S2OJ/web/lib/MathJax/input/tex.js

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e="function"==typeof Symbol&&Symbol.iterator,r=e&&t[e],n=0;if(r)return r.call(t);if(t&&"number"==typeof t.length)return{next:function(){return t&&n>=t.length&&(t=void 0),{value:t&&t[n++],done:!t}}};throw new TypeError(e?"Object is not iterable.":"Symbol.iterator is not defined.")},a=this&&this.__importDefault||function(t){return t&&t.__esModule?t:{default:t}};Object.defineProperty(e,"__esModule",{value:!0});var o,i=r(8921),s=a(r(8321));!function(t){t.cleanStretchy=function(t){var e,r,a=t.data;try{for(var o=n(a.getList("fixStretchy")),i=o.next();!i.done;i=o.next()){var l=i.value;if(s.default.getProperty(l,"fixStretchy")){var u=s.default.getForm(l);u&&u[3]&&u[3].stretchy&&s.default.setAttribute(l,"stretchy",!1);var c=l.parent;if(!(s.default.getTexClass(l)||u&&u[2])){var 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n=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r])},n(t,e)},function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Class extends value "+String(e)+" is not a constructor or null");function r(){this.constructor=t}n(t,e),t.prototype=null===e?Object.create(e):(r.prototype=e.prototype,new r)}),o=this&&this.__assign||function(){return o=Object.assign||function(t){for(var e,r=1,n=arguments.length;r<n;r++)for(var a in e=arguments[r])Object.prototype.hasOwnProperty.call(e,a)&&(t[a]=e[a]);return t},o.apply(this,arguments)},i=this&&this.__importDefault||function(t){return t&&t.__esModule?t:{default:t}};Object.defineProperty(e,"__esModule",{value:!0}),e.FlalignItem=e.MultlineItem=void 0;var s=r(8389),l=i(r(7702)),u=i(r(8321)),c=i(r(3466)),f=r(7007),d=function(t){function e(e){for(var r=[],n=1;n<arguments.length;n++)r[n-1]=arguments[n];var a=t.call(this,e)||this;return a.factory.configuration.tags.start("multline",!0,r[0]),a}return a(e,t),Object.defineProperty(e.prototype,"kind",{get:function(){return"multline"},enumerable:!1,configurable:!0}),e.prototype.EndEntry=function(){this.table.length&&l.default.fixInitialMO(this.factory.configuration,this.nodes);var t=this.getProperty("shove"),e=this.create("node","mtd",this.nodes,t?{columnalign:t}:{});this.setProperty("shove",null),this.row.push(e),this.Clear()},e.prototype.EndRow=function(){if(1!==this.row.length)throw new c.default("MultlineRowsOneCol","The rows within the %1 environment must have exactly one column","multline");var t=this.create("node","mtr",this.row);this.table.push(t),this.row=[]},e.prototype.EndTable=function(){if(t.prototype.EndTable.call(this),this.table.length){var e=this.table.length-1,r=-1;u.default.getAttribute(u.default.getChildren(this.table[0])[0],"columnalign")||u.default.setAttribute(u.default.getChildren(this.table[0])[0],"columnalign",f.TexConstant.Align.LEFT),u.default.getAttribute(u.default.getChildren(this.table[e])[0],"columnalign")||u.default.setAttribute(u.default.getChildren(this.table[e])[0],"columnalign",f.TexConstant.Align.RIGHT);var n=this.factory.configuration.tags.getTag();if(n){r=this.arraydef.side===f.TexConstant.Align.LEFT?0:this.table.length-1;var a=this.table[r],o=this.create("node","mlabeledtr",[n].concat(u.default.getChildren(a)));u.default.copyAttributes(a,o),this.table[r]=o}}this.factory.configuration.tags.end()},e}(s.ArrayItem);e.MultlineItem=d;var h=function(t){function e(e,r,n,a,o){var i=t.call(this,e)||this;return i.name=r,i.numbered=n,i.padded=a,i.center=o,i.factory.configuration.tags.start(r,n,n),i}return a(e,t),Object.defineProperty(e.prototype,"kind",{get:function(){return"flalign"},enumerable:!1,configurable:!0}),e.prototype.EndEntry=function(){t.prototype.EndEntry.call(this);var e=this.getProperty("xalignat");if(e&&this.row.length>e)throw new c.default("XalignOverflow","Extra %1 in row of %2","&",this.name)},e.prototype.EndRow=function(){for(var e,r=this.row,n=this.getProperty("xalignat");r.length<n;)r.push(this.create("node","mtd"));for(this.row=[],this.padded&&this.row.push(this.create("node","mtd"));e=r.shift();)this.row.push(e),(e=r.shift())&&this.row.push(e),(r.length||this.padded)&&this.row.push(this.create("node","mtd"));this.row.length>this.maxrow&&(this.maxrow=this.row.length),t.prototype.EndRow.call(this);var a=this.table[this.table.length-1];if(this.getProperty("zeroWidthLabel")&&a.isKind("mlabeledtr")){var i=u.default.getChildren(a)[0],s=this.factory.configuration.options.tagSide,l=o({width:0},"right"===s?{lspace:"-1width"}:{}),c=this.create("node","mpadded",u.default.getChildren(i),l);i.setChildren([c])}},e.prototype.EndTable=function(){(t.prototype.EndTable.call(this),this.center)&&(this.maxrow<=2&&(delete this.arraydef.width,delete this.global.indentalign))},e}(s.EqnArrayItem);e.FlalignItem=h},8285:function(t,e,r){var n=this&&this.__createBinding||(Object.create?function(t,e,r,n){void 0===n&&(n=r);var a=Object.getOwnPropertyDescriptor(e,r);a&&!("get"in a?!e.__esModule:a.writable||a.configurable)||(a={enumerable:!0,get:function(){return e[r]}}),Object.defineProperty(t,n,a)}:function(t,e,r,n){void 0===n&&(n=r),t[n]=e[r]}),a=this&&this.__setModuleDefault||(Object.create?function(t,e){Object.defineProperty(t,"default",{enumerable:!0,value:e})}:function(t,e){t.default=e}),o=this&&this.__importStar||function(t){if(t&&t.__esModule)return t;var e={};if(null!=t)for(var r in t)"default"!==r&&Object.prototype.hasOwnProperty.call(t,r)&&n(e,t,r);return a(e,t),e},i=this&&this.__importDefault||function(t){return t&&t.