmlTree,n.mathml=r.mathml,n.annotation=r.annotation,n.attributes=r.attributes,delete l.getInstance().funcAppls[e.id]),n.type="punctuation",n.role="application";const o=l.getFunctionOp_(e,(function(e){return a.isType(e,"function")||a.isType(e,"identifier")&&a.isRole(e,"simple function")}));return l.getInstance().functionalNode_("appl",[e,t],o,[n])}bigOpNode_(e,t){const n=l.getFunctionOp_(e,(e=>a.isType(e,"largeop")));return l.getInstance().functionalNode_("bigop",[e,t],n,[])}integralNode_(e,t,n){t=t||l.getInstance().factory_.makeEmptyNode(),n=n||l.getInstance().factory_.makeEmptyNode();const r=l.getFunctionOp_(e,(e=>a.isType(e,"largeop")));return l.getInstance().functionalNode_("integral",[e,t,n],r,[])}functionalNode_(e,t,n,r){const i=t[0];let o;n&&(o=n.parent,r.push(n));const s=l.getInstance().factory_.makeBranchNode(e,t,r);return s.role=i.role,o&&(n.parent=o),s}fractionNode_(e,t){const n=l.getInstance().factory_.makeBranchNode("fraction",[e,t],[]);return n.role=n.childNodes.every((function(e){return a.isType(e,"number")&&a.isRole(e,"integer")}))?"vulgar":n.childNodes.every(a.isPureUnit)?"unit":"division",o.run("propagateSimpleFunction",n)}scriptNode_(e,t,n){let r;switch(e.length){case 0:r=l.getInstance().factory_.makeEmptyNode();break;case 1:if(r=e[0],n)return r;break;default:r=l.getInstance().dummyNode_(e)}return r.role=t,r}findNestedRow_(e,t,n,i){if(n>3)return null;for(let o,s=0;o=e[s];s++){const e=r.tagName(o);if("MSPACE"!==e){if("MROW"===e)return l.getInstance().findNestedRow_(r.toArray(o.childNodes),t,n+1,i);if(l.findSemantics(o,t,i))return o}}return null}}t.default=l,l.FENCE_TO_PUNCT_={metric:"metric",neutral:"vbar",open:"openfence",close:"closefence"},l.MML_TO_LIMIT_={MSUB:{type:"limlower",length:1},MUNDER:{type:"limlower",length:1},MSUP:{type:"limupper",length:1},MOVER:{type:"limupper",length:1},MSUBSUP:{type:"limboth",length:2},MUNDEROVER:{type:"limboth",length:2}},l.MML_TO_BOUNDS_={MSUB:{type:"subscript",length:1,accent:!1},MSUP:{type:"superscript",length:1,accent:!1},MSUBSUP:{type:"subscript",length:2,accent:!1},MUNDER:{type:"underscore",length:1,accent:!0},MOVER:{type:"overscore",length:1,accent:!0},MUNDEROVER:{type:"underscore",length:2,accent:!0}},l.CLASSIFY_FUNCTION_={integral:"integral",sum:"bigop","prefix function":"prefix","limit function":"prefix","simple function":"prefix","composed function":"prefix"},l.MATHJAX_FONTS={"-tex-caligraphic":"caligraphic","-tex-caligraphic-bold":"caligraphic-bold","-tex-calligraphic":"caligraphic","-tex-calligraphic-bold":"caligraphic-bold","-tex-oldstyle":"oldstyle","-tex-oldstyle-bold":"oldstyle-bold","-tex-mathit":"italic"}},7984:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.SemanticSkeleton=void 0;const r=n(1426),i=n(5024),o=n(8171);class s{constructor(e){this.parents=null,this.levelsMap=null,e=0===e?e:e||[],this.array=e}static fromTree(e){return s.fromNode(e.root)}static fromNode(e){return new s(s.fromNode_(e))}static fromString(e){return new s(s.fromString_(e))}static simpleCollapseStructure(e){return"number"==typeof e}static contentCollapseStructure(e){return!!e&&!s.simpleCollapseStructure(e)&&"c"===e[0]}static interleaveIds(e,t){return r.interleaveLists(s.collapsedLeafs(e),s.collapsedLeafs(t))}static collapsedLeafs(...e){return e.reduce(((e,t)=>{return e.concat((n=t,s.simpleCollapseStructure(n)?[n]:(n=n,s.contentCollapseStructure(n[1])?n.slice(2):n.slice(1))));var n}),[])}static fromStructure(e,t){return new s(s.tree_(e,t.root))}static combineContentChildren(e,t,n){switch(e.type){case"relseq":case"infixop":case"multirel":return r.interleaveLists(n,t);case"prefixop":return t.concat(n);case"postfixop":return n.concat(t);case"fenced":return n.unshift(t[0]),n.push(t[1]),n;case"appl":return[n[0],t[0],n[1]];case"root":return[n[1],n[0]];case"row":case"line":return t.length&&n.unshift(t[0]),n;default:return n}}static makeSexp_(e){return s.simpleCollapseStructure(e)?e.toString():s.contentCollapseStructure(e)?"