__esModule?t:{default:t}};Object.defineProperty(e,"__esModule",{value:!0});var s=r(2684),l=o(r(7628)),u=r(7007),c=i(r(4708)),f=i(r(7702)),d=r(8921),h=r(6914);new l.CharacterMap("AMSmath-mathchar0mo",c.default.mathchar0mo,{iiiint:["\u2a0c",{texClass:d.TEXCLASS.OP}]}),new l.RegExpMap("AMSmath-operatorLetter",s.AmsMethods.operatorLetter,/[-*]/i),new l.CommandMap("AMSmath-macros",{mathring:["Accent","02DA"],nobreakspace:"Tilde",negmedspace:["Spacer",h.MATHSPACE.negativemediummathspace],negthickspace:["Spacer",h.MATHSPACE.negativethickmathspace],idotsint:["MultiIntegral","\\int\\cdots\\int"],dddot:["Accent","20DB"],ddddot:["Accent","20DC"],sideset:"SideSet",boxed:["Macro","\\fbox{$\\displaystyle{#1}$}",1],tag:"HandleTag",notag:"HandleNoTag",eqref:["HandleRef",!0],substack:["Macro","\\begin{subarray}{c}#1\\end{subarray}",1],injlim:["NamedOp","inj&thinsp;lim"],projlim:["NamedOp","proj&thinsp;lim"],varliminf:["Macro","\\mathop{\\underline{\\mmlToken{mi}{lim}}}"],varlimsup:["Macro","\\mathop{\\overline{\\mmlToken{mi}{lim}}}"],varinjlim:["Macro","\\mathop{\\underrightarrow{\\mmlToken{mi}{lim}}}"],varprojlim:["Macro","\\mathop{\\underleftarrow{\\mmlToken{mi}{lim}}}"],DeclareMathOperator:"HandleDeclareOp",operatorname:"HandleOperatorName",genfrac:"Genfrac",frac:["Genfrac","","","",""],tfrac:["Genfrac","","","","1"],dfrac:["Genfrac","","","","0"],binom:["Genfrac","(",")","0",""],tbinom:["Genfrac","(",")","0","1"],dbinom:["Genfrac","(",")","0","0"],cfrac:"CFrac",shoveleft:["HandleShove",u.TexConstant.Align.LEFT],shoveright:["HandleShove",u.TexConstant.Align.RIGHT],xrightarrow:["xArrow",8594,5,10],xleftarrow:["xArrow",8592,10,5]},s.AmsMethods),new l.EnvironmentMap("AMSmath-environment",c.default.environment,{"equation*":["Equation",null,!1],"eqnarray*":["EqnArray",null,!1,!0,"rcl",f.default.cols(0,h.MATHSPACE.thickmathspace),".5em"],align:["EqnArray",null,!0,!0,"rl",f.default.cols(0,2)],"align*":["EqnArray",null,!1,!0,"rl",f.default.cols(0,2)],multline:["Multline",null,!0],"multline*":["Multline",null,!1],split:["EqnArray",null,!1,!1,"rl",f.default.cols(0)],gather:["EqnArray",null,!0,!0,"c"],"gather*":["EqnArray",null,!1,!0,"c"],alignat:["AlignAt",null,!0,!0],"alignat*":["AlignAt",null,!1,!0],alignedat:["AlignAt",null,!1,!1],aligned:["AmsEqnArray",null,null,null,"rl",f.default.cols(0,2),".5em","D"],gathered:["AmsEqnArray",null,null,null,"c",null,".5em","D"],xalignat:["XalignAt",null,!0,!0],"xalignat*":["XalignAt",null,!1,!0],xxalignat:["XalignAt",null,!1,!1],flalign:["FlalignArray",null,!0,!1,!0,"rlc","auto auto fit"],"flalign*":["FlalignArray",null,!1,!1,!0,"rlc","auto auto fit"],subarray:["Array",null,null,null,null,f.default.cols(0),"0.1em","S",1],smallmatrix:["Array",null,null,null,"c",f.default.cols(1/3),".2em","S",1],matrix:["Array",null,null,null,"c"],pmatrix:["Array",null,"(",")","c"],bmatrix:["Array",null,"[","]","c"],Bmatrix:["Array",null,"\\{","\\}","c"],vmatrix:["Array",null,"\\vert","\\vert","c"],Vmatrix:["Array",null,"\\Vert","\\Vert","c"],cases:["Array",null,"\\{",".","ll",null,".2em","T"]},s.AmsMethods),new l.DelimiterMap("AMSmath-delimiter",c.default.delimiter,{"\\lvert":["|",{texClass:d.TEXCLASS.OPEN}],"\\rvert":["|",{texClass:d.TEXCLASS.CLOSE}],"\\lVert":["\u2016",{texClass:d.TEXCLASS.OPEN}],"\\rVert":["\u2016",{texClass:d.TEXCLASS.CLOSE}]}),new l.CharacterMap("AMSsymbols-mathchar0mi",c.default.mathchar0mi,{digamma:"\u03dd",varkappa:"\u03f0",varGamma:["\u0393",{mathvariant:u.TexConstant.Variant.ITALIC}],varDelta:["\u0394",{mathvariant:u.TexConstant.Variant.ITALIC}],varTheta:["\u0398",{mathvariant:u.TexConstant.Variant.ITALIC}],varLambda:["\u039b",{mathvariant:u.TexConstant.Variant.ITALIC}],varXi:["\u039e",{mathvariant:u.TexConstant.Variant.ITALIC}],varPi:["\u03a0",{mathvariant:u.TexConstant.Variant.ITALIC}],varSigma:["\u03a3",{mathvariant:u.TexConstant.Variant.ITALIC}],varUpsilon:["\u03a5",{mathvariant:u.TexConstant.Variant.ITALIC}],varPhi:["\u03a6",{mathvariant:u.TexConstant.Variant.ITALIC}],varPsi:["\u03a8",{mathvariant:u.TexConstant.Variant.ITALIC}],varOmega:["\u03a9",{mathvariant:u.TexConstant.Variant.ITALIC}],beth:"\u2136",gimel:"\u2137",daleth:"\u2138",backprime:["\u2035",{variantForm:!0}],hslash:"\u210f",varnothing:["\u2205",{variantForm:!0}],blacktriangle:"\u25b4",triangledown:["\u25bd",{variantForm:!0}],blacktriangledown:"\u25be",square:"\u25fb",Box:"\u25fb",blacksquare:"\u25fc",lozenge:"\u25ca",Diamond:"\u25ca",blacklozenge:"\u29eb",circledS:["\u24c8",{mathvariant:u.TexConstant.Variant.NORMAL}],bigstar:"\u2605",sphericalangle:"\u2222",measuredangle:"\u2221",nexists:"\u2204",complement:"\u2201",mho:"\u2127",eth:["\xf0",{mathvariant:u.TexConstant.Variant.NORMAL}],Finv:"\u2132",diagup:"\u2571",Game:"\u2141",diagdown:"\u2572",Bbbk:["k",{mathvariant:u.TexConstant.Variant.DOUBLESTRUCK}],yen:"\xa5",circledR:"\xae",checkmark:"\u2713",maltese:"\u2720"}),new l.CharacterMap("AMSsymbols-mathchar0mo",c.default.mathchar0mo,{dotplus:"\u2214",ltimes:"\u22c9",smallsetminus:["\u2216",{variantForm:!0}],rtimes:"\u22ca",Cap:"\u22d2",doublecap:"\u22d2",leftthreetimes:"\u22cb",Cup:"\u22d3",doublecup:"\u22d3",rightthreetimes:"\u22cc",barwedge:"\u22bc",curlywedge:"\u22cf",veebar:"\u22bb",curlyvee:"\u22ce",doublebarwedge:"\u2a5e",boxminus:"\u229f",circleddash:"\u229d",boxtimes:"\u22a0",circledast:"\u229b",boxdot:"\u22a1",circledcirc:"\u229a",boxplus:"\u229e",centerdot:["\u22c5",{variantForm:!0}],divideontimes:"\u22c7",intercal:"\u22ba",leqq:"\u2266",geqq:"\u2267",leqslant:"\u2a7d",geqslant:"\u2a7e",eqslantless:"\u2a95",eqslantgtr:"\u2a96",lesssim:"\u2272",gtrsim:"\u2273",lessapprox:"\u2a85",gtrapprox:"\u2a86",approxeq:"\u224a",lessdot:"\u22d6",gtrdot:"\u22d7",lll:"\u22d8",llless:"\u22d8",ggg:"\u22d9",gggtr:"\u22d9",lessgtr:"\u2276",gtrless:"\u2277",lesseqgtr:"\u22da",gtreqless:"\u22db",lesseqqgtr:"\u2a8b",gtreqqless:"\u2a8c",doteqdot:"\u2251",Doteq:"\u2251",eqcirc:"\u2256",risingdotseq:"\u2253",circeq:"\u2257",fallingdotseq:"\u2252",triangleq:"\u225c",backsim:"\u223d",thicksim:["\u223c",{variantForm:!0}],backsimeq:"\u22cd",thickapprox:["\u2248",{variantForm:!0}],subseteqq:"\u2ac5",supseteqq:"\u2ac6",Subset:"\u22d0",Supset:"\u22d1",sqsubset:"\u228f",sqsupset:"\u2290",preccurlyeq:"\u227c",succcurlyeq:"\u227d",curlyeqprec:"\u22de",curlyeqsucc:"\u22df",precsim:"\u227e",succsim:"\u227f",precapprox:"\u2ab7",succapprox:"\u2ab8",vartriangleleft:"\u22b2",lhd:"\u22b2",vartriangleright:"\u22b3",rhd:"\u22b3",trianglelefteq:"\u22b4",unlhd:"\u22b4",trianglerighteq:"\u22b5",unrhd:"\u22b5",vDash:["\u22a8",{variantForm:!0}],Vdash:"\u22a9",Vvdash:"\u22aa",smallsmile:["\u2323",{variantForm:!0}],shortmid:["\u2223",{variantForm:!0}],smallfrown:["\u2322",{variantForm:!0}],shortparallel:["\u2225",{variantForm:!0}],bumpeq:"\u224f",between:"\u226c",Bumpeq:"\u224e",pitchfork:"\u22d4",varpropto:["\u221d",{variantForm:!0}],backepsilon:"\u220d",blacktriangleleft:"\u25c2",blacktriangleright:"\u25b8",therefore:"\u2234",because:"\u2235",eqsim:"\u2242",vartriangle:["\u25b3",{variantForm:!0}],Join:"\u22c8",nless:"\u226e",ngtr:"\u226f",nleq:"\u2270",ngeq:"\u2271",nleqslant:["\u2a87",{variantForm:!0}],ngeqslant:["\u2a88",{variantForm:!0}],nleqq:["\u2270",{variantForm:!0}],ngeqq:["\u2271",{variantForm:!0}],lneq:"\u2a87",gneq:"\u2a88",lneqq:"\u2268",gneqq:"\u2269",lvertneqq:["\u2268",{variantForm:!0}],gvertneqq:["\u2269",{variantForm:!0}],lnsim:"\u22e6",gnsim:"\u22e7",lnapprox:"\u2a89",gnapprox:"\u2a8a",nprec:"\u2280",nsucc:"\u2281",npreceq:["\u22e0",{variantForm:!0}],nsucceq:["\u22e1",{variantForm:!0}],precneqq:"\u2ab5",succneqq:"\u2ab6",precnsim:"\u22e8",succnsim:"\u22e9",precnapprox:"\u2ab9",succnapprox:"\u2aba",nsim:"\u2241",ncong:"\u2247",nshortmid:["\u2224",{variantForm:!0}],nshortparallel:["\u2226",{variantForm:!0}],nmid:"\u2224",nparallel:"\u2226",nvdash:"\u22ac",nvDash:"\u22ad",nVdash:"\u22ae",nVDash:"\u22af",ntriangleleft:"\u22ea",ntriangleright:"\u22eb",ntrianglelefteq:"\u22ec",ntrianglerighteq:"\u22ed",nsubseteq:"\u2288",nsupseteq:"\u2289",nsubseteqq:["\u2288",{variantForm:!0}],nsupseteqq:["\u2289",{variantForm:!0}],subsetneq:"\u228a",supsetneq:"\u228b",varsubsetneq:["\u228a",{variantForm:!0}],varsupsetneq:["\u228b",{variantForm:!0}],subsetneqq:"\u2acb",supsetneqq:"\u2acc",varsubsetneqq:["\u2acb",{variantForm:!0}],varsupsetneqq:["\u2acc",{variantForm:!0}],leftleftarrows:"\u21c7",rightrightarrows:"\u21c9",leftrightarrows:"\u21c6",rightleftarrows:"\u21c4",Lleftarrow:"\u21da",Rrightarrow:"\u21db",twoheadleftarrow:"\u219e",twoheadrightarrow:"\u21a0",leftarrowtail:"\u21a2",rightarrowtail:"\u21a3",looparrowleft:"\u21ab",looparrowright:"\u21ac",leftrightharpoons:"\u21cb",rightleftharpoons:["\u21cc",{variantForm:!0}],curvearrowleft:"\u21b6",curvearrowright:"\u21b7",circlearrowleft:"\u21ba",circlearrowright:"\u21bb",Lsh:"\u21b0",Rsh:"\u21b1",upuparrows:"\u21c8",downdownarrows:"\u21ca",upharpoonleft:"\u21bf",upharpoonright:"\u21be",downharpoonleft:"\u21c3",restriction:"\u21be",multimap:"\u22b8",downharpoonright:"\u21c2",leftrightsquigarrow:"\u21ad",rightsquigarrow:"\u21dd",leadsto:"\u21dd",dashrightarrow:"\u21e2",dashleftarrow:"\u21e0",nleftarrow:"\u219a",nrightarrow:"\u219b",nLeftarrow:"\u21cd",nRightarrow:"\u21cf",nleftrightarrow:"\u21ae",nLeftrightarrow:"\u21ce"}),new l.DelimiterMap("AMSsymbols-delimiter",c.default.delimiter,{"\\ulcorner":"\u231c","\\urcorner":"\u231d","\\llcorner":"\u231e","\\lrcorner":"\u231f"}),new l.CommandMap("AMSsymbols-macros",{implies:["Macro","\\;\\Longrightarrow\\;"],impliedby:["Macro","\\;\\Longleftarrow\\;"]},s.AmsMethods)},2684:function(t,e,r){var n=this&&this.__assign||function(){return n=Object.assign||function(t){for(var e,r=1,n=arguments.length;r<n;r++)for(var a in e=arguments[r])Object.prototype.hasOwnProperty.call(e,a)&&(t[a]=e[a]);return t},n.apply(this,arguments)},a=this&&this.__read||function(t,e){var r="function"==typeof Symbol&&t[Symbol.iterator];if(!r)return t;var n,a,o=r.call(t),i=[];try{for(;(void 0===e||e-- >0)&&!(n=o.next()).done;)i.push(n.value)}catch(t){a={error:t}}finally{try{n&&!n.done&&(r=o.return)&&r.call(o)}finally{if(a)throw a.error}}return i},o=this&&this.__importDefault||function(t){return t&&t.__esModule?t:{default:t}};Object.defineProperty(e,"__esModule",{value:!0}),e.NEW_OPS=e.AmsMethods=void 0;var i=o(r(7702)),s=o(r(4708)),l=o(r(8321)),u=r(7007),c=o(r(810)),f=o(r(3466)),d=r(4237),h=o(r(724)),p=r(8921);function m(t){if(!t||t.isInferred&&0===t.childNodes.length)return[null,null];if(t.isKind("msubsup")&&g(t))return[t,null];var e=l.default.getChildAt(t,0);return t.isInferred&&e&&g(e)?(t.childNodes.splice(0,1),[e,t]):[null,t]}function g(t){var e=t.childNodes[0];return e&&e.isKind("mi")&&""===e.getText()}e.AmsMethods={},e.AmsMethods.AmsEqnArray=function(t,e,r,n,a,o,s){var l=t.GetBrackets("\\begin{"+e.getName()+"}"),u=h.default.EqnArray(t,e,r,n,a,o,s);return i.default.setArrayAlign(u,l)},e.AmsMethods.AlignAt=function(t,r,n,a){var o,s,l=r.getName(),u="",c=[];if(a||(s=t.GetBrackets("\\begin{"+l+"}")),(o=t.GetArgument("\\begin{"+l+"}")).match(/[^0-9]/))throw new f.default("PositiveIntegerArg","Argument to %1 must me a positive integer","\\begin{"+l+"}");for(var 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argument"],sup:["MissingOpenForSup","Missing open brace for superscript"],sub:["MissingOpenForSub","Missing open brace for subscript"]}),e}(p.BaseItem);e.SubsupItem=A;var M=function(t){function e(e){var r=t.call(this,e)||this;return r.setProperty("name","\\over"),r}return a(e,t),Object.defineProperty(e.prototype,"kind",{get:function(){return"over"},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,"isClose",{get:function(){return!0},enumerable:!1,configurable:!0}),e.prototype.checkItem=function(e){if(e.isKind("over"))throw new f.default("AmbiguousUseOf","Ambiguous use of %1",e.getName());if(e.isClose){var r=this.create("node","mfrac",[this.getProperty("num"),this.toMml(!1)]);return null!