(c "+e.slice(1).map(s.makeSexp_).join(" ")+")":"("+e.map(s.makeSexp_).join(" ")+")"}static fromString_(e){let t=e.replace(/\(/g,"[");return t=t.replace(/\)/g,"]"),t=t.replace(/ /g,","),t=t.replace(/c/g,'"c"'),JSON.parse(t)}static fromNode_(e){if(!e)return[];const t=e.contentNodes;let n;t.length&&(n=t.map(s.fromNode_),n.unshift("c"));const r=e.childNodes;if(!r.length)return t.length?[e.id,n]:e.id;const i=r.map(s.fromNode_);return t.length&&i.unshift(n),i.unshift(e.id),i}static tree_(e,t){if(!t)return[];if(!t.childNodes.length)return t.id;const n=t.id,r=[n],a=i.evalXPath(`.//self::*[@${o.Attribute.ID}=${n}]`,e)[0],c=s.combineContentChildren(t,t.contentNodes.map((function(e){return e})),t.childNodes.map((function(e){return e})));a&&s.addOwns_(a,c);for(let t,n=0;t=c[n];n++)r.push(s.tree_(e,t));return r}static addOwns_(e,t){const n=e.getAttribute(o.Attribute.COLLAPSED),r=n?s.realLeafs_(s.fromString(n).array):t.map((e=>e.id));e.setAttribute(o.Attribute.OWNS,r.join(" "))}static realLeafs_(e){if(s.simpleCollapseStructure(e))return[e];if(s.contentCollapseStructure(e))return[];e=e;let t=[];for(let n=1;ns.simpleCollapseStructure(e)?e:s.contentCollapseStructure(e)?e[1]:e[0]))}subtreeNodes(e){if(!this.isRoot(e))return[];const t=(e,n)=>{s.simpleCollapseStructure(e)?n.push(e):(e=e,s.contentCollapseStructure(e)&&(e=e.slice(1)),e.forEach((e=>t(e,n))))},n=this.levelsMap[e],r=[];return t(n.slice(1),r),r}}t.SemanticSkeleton=s},1784:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.SemanticTree=void 0;const r=n(6671),i=n(4036),o=n(241),s=n(8122),a=n(9444),c=n(6161);n(7103);class l{constructor(e){this.mathml=e,this.parser=new s.SemanticMathml,this.root=this.parser.parse(e),this.collator=this.parser.getFactory().leafMap.collateMeaning();const t=this.collator.newDefault();t&&(this.parser=new s.SemanticMathml,this.parser.getFactory().defaultMap=t,this.root=this.parser.parse(e)),u.visit(this.root,{}),(0,i.annotate)(this.root)}static empty(){const e=r.parseInput(""),t=new l(e);return t.mathml=e,t}static fromNode(e,t){const n=l.empty();return n.root=e,t&&(n.mathml=t),n}static fromRoot(e,t){let n=e;for(;n.parent;)n=n.parent;const r=l.fromNode(n);return t&&(r.mathml=t),r}static fromXml(e){const t=l.empty();return e.childNodes[0]&&(t.root=a.SemanticNode.fromXml(e.childNodes[0])),t}xml(e){const t=r.parseInput(""),n=this.root.xml(t.ownerDocument,e);return t.appendChild(n),t}toString(e){return r.serializeXml(this.xml(e))}formatXml(e){const t=this.toString(e);return r.formatXml(t)}displayTree(){this.root.displayTree()}replaceNode(e,t){const n=e.parent;n?n.replaceChild(e,t):this.root=t}toJson(){const e={};return e.stree=this.root.toJson(),e}}t.SemanticTree=l;const u=new o.SemanticVisitor("general","unit",((e,t)=>{if("infixop"===e.type&&("multiplication"===e.role||"implicit"===e.role)){const t=e.childNodes;t.length&&(c.isPureUnit(t[0])||c.isUnitCounter(t[0]))&&e.childNodes.slice(1).every(c.isPureUnit)&&(e.role="unit")}return!1}))},8901:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.partitionNodes=t.sliceNodes=t.getEmbellishedInner=t.addAttributes=t.isZeroLength=t.purgeNodes=t.isOrphanedGlyph=t.hasDisplayTag=t.hasEmptyTag=t.hasIgnoreTag=t.hasLeafTag=t.hasMathTag=t.directSpeechKeys=t.DISPLAYTAGS=t.EMPTYTAGS=t.IGNORETAGS=t.LEAFTAGS=void 0;const r=n(6671);function i(e){return!!e&&-1!==t.LEAFTAGS.indexOf(r.tagName(e))}function o(e,t,n){n&&e.reverse();const r=[];for(let i,o=0;i=e[o];o++){if(t(i))return n?{head:e.slice(o+1).reverse(),div:i,tail:r.reverse()}:{head:r,div:i,tail:e.slice(o+1)};r.push(i)}return n?