=this.getProperty("thickness")&&h.default.setAttribute(r,"linethickness",this.getProperty("thickness")),(this.getProperty("open")||this.getProperty("close"))&&(h.default.setProperty(r,"withDelims",!0),r=d.default.fixedFence(this.factory.configuration,this.getProperty("open"),r,this.getProperty("close"))),[[this.factory.create("mml",r),e],!0]}return t.prototype.checkItem.call(this,e)},e.prototype.toString=function(){return"over["+this.getProperty("num")+" / "+this.nodes.join("; ")+"]"},e}(p.BaseItem);e.OverItem=M;var x=function(t){function e(e,r){var n=t.call(this,e)||this;return n.setProperty("delim",r),n}return a(e,t),Object.defineProperty(e.prototype,"kind",{get:function(){return"left"},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,"isOpen",{get:function(){return!0},enumerable:!1,configurable:!0}),e.prototype.checkItem=function(e){if(e.isKind("right"))return[[this.factory.create("mml",d.default.fenced(this.factory.configuration,this.getProperty("delim"),this.toMml(),e.getProperty("delim"),"",e.getProperty("color")))],!0];if(e.isKind("middle")){var r={stretchy:!0};return e.getProperty("color")&&(r.mathcolor=e.getProperty("color")),this.Push(this.create("node","TeXAtom",[],{texClass:c.TEXCLASS.CLOSE}),this.create("token","mo",r,e.getProperty("delim")),this.create("node","TeXAtom",[],{texClass:c.TEXCLASS.OPEN})),this.env={},[[this],!0]}return t.prototype.checkItem.call(this,e)},e.errors=Object.assign(Object.create(p.BaseItem.errors),{stop:["ExtraLeftMissingRight","Extra \\left or missing \\right"]}),e}(p.BaseItem);e.LeftItem=x;var w=function(t){function e(e,r,n){var a=t.call(this,e)||this;return a.setProperty("delim",r),n&&a.setProperty("color",n),a}return a(e,t),Object.defineProperty(e.prototype,"kind",{get:function(){return"middle"},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,"isClose",{get:function(){return!0},enumerable:!1,configurable:!0}),e}(p.BaseItem);e.Middle=w;var O=function(t){function e(e,r,n){var a=t.call(this,e)||this;return a.setProperty("delim",r),n&&a.setProperty("color",n),a}return a(e,t),Object.defineProperty(e.prototype,"kind",{get:function(){return"right"},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,"isClose",{get:function(){return!0},enumerable:!1,configurable:!0}),e}(p.BaseItem);e.RightItem=O;var S=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return a(e,t),Object.defineProperty(e.prototype,"kind",{get:function(){return"begin"},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,"isOpen",{get:function(){return!0},enumerable:!1,configurable:!0}),e.prototype.checkItem=function(e){if(e.isKind("end")){if(e.getName()!==this.getName())throw new f.default("EnvBadEnd","\\begin{%1} ended with \\end{%2}",this.getName(),e.getName());return this.getProperty("end")?p.BaseItem.fail:[[this.factory.create("mml",this.toMml())],!0]}if(e.isKind("stop"))throw new f.default("EnvMissingEnd","Missing \\end{%1}",this.getName());return t.prototype.checkItem.call(this,e)},e}(p.BaseItem);e.BeginItem=S;var T=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return a(e,t),Object.defineProperty(e.prototype,"kind",{get:function(){return"end"},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,"isClose",{get:function(){return!0},enumerable:!1,configurable:!0}),e}(p.BaseItem);e.EndItem=T;var P=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return a(e,t),Object.defineProperty(e.prototype,"kind",{get:function(){return"style"},enumerable:!1,configurable:!0}),e.prototype.checkItem=function(e){if(!e.isClose)return t.prototype.checkItem.call(this,e);var r=this.create("node","mstyle",this.nodes,this.getProperty("styles"));return[[this.factory.create("mml",r),e],!0]},e}(p.BaseItem);e.StyleItem=P;var C=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return a(e,t),Object.defineProperty(e.prototype,"kind",{get:function(){return"position"},enumerable:!1,configurable:!0}),e.prototype.checkItem=function(e){if(e.isClose)throw new f.default("MissingBoxFor","Missing box for %1",this.getName());if(e.isFinal){var r=e.toMml();switch(this.getProperty("move")){case"vertical":return r=this.create("node","mpadded",[r],{height:this.getProperty("dh"),depth:this.getProperty("dd"),voffset:this.getProperty("dh")}),[[this.factory.create("mml",r)],!0];case"horizontal":return[[this.factory.create("mml",this.getProperty("left")),e,this.factory.create("mml",this.getProperty("right"))],!0]}}return t.prototype.checkItem.call(this,e)},e}(p.BaseItem);e.PositionItem=C;var _=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return a(e,t),Object.defineProperty(e.prototype,"kind",{get:function(){return"cell"},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,"isClose",{get:function(){return!0},enumerable:!1,configurable:!0}),e}(p.BaseItem);e.CellItem=_;var E=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return a(e,t),Object.defineProperty(e.prototype,"isFinal",{get:function(){return!0},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,"kind",{get:function(){return"mml"},enumerable:!1,configurable:!0}),e}(p.BaseItem);e.MmlItem=E;var k=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return a(e,t),Object.defineProperty(e.prototype,"kind",{get:function(){return"fn"},enumerable:!1,configurable:!0}),e.prototype.checkItem=function(e){var r=this.First;if(r){if(e.isOpen)return p.BaseItem.success;if(!e.isKind("fn")){var n=e.First;if(!e.isKind("mml")||!n)return[[r,e],!0];if(h.default.isType(n,"mstyle")&&n.childNodes.length&&h.default.isType(n.childNodes[0].childNodes[0],"mspace")||h.default.isType(n,"mspace"))return[[r,e],!0];h.default.isEmbellished(n)&&(n=h.default.getCoreMO(n));var a=h.default.getForm(n);if(null!=a&&[0,0,1,1,0,1,1,0,0,0][a[2]])return[[r,e],!0]}var o=this.create("token","mo",{texClass:c.TEXCLASS.NONE},u.entities.ApplyFunction);return[[r,o,e],!0]}return t.prototype.checkItem.apply(this,arguments)},e}(p.BaseItem);e.FnItem=k;var I=function(t){function e(){var e=null!==t&&t.apply(this,arguments)||this;return e.remap=l.MapHandler.getMap("not_remap"),e}return a(e,t),Object.defineProperty(e.prototype,"kind",{get:function(){return"not"},enumerable:!1,configurable:!0}),e.prototype.checkItem=function(t){var e,r,n;if(t.isKind("open")||t.isKind("left"))return p.BaseItem.success;if(t.isKind("mml")&&(h.default.isType(t.First,"mo")||h.default.isType(t.First,"mi")||h.default.isType(t.First,"mtext"))&&(e=t.First,1===(r=h.default.getText(e)).length&&!h.default.getProperty(e,"movesupsub")&&1===h.default.getChildren(e).length))return this.remap.contains(r)?(n=this.create("text",this.remap.lookup(r).char),h.default.setChild(e,0,n)):(n=this.create("text","\u0338"),h.default.appendChildren(e,[n])),[[t],!0];n=this.create("text","\u29f8");var a=this.create("node","mtext",[],{},n),o=this.create("node","mpadded",[a],{width:0});return[[e=this.create("node","TeXAtom",[o],{texClass:c.TEXCLASS.REL}),t],!0]},e}(p.BaseItem);e.NotItem=I;var L=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return a(e,t),Object.defineProperty(e.prototype,"kind",{get:function(){return"nonscript"},enumerable:!1,configurable:!0}),e.prototype.checkItem=function(t){if(t.isKind("mml")&&1===t.Size()){var e=t.First;if(e.isKind("mstyle")&&e.notParent&&(e=h.default.getChildren(h.default.getChildren(e)[0])[0]),e.isKind("mspace")){if(e!==t.First){var r=this.create("node","mrow",[t.Pop()]);t.Push(r)}this.factory.configuration.addNode("nonscript",t.First)}}return[[t],!0]},e}(p.BaseItem);e.NonscriptItem=L;var N=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return a(e,t),Object.defineProperty(e.prototype,"kind",{get:function(){return"dots"},enumerable:!1,configurable:!0}),e.prototype.checkItem=function(t){if(t.isKind("open")||t.isKind("left"))return p.BaseItem.success;var e=this.getProperty("ldots"),r=t.First;if(t.isKind("mml")&&h.default.isEmbellished(r)){var n=h.default.getTexClass(h.default.getCoreMO(r));n!==c.TEXCLASS.BIN&&n!==c.TEXCLASS.REL||(e=this.getProperty("cdots"))}return[[e,t],!0]},e}(p.BaseItem);e.DotsItem=N;var F=function(t){function e(){var e=null!==t&&t.apply(this,arguments)||this;return e.table=[],e.row=[],e.frame=[],e.hfill=[],e.arraydef={},e.dashed=!1,e}return a(e,t),Object.defineProperty(e.prototype,"kind",{get:function(){return"array"},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,"isOpen",{get:function(){return!0},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,"copyEnv",{get:function(){return!1},enumerable:!1,configurable:!0}),e.prototype.checkItem=function(e){if(e.isClose&&!e.isKind("over")){if(e.getProperty("isEntry"))return this.EndEntry(),this.clearEnv(),p.BaseItem.fail;if(e.getProperty("isCR"))return this.EndEntry(),this.EndRow(),this.clearEnv(),p.BaseItem.fail;this.EndTable(),this.clearEnv();var r=this.factory.create("mml",this.createMml());if(this.getProperty("requireClose")){if(e.isKind("close"))return[[r],!0];throw new f.default("MissingCloseBrace","Missing close brace")}return[[r,e],!0]}return t.prototype.checkItem.call(this,e)},e.prototype.createMml=function(){var t=this.arraydef.scriptlevel;delete this.arraydef.scriptlevel;var e=this.create("node","mtable",this.table,this.arraydef);return t&&e.setProperty("scriptlevel",t),4===this.frame.length?h.default.setAttribute(e,"frame",this.dashed?"dashed":"solid"):this.frame.length&&(this.arraydef.rowlines&&(this.arraydef.rowlines=this.arraydef.rowlines.replace(/none( none)+$/,"none")),h.default.setAttribute(e,"frame",""),e=this.create("node","menclose",[e],{notation:this.frame.join(" ")}),"none"===(this.arraydef.columnlines||"none")&&"none"===(this.arraydef.rowlines||"none")||h.default.setAttribute(e,"data-padding",0)),(this.getProperty("open")||this.getProperty("close"))&&(e=d.default.fenced(this.factory.configuration,this.getProperty("open"),e,this.getProperty("close"))),e},e.prototype.EndEntry=function(){var t=this.create("node","mtd",this.nodes);this.hfill.length&&(0===this.hfill[0]&&h.default.setAttribute(t,"columnalign","right"),this.hfill[this.hfill.length-1]===this.Size()&&h.default.setAttribute(t,"columnalign",h.default.getAttribute(t,"columnalign")?"center":"left")),this.row.push(t),this.Clear(),this.hfill=[]},e.prototype.EndRow=function(){var t;this.getProperty("isNumbered")&&3===this.row.length?(this.row.unshift(this.row.pop()),t=this.create("node","mlabeledtr",this.row)):t=this.create("node","mtr",this.row),this.table.push(t),this.row=[]},e.prototype.EndTable=function(){(this.Size()||this.row.length)&&(this.EndEntry(),this.EndRow()),this.checkLines()},e.prototype.checkLines=function(){if(this.arraydef.rowlines){var t=this.arraydef.rowlines.split(/ /);t.length===this.table.length?