{head:[],div:null,tail:r.reverse()}:{head:r,div:null,tail:[]}}t.LEAFTAGS=["MO","MI","MN","MTEXT","MS","MSPACE"],t.IGNORETAGS=["MERROR","MPHANTOM","MALIGNGROUP","MALIGNMARK","MPRESCRIPTS","ANNOTATION","ANNOTATION-XML"],t.EMPTYTAGS=["MATH","MROW","MPADDED","MACTION","NONE","MSTYLE","SEMANTICS"],t.DISPLAYTAGS=["MROOT","MSQRT"],t.directSpeechKeys=["aria-label","exact-speech","alt"],t.hasMathTag=function(e){return!!e&&"MATH"===r.tagName(e)},t.hasLeafTag=i,t.hasIgnoreTag=function(e){return!!e&&-1!==t.IGNORETAGS.indexOf(r.tagName(e))},t.hasEmptyTag=function(e){return!!e&&-1!==t.EMPTYTAGS.indexOf(r.tagName(e))},t.hasDisplayTag=function(e){return!!e&&-1!==t.DISPLAYTAGS.indexOf(r.tagName(e))},t.isOrphanedGlyph=function(e){return!!e&&"MGLYPH"===r.tagName(e)&&!i(e.parentNode)},t.purgeNodes=function(e){const n=[];for(let i,o=0;i=e[o];o++){if(i.nodeType!==r.NodeType.ELEMENT_NODE)continue;const e=r.tagName(i);-1===t.IGNORETAGS.indexOf(e)&&(-1!==t.EMPTYTAGS.indexOf(e)&&0===i.childNodes.length||n.push(i))}return n},t.isZeroLength=function(e){if(!e)return!1;if(-1!==["negativeveryverythinmathspace","negativeverythinmathspace","negativethinmathspace","negativemediummathspace","negativethickmathspace","negativeverythickmathspace","negativeveryverythickmathspace"].indexOf(e))return!0;const t=e.match(/[0-9.]+/);return!!t&&0===parseFloat(t[0])},t.addAttributes=function(e,n){if(n.hasAttributes()){const r=n.attributes;for(let n=r.length-1;n>=0;n--){const i=r[n].name;i.match(/^ext/)&&(e.attributes[i]=r[n].value,e.nobreaking=!0),-1!==t.directSpeechKeys.indexOf(i)&&(e.attributes["ext-speech"]=r[n].value,e.nobreaking=!0),i.match(/texclass$/)&&(e.attributes.texclass=r[n].value),"href"===i&&(e.attributes.href=r[n].value,e.nobreaking=!0)}}},t.getEmbellishedInner=function e(t){return t&&t.embellished&&t.childNodes.length>0?e(t.childNodes[0]):t},t.sliceNodes=o,t.partitionNodes=function(e,t){let n=e;const r=[],i=[];let s=null;do{s=o(n,t),i.push(s.head),r.push(s.div),n=s.tail}while(s.div);return r.pop(),{rel:r,comp:i}}},9135:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.AbstractSpeechGenerator=void 0;const r=n(985),i=n(8171),o=n(1848),s=n(144);t.AbstractSpeechGenerator=class{constructor(){this.modality=i.addPrefix("speech"),this.rebuilt_=null,this.options_={}}getRebuilt(){return this.rebuilt_}setRebuilt(e){this.rebuilt_=e}setOptions(e){this.options_=e||{},this.modality=i.addPrefix(this.options_.modality||"speech")}getOptions(){return this.options_}start(){}end(){}generateSpeech(e,t){return this.rebuilt_||(this.rebuilt_=new o.RebuildStree(t)),(0,r.setup)(this.options_),s.computeMarkup(this.getRebuilt().xml)}}},3153:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.AdhocSpeechGenerator=void 0;const r=n(9135);class i extends r.AbstractSpeechGenerator{getSpeech(e,t){const n=this.generateSpeech(e,t);return e.setAttribute(this.modality,n),n}}t.AdhocSpeechGenerator=i},6281:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.ColorGenerator=void 0;const r=n(8171),i=n(1123),o=n(1848),s=n(8835),a=n(9135);class c extends a.AbstractSpeechGenerator{constructor(){super(...arguments),this.modality=(0,r.addPrefix)("foreground"),this.contrast=new i.ContrastPicker}static visitStree_(e,t,n){if(e.childNodes.length){if(e.contentNodes.length&&("punctuated"===e.type&&e.contentNodes.forEach((e=>n[e.id]=!0)),"implicit"!