(this.frame.push("bottom"),t.pop(),this.arraydef.rowlines=t.join(" ")):t.length<this.table.length-1&&(this.arraydef.rowlines+=" none")}if(this.getProperty("rowspacing")){for(var e=this.arraydef.rowspacing.split(/ /);e.length<this.table.length;)e.push(this.getProperty("rowspacing")+"em");this.arraydef.rowspacing=e.join(" ")}},e.prototype.addRowSpacing=function(t){if(this.arraydef.rowspacing){var e=this.arraydef.rowspacing.split(/ /);if(!this.getProperty("rowspacing")){var r=d.default.dimen2em(e[0]);this.setProperty("rowspacing",r)}for(var n=this.getProperty("rowspacing");e.length<this.table.length;)e.push(d.default.Em(n));e[this.table.length-1]=d.default.Em(Math.max(0,n+d.default.dimen2em(t))),this.arraydef.rowspacing=e.join(" ")}},e}(p.BaseItem);e.ArrayItem=F;var j=function(t){function e(e){for(var r=[],n=1;n<arguments.length;n++)r[n-1]=arguments[n];var a=t.call(this,e)||this;return a.maxrow=0,a.factory.configuration.tags.start(r[0],r[2],r[1]),a}return a(e,t),Object.defineProperty(e.prototype,"kind",{get:function(){return"eqnarray"},enumerable:!1,configurable:!0}),e.prototype.EndEntry=function(){this.row.length&&d.default.fixInitialMO(this.factory.configuration,this.nodes);var t=this.create("node","mtd",this.nodes);this.row.push(t),this.Clear()},e.prototype.EndRow=function(){this.row.length>this.maxrow&&(this.maxrow=this.row.length);var t="mtr",e=this.factory.configuration.tags.getTag();e&&(this.row=[e].concat(this.row),t="mlabeledtr"),this.factory.configuration.tags.clearTag();var r=this.create("node",t,this.row);this.table.push(r),this.row=[]},e.prototype.EndTable=function(){t.prototype.EndTable.call(this),this.factory.configuration.tags.end(),this.extendArray("columnalign",this.maxrow),this.extendArray("columnwidth",this.maxrow),this.extendArray("columnspacing",this.maxrow-1)},e.prototype.extendArray=function(t,e){if(this.arraydef[t]){var r=this.arraydef[t].split(/ /),n=i([],o(r),!1);if(n.length>1){for(;n.length<e;)n.push.apply(n,i([],o(r),!1));this.arraydef[t]=n.slice(0,e).join(" ")}}},e}(F);e.EqnArrayItem=j;var R=function(t){function e(e){for(var r=[],n=1;n<arguments.length;n++)r[n-1]=arguments[n];var a=t.call(this,e)||this;return a.factory.configuration.tags.start("equation",!0,r[0]),a}return a(e,t),Object.defineProperty(e.prototype,"kind",{get:function(){return"equation"},enumerable:!1,configurable:!0}),Object.defineProperty(e.prototype,"isOpen",{get:function(){return!0},enumerable:!1,configurable:!0}),e.prototype.checkItem=function(e){if(e.isKind("end")){var r=this.toMml(),n=this.factory.configuration.tags.getTag();return this.factory.configuration.tags.end(),[[n?this.factory.configuration.tags.enTag(r,n):r,e],!0]}if(e.isKind("stop"))throw new f.default("EnvMissingEnd","Missing \\end{%1}",this.getName());return t.prototype.checkItem.call(this,e)},e}(p.BaseItem);e.EquationItem=R},4962:function(t,e,r){var n=this&&this.__createBinding||(Object.create?function(t,e,r,n){void 0===n&&(n=r);var a=Object.getOwnPropertyDescriptor(e,r);a&&!("get"in a?!e.__esModule:a.writable||a.configurable)||(a={enumerable:!0,get:function(){return e[r]}}),Object.defineProperty(t,n,a)}:function(t,e,r,n){void 0===n&&(n=r),t[n]=e[r]}),a=this&&this.__setModuleDefault||(Object.create?function(t,e){Object.defineProperty(t,"default",{enumerable:!0,value:e})}:function(t,e){t.default=e}),o=this&&this.__importStar||function(t){if(t&&t.__esModule)return t;var e={};if(null!=t)for(var r in t)"default"!==r&&Object.prototype.hasOwnProperty.call(t,r)&&n(e,t,r);return a(e,t),e},i=this&&this.__importDefault||function(t){return t&&t.__esModule?t:{default:t}};Object.defineProperty(e,"__esModule",{value:!0});var s=o(r(7628)),l=r(7007),u=i(r(724)),c=i(r(4708)),f=i(r(7702)),d=r(8921),h=r(6914);new s.RegExpMap("letter",c.default.variable,/[a-z]/i),new s.RegExpMap("digit",c.default.digit,/[0-9.,]/),new 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subscripts: use braces to clarify");c.default.isType(a,"msubsup")&&!c.default.isType(a,"msup")||(i?((!c.default.isType(a,"munderover")||c.default.isType(a,"mover")||c.default.getChildAt(a,a.under))&&(a=t.create("node","munderover",[a],{movesupsub:!0})),l=a.under):l=(a=t.create("node","msubsup",[a])).sub),t.Push(t.itemFactory.create("subsup",a).setProperties({position:l,primes:n,movesupsub:i}))},A.Prime=function(t,e){var r=t.stack.Prev();if(r||(r=t.create("node","mi")),c.default.isType(r,"msubsup")&&!c.default.isType(r,"msup")&&c.default.getChildAt(r,r.sup))throw new f.default("DoubleExponentPrime","Prime causes double exponent: use braces to clarify");var n="";t.i--;do{n+=v.entities.prime,t.i++,e=t.GetNext()}while("'"===e||e===v.entities.rsquo);n=["","\u2032","\u2033","\u2034","\u2057"][n.length]||n;var a=t.create("token","mo",{variantForm:!0},n);t.Push(t.itemFactory.create("prime",r,a))},A.Comment=function(t,e){for(;t.i<t.string.length&&"\n"!==t.string.charAt(t.i);)t.i++},A.Hash=function(t,e){throw new f.default("CantUseHash1","You can't use 'macro parameter character #' in math mode")},A.MathFont=function(t,e,r){var a=t.GetArgument(e),o=new d.default(a,n(n({},t.stack.env),{font:r,multiLetterIdentifiers:/^[a-zA-Z]+/,noAutoOP:!0}),t.configuration).mml();t.Push(t.create("node","TeXAtom",[o]))},A.SetFont=function(t,e,r){t.stack.env.font=r},A.SetStyle=function(t,e,r,n,a){t.stack.env.style=r,t.stack.env.level=a,t.Push(t.itemFactory.create("style").setProperty("styles",{displaystyle:n,scriptlevel:a}))},A.SetSize=function(t,e,r){t.stack.env.size=r,t.Push(t.itemFactory.create("style").setProperty("styles",{mathsize:(0,y.em)(r)}))},A.Spacer=function(t,e,r){var n=t.create("node","mspace",[],{width:(0,y.em)(r)}),a=t.create("node","mstyle",[n],{scriptlevel:0});t.Push(a)},A.LeftRight=function(t,e){var r=e.substr(1);t.Push(t.itemFactory.create(r,t.GetDelimiter(e),t.stack.env.color))},A.NamedFn=function(t,e,r){r||(r=e.substr(1));var n=t.create("token","mi",{texClass:m.TEXCLASS.OP},r);t.Push(t.itemFactory.create("fn",n))},A.NamedOp=function(t,e,r){r||(r=e.substr(1)),r=r.replace(/&thinsp;/,"\u2006");var n=t.create("token","mo",{movablelimits:!0,movesupsub:!0,form:h.TexConstant.Form.PREFIX,texClass:m.TEXCLASS.OP},r);t.Push(n)},A.Limits=function(t,e,r){var n=t.stack.Prev(!0);if(!n||c.default.getTexClass(c.default.getCoreMO(n))!