==e.role&&t.push(e.contentNodes.map((e=>e.id)))),e.childNodes.length){if("implicit"===e.role){const r=[];let i=[];for(const t of e.childNodes){const e=[];c.visitStree_(t,e,n),e.length<=2&&r.push(e.shift()),i=i.concat(e)}return t.push(r),void i.forEach((e=>t.push(e)))}e.childNodes.forEach((e=>c.visitStree_(e,t,n)))}}else n[e.id]||t.push(e.id)}getSpeech(e,t){return s.getAttribute(e,this.modality)}generateSpeech(e,t){return this.getRebuilt()||this.setRebuilt(new o.RebuildStree(e)),this.colorLeaves_(e),s.getAttribute(e,this.modality)}colorLeaves_(e){const t=[];c.visitStree_(this.getRebuilt().streeRoot,t,{});for(const n of t){const t=this.contrast.generate();let r=!1;r=Array.isArray(n)?n.map((n=>this.colorLeave_(e,n,t))).reduce(((e,t)=>e||t),!1):this.colorLeave_(e,n.toString(),t),r&&this.contrast.increment()}}colorLeave_(e,t,n){const r=s.getBySemanticId(e,t);return!!r&&(r.setAttribute(this.modality,n),!0)}}t.ColorGenerator=c},1565:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.DirectSpeechGenerator=void 0;const r=n(8835),i=n(9135);class o extends i.AbstractSpeechGenerator{getSpeech(e,t){return r.getAttribute(e,this.modality)}}t.DirectSpeechGenerator=o},7721:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.DummySpeechGenerator=void 0;const r=n(9135);class i extends r.AbstractSpeechGenerator{getSpeech(e,t){return""}}t.DummySpeechGenerator=i},1558:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.NodeSpeechGenerator=void 0;const r=n(8835),i=n(7486);class o extends i.TreeSpeechGenerator{getSpeech(e,t){return super.getSpeech(e,t),r.getAttribute(e,this.modality)}}t.NodeSpeechGenerator=o},7317:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.generatorMapping_=t.generator=void 0;const r=n(3153),i=n(6281),o=n(1565),s=n(7721),a=n(1558),c=n(5778),l=n(7486);t.generator=function(e){return(t.generatorMapping_[e]||t.generatorMapping_.Direct)()},t.generatorMapping_={Adhoc:()=>new r.AdhocSpeechGenerator,Color:()=>new i.ColorGenerator,Direct:()=>new o.DirectSpeechGenerator,Dummy:()=>new s.DummySpeechGenerator,Node:()=>new a.NodeSpeechGenerator,Summary:()=>new c.SummarySpeechGenerator,Tree:()=>new 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i=r.type;return-1!==t.NUMBER_PROPAGATORS_.indexOf(i)||"prefixop"===i&&"negative"===r.role&&!n.script||"prefixop"===i&&"geometry"===r.role||!("punctuated"!==i||n.enclosed&&"text"!==r.role)}function g(e,n){return e.childNodes.length?(-1!==t.NUMBER_INHIBITORS_.indexOf(e.type)&&(n.script=!0),"fenced"===e.type?(n.number=!1,n.enclosed=!0,["",n]):(m(e,n)&&(n.number=!0,n.enclosed=!1),["",n])):(m(e,n)&&(n.number=!0,n.script=!1,n.enclosed=!1),[n.number?"number":"",{number:!1,enclosed:n.enclosed,script:n.script}])}t.openingFraction=function(e){const t=d.fractionNestingDepth(e);return new Array(t).join(u.LOCALE.MESSAGES.MS.FRACTION_REPEAT)+u.LOCALE.MESSAGES.MS.FRACTION_START},t.closingFraction=function(e){const t=d.fractionNestingDepth(e);return new Array(t).join(u.LOCALE.MESSAGES.MS.FRACTION_REPEAT)+u.LOCALE.MESSAGES.MS.FRACTION_END},t.overFraction=function(e){const t=d.fractionNestingDepth(e);return new Array(t).join(u.LOCALE.MESSAGES.MS.FRACTION_REPEAT)+u.LOCALE.MESSAGES.MS.FRACTION_OVER},t.overBevelledFraction=function(e){const t=d.fractionNestingDepth(e);return new Array(t).join(u.LOCALE.MESSAGES.MS.FRACTION_REPEAT)+"\u2838"+u.LOCALE.MESSAGES.MS.FRACTION_OVER},t.nestedRadical=h,t.radicalNestingDepth=p,t.openingRadical=function(e){return h(e,u.LOCALE.MESSAGES.MS.STARTROOT)},t.closingRadical=function(e){return h(e,u.LOCALE.MESSAGES.MS.ENDROOT)},t.indexRadical=function(e){return h(e,u.LOCALE.MESSAGES.MS.ROOTINDEX)},t.enlargeFence=f,s.Grammar.getInstance().setCorrection("enlargeFence",f),t.NUMBER_PROPAGATORS_=["multirel","relseq","appl","row","line"],t.NUMBER_INHIBITORS_=["subscript","superscript","overscore","underscore"],t.checkParent_=m,t.propagateNumber=g,(0,c.register)(new l.SemanticVisitor("nemeth","number",g,{number:!0})),t.relationIterator=function(e,t){const n=e.slice(0);let s,c=!0;return s=e.length>0?o.evalXPath("../../content/*",e[0]):[],function(){const 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c.concat(l&&u&&"space"===a.getAttribute("role")?[r.AuditoryDescription.create({text:"\u2800"},{})]:[])}}},2110:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.ordinalPosition=t.vulgarFraction=t.wordCounter=t.ordinalCounter=void 0;const r=n(1930),i=n(6671),o=n(4524),s=n(9385);t.ordinalCounter=function(e,t){let n=0;return function(){return o.LOCALE.NUMBERS.numericOrdinal(++n)+" "+t}},t.wordCounter=function(e,t){let n=0;return function(){return o.LOCALE.NUMBERS.numberToOrdinal(++n,!1)+" "+t}},t.vulgarFraction=function(e){const t=(0,s.convertVulgarFraction)(e,o.LOCALE.MESSAGES.MS.FRAC_OVER);return t.convertible&&t.enumerator&&t.denominator?[new r.Span(o.LOCALE.NUMBERS.numberToWords(t.enumerator),{extid:e.childNodes[0].childNodes[0].getAttribute("extid"),separator:""}),new r.Span(o.LOCALE.NUMBERS.vulgarSep,{separator:""}),new r.Span(o.LOCALE.NUMBERS.numberToOrdinal(t.denominator,1!==t.enumerator),{extid:e.childNodes[0].childNodes[1].getAttribute("extid")})]:[new r.Span(t.content||"",{extid:e.getAttribute("extid")})]},t.ordinalPosition=function(e){const t=i.toArray(e.parentNode.childNodes);return o.LOCALE.NUMBERS.numericOrdinal(t.indexOf(e)+1).toString()}},3724:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.BrailleRules=t.OtherRules=t.PrefixRules=void 0;const r=n(8310),i=n(931),o=n(3269),s=n(9570),a=n(2110),c=n(7278);t.PrefixRules=function(){c.addStore("en.prefix.default","",{CSFordinalPosition:a.ordinalPosition})},t.OtherRules=function(){c.addStore("en.speech.chromevox","",{CTFnodeCounter:i.nodeCounter,CTFcontentIterator:i.contentIterator}),c.addStore("en.speech.emacspeak","en.speech.chromevox",{CQFvulgarFractionSmall:o.isSmallVulgarFraction,CSFvulgarFraction:a.vulgarFraction})},t.BrailleRules=function(){c.addStore("nemeth.braille.default",r.DynamicCstr.BASE_LOCALE+".speech.mathspeak",{CSFopenFraction:s.openingFraction,CSFcloseFraction:s.closingFraction,CSFoverFraction:s.overFraction,CSFoverBevFraction:s.overBevelledFraction,CSFopenRadical:s.openingRadical,CSFcloseRadical:s.closingRadical,CSFindexRadical:s.indexRadical,CSFsubscript:o.subscriptVerbose,CSFsuperscript:o.superscriptVerbose,CSFbaseline:o.baselineVerbose,CGFtensorRules:e=>o.generateTensorRules(e,!1),CTFrelationIterator:s.relationIterator,CTFimplicitIterator:s.implicitIterator})}},9805:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.init=t.INIT_=void 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r=n(4148),i=n(4253),o=n(6671),s=n(4998),a=n(985),c=n(6988),l=n(8171),u=n(4524),d=n(1058),h=n(7984),p=n(7317),f=n(144),m=n(3955),g=n(5658),S=n(1848),b=n(8119),N=n(8835),E=n(5024);class y{constructor(e,t,n,r){this.node=e,this.generator=t,this.highlighter=n,this.modifier=!1,this.keyMapping=new Map([[c.KeyCode.UP,this.up.bind(this)],[c.KeyCode.DOWN,this.down.bind(this)],[c.KeyCode.RIGHT,this.right.bind(this)],[c.KeyCode.LEFT,this.left.bind(this)],[c.KeyCode.TAB,this.repeat.bind(this)],[c.KeyCode.DASH,this.expand.bind(this)],[c.KeyCode.SPACE,this.depth.bind(this)],[c.KeyCode.HOME,this.home.bind(this)],[c.KeyCode.X,this.summary.bind(this)],[c.KeyCode.Z,this.detail.bind(this)],[c.KeyCode.V,this.virtualize.bind(this)],[c.KeyCode.P,this.previous.bind(this)],[c.KeyCode.U,this.undo.bind(this)],[c.KeyCode.LESS,this.previousRules.bind(this)],[c.KeyCode.GREATER,this.nextRules.bind(this)]]),this.cursors=[],this.xml_=null,this.rebuilt_=null,this.focus_=null,this.active_=!1,this.node.id?this.id=this.node.id:this.node.hasAttribute(y.SRE_ID_ATTR)?this.id=this.node.getAttribute(y.SRE_ID_ATTR):(this.node.setAttribute(y.SRE_ID_ATTR,y.ID_COUNTER.toString()),this.id=y.ID_COUNTER++),this.rootNode=N.getSemanticRoot(e),this.rootId=this.rootNode.getAttribute(l.Attribute.ID),this.xmlString_=r,this.moved=b.WalkerMoves.ENTER}getXml(){return this.xml_||(this.xml_=o.parseInput(this.xmlString_)),this.xml_}getRebuilt(){return this.rebuilt_||this.rebuildStree(),this.rebuilt_}isActive(){return