==m.TEXCLASS.OP&&null==c.default.getProperty(n,"movesupsub"))throw new f.default("MisplacedLimits","%1 is allowed only on operators",t.currentCS);var a,o=t.stack.Top();c.default.isType(n,"munderover")&&!r?(a=t.create("node","msubsup"),c.default.copyChildren(n,a),n=o.Last=a):c.default.isType(n,"msubsup")&&r&&(a=t.create("node","munderover"),c.default.copyChildren(n,a),n=o.Last=a),c.default.setProperty(n,"movesupsub",!!r),c.default.setProperties(c.default.getCoreMO(n),{movablelimits:!1}),(c.default.getAttribute(n,"movablelimits")||c.default.getProperty(n,"movablelimits"))&&c.default.setProperties(n,{movablelimits:!1})},A.Over=function(t,e,r,n){var a=t.itemFactory.create("over").setProperty("name",t.currentCS);r||n?(a.setProperty("open",r),a.setProperty("close",n)):e.match(/withdelims$/)&&(a.setProperty("open",t.GetDelimiter(e)),a.setProperty("close",t.GetDelimiter(e))),e.match(/^\\above/)?a.setProperty("thickness",t.GetDimen(e)):(e.match(/^\\atop/)||r||n)&&a.setProperty("thickness",0),t.Push(a)},A.Frac=function(t,e){var r=t.ParseArg(e),n=t.ParseArg(e),a=t.create("node","mfrac",[r,n]);t.Push(a)},A.Sqrt=function(t,e){var r=t.GetBrackets(e),n=t.GetArgument(e);"\\frac"===n&&(n+="{"+t.GetArgument(n)+"}{"+t.GetArgument(n)+"}");var a=new d.default(n,t.stack.env,t.configuration).mml();a=r?t.create("node","mroot",[a,x(t,r)]):t.create("node","msqrt",[a]),t.Push(a)},A.Root=function(t,e){var r=t.GetUpTo(e,"\\of"),n=t.ParseArg(e),a=t.create("node","mroot",[n,x(t,r)]);t.Push(a)},A.MoveRoot=function(t,e,r){if(!t.stack.env.inRoot)throw new f.default("MisplacedMoveRoot","%1 can appear only within a root",t.currentCS);if(t.stack.global[r])throw new f.default("MultipleMoveRoot","Multiple use of %1",t.currentCS);var n=t.GetArgument(e);if(!n.match(/-?[0-9]+/))throw new f.default("IntegerArg","The argument to %1 must be an integer",t.currentCS);"-"!==(n=parseInt(n,10)/15+"em").substr(0,1)&&(n="+"+n),t.stack.global[r]=n},A.Accent=function(t,e,r,a){var o=t.ParseArg(e),i=n(n({},p.default.getFontDef(t)),{accent:!0,mathaccent:!0}),s=c.default.createEntity(r),l=t.create("token","mo",i,s);c.default.setAttribute(l,"stretchy",!!a);var u=c.default.isEmbellished(o)?c.default.getCoreMO(o):o;(c.default.isType(u,"mo")||c.default.getProperty(u,"movablelimits"))&&c.default.setProperties(u,{movablelimits:!1});var f=t.create("node","munderover");c.default.setChild(f,0,o),c.default.setChild(f,1,null),c.default.setChild(f,2,l);var d=t.create("node","TeXAtom",[f]);t.Push(d)},A.UnderOver=function(t,e,r,n){var a=c.default.createEntity(r),o=t.create("token","mo",{stretchy:!0,accent:!0},a),i="o"===e.charAt(1)?"over":"under",s=t.ParseArg(e);t.Push(p.default.underOver(t,s,o,i,n))},A.Overset=function(t,e){var r=t.ParseArg(e),n=t.ParseArg(e);p.default.checkMovableLimits(n),r.isKind("mo")&&c.default.setAttribute(r,"accent",!1);var a=t.create("node","mover",[n,r]);t.Push(a)},A.Underset=function(t,e){var r=t.ParseArg(e),n=t.ParseArg(e);p.default.checkMovableLimits(n),r.isKind("mo")&&c.default.setAttribute(r,"accent",!1);var a=t.create("node","munder",[n,r],{accentunder:!1});t.Push(a)},A.Overunderset=function(t,e){var r=t.ParseArg(e),n=t.ParseArg(e),a=t.ParseArg(e);p.default.checkMovableLimits(a),r.isKind("mo")&&c.default.setAttribute(r,"accent",!1),n.isKind("mo")&&c.default.setAttribute(n,"accent",!1);var o=t.create("node","munderover",[a,n,r],{accent:!1,accentunder:!1});t.Push(o)},A.TeXAtom=function(t,e,r){var n,a,o,i={texClass:r};if(r===m.TEXCLASS.OP){i.movesupsub=i.movablelimits=!0;var s=t.GetArgument(e),l=s.match(/^\s*\\rm\s+([a-zA-Z0-9 ]+)$/);l?(i.mathvariant=h.TexConstant.Variant.NORMAL,a=t.create("token","mi",i,l[1])):(o=new d.default(s,t.stack.env,t.configuration).mml(),a=t.create("node","TeXAtom",[o],i)),n=t.itemFactory.create("fn",a)}else o=t.ParseArg(e),n=t.create("node","TeXAtom",[o],i);t.Push(n)},A.MmlToken=function(t,e){var r,n=t.GetArgument(e),a=t.GetBrackets(e,"").replace(/^\s+/,""),o=t.GetArgument(e),i={},s=[];try{r=t.create("node",n)}catch(t){r=null}if(!r||!r.isToken)throw new f.default("NotMathMLToken","%1 is not a token element",n);for(;""!==a;){var l=a.match(/^([a-z]+)\s*=\s*('[^']*'|"[^"]*"|[^ ,]*)\s*,?\s*/i);if(!l)throw new f.default("InvalidMathMLAttr","Invalid MathML attribute: %1",a);if(!r.attributes.hasDefault(l[1])&&!M[l[1]])throw new f.default("UnknownAttrForElement","%1 is not a recognized attribute for %2",l[1],n);var u=p.default.MmlFilterAttribute(t,l[1],l[2].replace(/^(['"])(.*)\1$/,"$2"));u&&("true"===u.toLowerCase()?u=!0:"false"===u.toLowerCase()&&(u=!1),i[l[1]]=u,s.push(l[1])),a=a.substr(l[0].length)}s.length&&(i["mjx-keep-attrs"]=s.join(" "));var d=t.create("text",o);r.appendChild(d),c.default.setProperties(r,i),t.Push(r)},A.Strut=function(t,e){var r=t.create("node","mrow"),n=t.create("node","mpadded",[r],{height:"8.6pt",depth:"3pt",width:0});t.Push(n)},A.Phantom=function(t,e,r,n){var a=t.create("node","mphantom",[t.ParseArg(e)]);(r||n)&&(a=t.create("node","mpadded",[a]),n&&(c.default.setAttribute(a,"height",0),c.default.setAttribute(a,"depth",0)),r&&c.default.setAttribute(a,"width",0));var o=t.create("node","TeXAtom",[a]);t.Push(o)},A.Smash=function(t,e){var r=p.default.trimSpaces(t.GetBrackets(e,"")),n=t.create("node","mpadded",[t.ParseArg(e)]);switch(r){case"b":c.default.setAttribute(n,"depth",0);break;case"t":c.default.setAttribute(n,"height",0);break;default:c.default.setAttribute(n,"height",0),c.default.setAttribute(n,"depth",0)}var a=t.create("node","TeXAtom",[n]);t.Push(a)},A.Lap=function(t,e){var r=t.create("node","mpadded",[t.ParseArg(e)],{width:0});"\\llap"===e&&c.default.setAttribute(r,"lspace","-1width");var n=t.create("node","TeXAtom",[r]);t.Push(n)},A.RaiseLower=function(t,e){var r=t.GetDimen(e),n=t.itemFactory.create("position").setProperties({name:t.currentCS,move:"vertical"});"-"===r.charAt(0)&&(r=r.slice(1),e="raise"===e.substr(1)?"