this.active_}activate(){this.isActive()||(this.generator.start(),this.toggleActive_())}deactivate(){this.isActive()&&(b.WalkerState.setState(this.id,this.primaryId()),this.generator.end(),this.toggleActive_())}getFocus(e=!1){return this.focus_||(this.focus_=this.singletonFocus(this.rootId)),e&&this.updateFocus(),this.focus_}setFocus(e){this.focus_=e}getDepth(){return this.levels.depth()-1}isSpeech(){return this.generator.modality===l.Attribute.SPEECH}focusDomNodes(){return this.getFocus().getDomNodes()}focusSemanticNodes(){return this.getFocus().getSemanticNodes()}speech(){const e=this.focusDomNodes();if(!e.length)return"";const t=this.specialMove();if(null!==t)return t;switch(this.moved){case b.WalkerMoves.DEPTH:return this.depth_();case b.WalkerMoves.SUMMARY:return this.summary_();case b.WalkerMoves.DETAIL:return this.detail_();default:{const t=[],n=this.focusSemanticNodes();for(let r=0,i=e.length;r0}restoreState(){if(!this.highlighter)return;const e=b.WalkerState.getState(this.id);if(!e)return;let t=this.getRebuilt().nodeDict[e];const n=[];for(;t;)n.push(t.id),t=t.parent;for(n.pop();n.length>0;){this.down();const e=n.pop(),t=this.findFocusOnLevel(e);if(!t)break;this.setFocus(t)}this.moved=b.WalkerMoves.ENTER}updateFocus(){this.setFocus(g.Focus.factory(this.getFocus().getSemanticPrimary().id.toString(),this.getFocus().getSemanticNodes().map((e=>e.id.toString())),this.getRebuilt(),this.node))}rebuildStree(){this.rebuilt_=new S.RebuildStree(this.getXml()),this.rootId=this.rebuilt_.stree.root.id.toString(),this.generator.setRebuilt(this.rebuilt_),this.skeleton=h.SemanticSkeleton.fromTree(this.rebuilt_.stree),this.skeleton.populate(),this.focus_=this.singletonFocus(this.rootId),this.levels=this.initLevels(),f.connectMactions(this.node,this.getXml(),this.rebuilt_.xml)}previousLevel(){const e=this.getFocus().getDomPrimary();return e?N.getAttribute(e,l.Attribute.PARENT):this.getFocus().getSemanticPrimary().parent.id.toString()}nextLevel(){const e=this.getFocus().getDomPrimary();let t,n;if(e){t=N.splitAttribute(N.getAttribute(e,l.Attribute.CHILDREN)),n=N.splitAttribute(N.getAttribute(e,l.Attribute.CONTENT));const r=N.getAttribute(e,l.Attribute.TYPE),i=N.getAttribute(e,l.Attribute.ROLE);return this.combineContentChildren(r,i,n,t)}const r=e=>e.id.toString(),i=this.getRebuilt().nodeDict[this.primaryId()];return t=i.childNodes.map(r),n=i.contentNodes.map(r),0===t.length?[]:this.combineContentChildren(i.type,i.role,n,t)}singletonFocus(e){this.getRebuilt();const t=this.retrieveVisuals(e);return this.focusFromId(e,t)}retrieveVisuals(e){if(!this.skeleton)return[e];const t=parseInt(e,10),n=this.skeleton.subtreeNodes(t);if(!n.length)return[e];n.unshift(t);const r={},i=[];E.updateEvaluator(this.getXml());for(const e of n)r[e]||(i.push(e.toString()),r[e]=!0,this.subtreeIds(e,r));return i}subtreeIds(e,t){const n=E.evalXPath(`//*[@data-semantic-id="${e}"]`,this.getXml());E.evalXPath("*//@data-semantic-id",n[0]).forEach((e=>t[parseInt(e.textContent,10)]=!0))}focusFromId(e,t){return g.Focus.factory(e,t,this.getRebuilt(),this.node)}summary(){return this.moved=this.isSpeech()?b.WalkerMoves.SUMMARY:b.WalkerMoves.REPEAT,this.getFocus().clone()}detail(){return this.moved=this.isSpeech()?b.WalkerMoves.DETAIL:b.WalkerMoves.REPEAT,this.getFocus().clone()}specialMove(){return null}virtualize(e){return this.cursors.push({focus:this.getFocus(),levels:this.levels,undo:e||!this.cursors.length}),this.levels=this.levels.clone(),this.getFocus().clone()}previous(){const e=this.cursors.pop();return e?(this.levels=e.levels,e.focus):this.getFocus()}undo(){let e;do{e=this.cursors.pop()}while(e&&!e.undo);return e?(this.levels=e.levels,e.focus):this.getFocus()}update(e){this.generator.setOptions(e),(0,a.setup)(e).then((()=>p.generator("Tree").getSpeech(this.node,this.getXml())))}nextRules(){const e=this.generator.getOptions();return"speech"!==e.modality?this.getFocus():(s.DOMAIN_TO_STYLES[e.domain]=e.style,e.domain="mathspeak"===e.domain?"clearspeak":"mathspeak",e.style=s.DOMAIN_TO_STYLES[e.domain],this.update(e),this.moved=b.WalkerMoves.REPEAT,this.getFocus().clone())}nextStyle(e,t){if("mathspeak"===e){const e=["default","brief","sbrief"],n=e.indexOf(t);return-1===n?t:n>=e.length-1?e[0]:e[n+1]}if("clearspeak"===e){const e=m.ClearspeakPreferences.getLocalePreferences().en;if(!e)return"default";const n=m.ClearspeakPreferences.relevantPreferences(this.getFocus().getSemanticPrimary()),r=m.ClearspeakPreferences.findPreference(t,n),i=e[n].map((function(e){return e.split("_")[1]})),o=i.indexOf(r);if(-1===o)return t;const s=o>=i.length-1?i[0]:i[o+1];return m.ClearspeakPreferences.addPreference(t,n,s)}return t}previousRules(){const e=this.generator.getOptions();return"speech"!==e.modality?this.getFocus():(e.style=this.nextStyle(e.domain,e.style),this.update(e),this.moved=b.WalkerMoves.REPEAT,this.getFocus().clone())}refocus(){let e,t=this.getFocus();for(;!t.getNodes().length;){e=this.levels.peek();const n=this.up();if(!n)break;this.setFocus(n),t=this.getFocus(!0)}this.levels.push(e),this.setFocus(t)}toggleActive_(){this.active_=!this.active_}mergePrefix_(e,t=[]){const n=this.isSpeech()?this.prefix_():"";n&&e.unshift(n);const r=this.isSpeech()?this.postfix_():"";return r&&e.push(r),i.finalize(i.merge(t.concat(e)))}prefix_(){const e=this.getFocus().getDomNodes(),t=this.getFocus().getSemanticNodes();return e[0]?N.getAttribute(e[0],l.Attribute.PREFIX):f.retrievePrefix(t[0])}postfix_(){const e=this.getFocus().getDomNodes();return e[0]?N.getAttribute(e[0],l.Attribute.POSTFIX):""}depth_(){const e=d.Grammar.getInstance().getParameter("depth");d.Grammar.getInstance().setParameter("depth",!0);const t=this.getFocus().getDomPrimary(),n=this.expandable(t)?u.LOCALE.MESSAGES.navigate.EXPANDABLE:this.collapsible(t)?u.LOCALE.MESSAGES.navigate.COLLAPSIBLE:"",o=u.LOCALE.MESSAGES.navigate.LEVEL+" "+this.getDepth(),s=this.getFocus().getSemanticNodes(),a=f.retrievePrefix(s[0]),c=[new r.AuditoryDescription({text:o,personality:{}}),new r.AuditoryDescription({text:a,personality:{}}),new r.AuditoryDescription({text:n,personality:{}})];return d.Grammar.getInstance().setParameter("depth",e),i.finalize(i.markup(c))}actionable_(e){const t=null==e?void 0:e.parentNode;return t&&this.highlighter.isMactionNode(t)?t:null}summary_(){const e=this.getFocus().getSemanticPrimary().id.toString(),t=this.getRebuilt().xml.getAttribute("id")===e?this.getRebuilt().xml:o.querySelectorAllByAttrValue(this.getRebuilt().xml,"id",e)[0],n=f.retrieveSummary(t);return this.mergePrefix_([n])}detail_(){const e=this.getFocus().getSemanticPrimary().id.toString(),t=this.getRebuilt().xml.getAttribute("id")===e?this.getRebuilt().xml:o.querySelectorAllByAttrValue(this.getRebuilt().xml,"id",e)[0],n=t.getAttribute("alternative");t.removeAttribute("alternative");const r=f.computeMarkup(t),i=this.mergePrefix_([r]);return t.setAttribute("alternative",n),i}}t.AbstractWalker=y,y.ID_COUNTER=0,y.SRE_ID_ATTR="sre-explorer-id"},4296:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.DummyWalker=void 0;const r=n(4660);class i extends r.AbstractWalker{up(){return null}down(){return null}left(){return null}right(){return null}repeat(){return null}depth(){return null}home(){return null}getDepth(){return 0}initLevels(){return null}combineContentChildren(e,t,n,r){return[]}findFocusOnLevel(e){return null}}t.DummyWalker=i},5658:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.Focus=void 0;const r=n(8835);class i{constructor(e,t){this.nodes=e,this.primary=t,this.domNodes=[],this.domPrimary_=null,this.allNodes=[]}static factory(e,t,n,o){const s=e=>r.getBySemanticId(o,e),a=n.nodeDict,c=s(e),l=t.map(s),u=t.map((function(e){return