\\lower":"\\raise"),"\\lower"===e?(n.setProperty("dh","-"+r),n.setProperty("dd","+"+r)):(n.setProperty("dh","+"+r),n.setProperty("dd","-"+r)),t.Push(n)},A.MoveLeftRight=function(t,e){var r=t.GetDimen(e),n="-"===r.charAt(0)?r.slice(1):"-"+r;if("\\moveleft"===e){var a=r;r=n,n=a}t.Push(t.itemFactory.create("position").setProperties({name:t.currentCS,move:"horizontal",left:t.create("node","mspace",[],{width:r}),right:t.create("node","mspace",[],{width:n})}))},A.Hskip=function(t,e){var r=t.create("node","mspace",[],{width:t.GetDimen(e)});t.Push(r)},A.Nonscript=function(t,e){t.Push(t.itemFactory.create("nonscript"))},A.Rule=function(t,e,r){var n={width:t.GetDimen(e),height:t.GetDimen(e),depth:t.GetDimen(e)};"blank"!==r&&(n.mathbackground=t.stack.env.color||"black");var a=t.create("node","mspace",[],n);t.Push(a)},A.rule=function(t,e){var r=t.GetBrackets(e),n=t.GetDimen(e),a=t.GetDimen(e),o=t.create("node","mspace",[],{width:n,height:a,mathbackground:t.stack.env.color||"black"});r&&(o=t.create("node","mpadded",[o],{voffset:r}),r.match(/^\-/)?(c.default.setAttribute(o,"height",r),c.default.setAttribute(o,"depth","+"+r.substr(1))):c.default.setAttribute(o,"height","+"+r)),t.Push(o)},A.MakeBig=function(t,e,r,n){var a=String(n*=1.411764705882353).replace(/(\.\d\d\d).+/,"$1")+"em",o=t.GetDelimiter(e,!0),i=t.create("token","mo",{minsize:a,maxsize:a,fence:!0,stretchy:!0,symmetric:!0},o),s=t.create("node","TeXAtom",[i],{texClass:r});t.Push(s)},A.BuildRel=function(t,e){var r=t.ParseUpTo(e,"\\over"),n=t.ParseArg(e),a=t.create("node","munderover");c.default.setChild(a,0,n),c.default.setChild(a,1,null),c.default.setChild(a,2,r);var o=t.create("node","TeXAtom",[a],{texClass:m.TEXCLASS.REL});t.Push(o)},A.HBox=function(t,e,r,n){t.PushAll(p.default.internalMath(t,t.GetArgument(e),r,n))},A.FBox=function(t,e){var r=p.default.internalMath(t,t.GetArgument(e)),n=t.create("node","menclose",r,{notation:"box"});t.Push(n)},A.FrameBox=function(t,e){var r=t.GetBrackets(e),n=t.GetBrackets(e)||"c",a=p.default.internalMath(t,t.GetArgument(e));r&&(a=[t.create("node","mpadded",a,{width:r,"data-align":(0,b.lookup)(n,{l:"left",r:"right"},"center")})]);var o=t.create("node","TeXAtom",[t.create("node","menclose",a,{notation:"box"})],{texClass:m.TEXCLASS.ORD});t.Push(o)},A.Not=function(t,e){t.Push(t.itemFactory.create("not"))},A.Dots=function(t,e){var r=c.default.createEntity("2026"),n=c.default.createEntity("22EF"),a=t.create("token","mo",{stretchy:!1},r),o=t.create("token","mo",{stretchy:!1},n);t.Push(t.itemFactory.create("dots").setProperties({ldots:a,cdots:o}))},A.Matrix=function(t,e,r,n,a,o,i,s,l,u){var c=t.GetNext();if(""===c)throw new f.default("MissingArgFor","Missing argument for %1",t.currentCS);"{"===c?t.i++:(t.string=c+"}"+t.string.slice(t.i+1),t.i=0);var d=t.itemFactory.create("array").setProperty("requireClose",!0);d.arraydef={rowspacing:i||"4pt",columnspacing:o||"1em"},l&&d.setProperty("isCases",!0),u&&(d.setProperty("isNumbered",!0),d.arraydef.side=u),(r||n)&&(d.setProperty("open",r),d.setProperty("close",n)),"D"===s&&(d.arraydef.displaystyle=!0),null!=a&&(d.arraydef.columnalign=a),t.Push(d)},A.Entry=function(t,e){t.Push(t.itemFactory.create("cell").setProperties({isEntry:!0,name:e}));var r=t.stack.Top(),n=r.getProperty("casesEnv");if(r.getProperty("isCases")||n){for(var a=t.string,o=0,i=-1,s=t.i,l=a.length,u=n?new RegExp("^\\\\end\\s*\\{".concat(n.replace(/\*/,"\\*"),"\\}")):null;s<l;){var c=a.charAt(s);if("{"===c)o++,s++;else if("}"===c)0===o?l=0:(0===--o&&i<0&&(i=s-t.i),s++);else{if("&"===c&&0===o)throw new f.default("ExtraAlignTab","Extra alignment tab in \\cases text");if("\\"===c){var d=a.substr(s);d.match(/^((\\cr)[^a-zA-Z]|\\\\)/)||u&&d.match(u)?l=0:s+=2}else s++}}var h=a.substr(t.i,s-t.i);if(!h.match(/^\s*\\text[^a-zA-Z]/)||i!==h.replace(/\s+$/,"").length-1){var m=p.default.internalMath(t,p.default.trimSpaces(h),0);t.PushAll(m),t.i=s}}},A.Cr=function(t,e){t.Push(t.itemFactory.create("cell").setProperties({isCR:!0,name:e}))},A.CrLaTeX=function(t,e,r){var n;if(void 0===r&&(r=!1),!r&&("*"===t.string.charAt(t.i)&&t.i++,"["===t.string.charAt(t.i))){var a=t.GetBrackets(e,""),o=s(p.default.matchDimen(a),2),i=o[0],l=o[1];if(a&&!i)throw new f.default("BracketMustBeDimension","Bracket argument to %1 must be a dimension",t.currentCS);n=i+l}t.Push(t.itemFactory.create("cell").setProperties({isCR:!0,name:e,linebreak:!0}));var c,d=t.stack.Top();d instanceof u.ArrayItem?n&&d.addRowSpacing(n):(n&&(c=t.create("node","mspace",[],{depth:n}),t.Push(c)),c=t.create("node","mspace",[],{linebreak:h.TexConstant.LineBreak.NEWLINE}),t.Push(c))},A.HLine=function(t,e,r){null==r&&(r="solid");var n=t.stack.Top();if(!(n instanceof u.ArrayItem)||n.Size())throw new f.default("Misplaced","Misplaced %1",t.currentCS);if(n.table.length){for(var a=n.arraydef.rowlines?n.arraydef.rowlines.split(/ /):[];a.length<n.table.length;)a.push("none");a[n.table.length-1]=r,n.arraydef.rowlines=a.join(" ")}else n.frame.push("top")},A.HFill=function(t,e){var r=t.stack.Top();if(!(r instanceof u.ArrayItem))throw new f.default("UnsupportedHFill","Unsupported use of %1",t.currentCS);r.hfill.push(r.Size())},A.BeginEnd=function(t,e){var r=t.GetArgument(e);if(r.match(/\\/i))throw new f.default("InvalidEnv","Invalid environment name '%1'",r);var n=t.configuration.handlers.get("environment").lookup(r);if(n&&"\\end"===e){if(!n.args[0]){var 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