a[e]})),d=new i(u,a[e]);return d.domNodes=l,d.domPrimary_=c,d.allNodes=i.generateAllVisibleNodes_(t,l,a,o),d}static generateAllVisibleNodes_(e,t,n,o){const s=e=>r.getBySemanticId(o,e);let a=[];for(let r=0,c=e.length;r=t.length?null:t[e]}depth(){return this.level_.length}clone(){const e=new n;return e.level_=this.level_.slice(0),e}toString(){let e="";for(let t,n=0;t=this.level_[n];n++)e+="\n"+t.map((function(e){return e.toString()}));return e}}t.Levels=n},1848:function(e,t,n){Object.defineProperty(t,"__esModule",{value:!0}),t.RebuildStree=void 0;const r=n(6671),i=n(8171),o=n(4020),s=n(4790),a=n(7793),c=n(7984),l=n(1784),u=n(8901),d=n(8835);class h{constructor(e){this.mathml=e,this.factory=new s.SemanticNodeFactory,this.nodeDict={},this.mmlRoot=d.getSemanticRoot(e),this.streeRoot=this.assembleTree(this.mmlRoot),this.stree=l.SemanticTree.fromNode(this.streeRoot,this.mathml),this.xml=this.stree.xml(),a.default.getInstance().setNodeFactory(this.factory)}static addAttributes(e,t,n){n&&1===t.childNodes.length&&t.childNodes[0].nodeType!==r.NodeType.TEXT_NODE&&u.addAttributes(e,t.childNodes[0]),u.addAttributes(e,t)}static textContent(e,t,n){if(!n&&t.textContent)return void(e.textContent=t.textContent);const r=d.splitAttribute(d.getAttribute(t,i.Attribute.OPERATOR));r.length>1&&(e.textContent=r[1])}static isPunctuated(e){return!c.SemanticSkeleton.simpleCollapseStructure(e)&&e[1]&&c.SemanticSkeleton.contentCollapseStructure(e[1])}getTree(){return this.stree}assembleTree(e){const 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\ No newline at end of file
diff --git a/docs/assets/vendor/mathjax/input/mml.js b/docs/assets/vendor/mathjax/input/mml.js
new file mode 100644
index 0000000..c1e42f8
--- /dev/null
+++ b/docs/assets/vendor/mathjax/input/mml.js
@@ -0,0 +1 @@
+!function(){"use strict";var t,e,r,a,o,i={306:function(t,e){e.q=void 0,e.q="3.2.2"},236:function(t,e,r){var a,o=this&&this.__extends||(a=function(t,e){return a=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])},a(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}a(t,e),t.prototype=null===e?Object.create(e):(r.prototype=e.prototype,new r)}),i=this&&this.__read||function(t,e){var r="function"==typeof Symbol&&t[Symbol.iterator];if(!r)return t;var a,o,i=r.call(t),n=[];try{for(;(void 0===e||e-- >0)&&!(a=i.next()).done;)n.push(a.value)}catch(t){o={error:t}}finally{try{a&&!a.done&&(r=i.return)&&r.call(i)}finally{if(o)throw o.error}}return n};Object.defineProperty(e,"__esModule",{value:!0}),e.MathML=void 0;var n=r(309),s=r(77),l=r(898),c=r(794),h=r(332),p=function(t){function e(e){void 0===e&&(e={});var r=this,a=i((0,s.separateOptions)(e,c.FindMathML.OPTIONS,h.MathMLCompile.OPTIONS),3),o=a[0],n=a[1],p=a[2];return(r=t.call(this,o)||this).findMathML=r.options.FindMathML||new c.FindMathML(n),r.mathml=r.options.MathMLCompile||new h.MathMLCompile(p),r.mmlFilters=new l.FunctionList,r}return o(e,t),e.prototype.setAdaptor=function(e){t.prototype.setAdaptor.call(this,e),this.findMathML.adaptor=e,this.mathml.adaptor=e},e.prototype.setMmlFactory=function(e){t.prototype.setMmlFactory.call(this,e),this.mathml.setMmlFactory(e)},Object.defineProperty(e.prototype,"processStrings",{get:function(){return!1},enumerable:!1,configurable:!0}),e.prototype.compile=function(t,e){var r=t.start.node;if(!r||!t.end.node||this.options.forceReparse||"#text"===this.adaptor.kind(r)){var a=this.executeFilters(this.preFilters,t,e,(t.math||"").trim()),o=this.checkForErrors(this.adaptor.parse(a,"text/"+this.options.parseAs)),i=this.adaptor.body(o);1!==this.adaptor.childNodes(i).length&&this.error("MathML must consist of a single element"),r=this.adaptor.remove(this.adaptor.firstChild(i)),"math"!==this.adaptor.kind(r).replace(/^[a-z]+:/,"")&&this.error("MathML must be formed by a