yeda-reader 0.1.7

yeda's PDF reader and annotator
Documentation
1
2
/*! For license information please see 903.js.LICENSE.txt */
"use strict";(self.webpackChunkpdf_reader=self.webpackChunkpdf_reader||[]).push([[903],{78:function(t,e,r){var n,o=this&&this.__extends||(n=function(t,e){return n=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var r in e)Object.prototype.hasOwnProperty.call(e,r)&&(t[r]=e[r])},n(t,e)},function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Class extends value "+String(e)+" is not a constructor or null");function r(){this.constructor=t}n(t,e),t.prototype=null===e?Object.create(e):(r.prototype=e.prototype,new r)}),i=this&&this.__read||function(t,e){var r="function"==typeof Symbol&&t[Symbol.iterator];if(!r)return t;var n,o,i=r.call(t),a=[];try{for(;(void 0===e||e-- >0)&&!(n=i.next()).done;)a.push(n.value)}catch(t){o={error:t}}finally{try{n&&!n.done&&(r=i.return)&&r.call(i)}finally{if(o)throw o.error}}return a},a=this&&this.__spreadArray||function(t,e,r){if(r||2===arguments.length)for(var n,o=0,i=e.length;o<i;o++)!n&&o in 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t||e.node.isKind("mlabeledtr")}),!1),n.findContainer(),n.isTop=!n.container||n.container.node.isKind("math")&&!n.container.parent,n.isTop&&(n.jax.table=n),n.getPercentageWidth();var o=n.node.attributes;return n.frame="none"!==o.get("frame"),n.fLine=n.frame&&o.get("frame")?.07:0,n.fSpace=n.frame?n.convertLengths(n.getAttributeArray("framespacing")):[0,0],n.cSpace=n.convertLengths(n.getColumnAttributes("columnspacing")),n.rSpace=n.convertLengths(n.getRowAttributes("rowspacing")),n.cLines=n.getColumnAttributes("columnlines").map((function(t){return"none"===t?0:.07})),n.rLines=n.getRowAttributes("rowlines").map((function(t){return"none"===t?0:.07})),n.cWidths=n.getColumnWidths(),n.stretchRows(),n.stretchColumns(),n}return o(e,t),Object.defineProperty(e.prototype,"tableRows",{get:function(){return this.childNodes},enumerable:!1,configurable:!0}),e.prototype.findContainer=function(){for(var t=this,e=t.parent;e&&(e.node.notParent||e.node.isKind("mrow"));)t=e,e=e.parent;this.container=e,this.containerI=t.node.childPosition()},e.prototype.getPercentageWidth=function(){if(this.hasLabels)this.bbox.pwidth=l.BBox.fullWidth;else{var t=this.node.attributes.get("width");(0,c.isPercent)(t)&&(this.bbox.pwidth=t)}},e.prototype.stretchRows=function(){for(var t=this.node.attributes.get("equalrows"),e=t?this.getEqualRowHeight():0,r=t?this.getTableData():{H:[0],D:[0]},n=r.H,o=r.D,i=this.tableRows,a=0;a<this.numRows;a++){var s=t?[(e+n[a]-o[a])/2,(e-n[a]+o[a])/2]:null;i[a].stretchChildren(s)}},e.prototype.stretchColumns=function(){for(var t=0;t<this.numCols;t++){var e="number"==typeof this.cWidths[t]?this.cWidths[t]:null;this.stretchColumn(t,e)}},e.prototype.stretchColumn=function(t,e){var r,n,o,i,a,l,c=[];try{for(var 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Array(this.numRows),o=new Array(this.numRows),i=[0],a=this.tableRows,s=0;s<a.length;s++){for(var l=0,c=a[s],u=c.node.attributes.get("rowalign"),p=0;p<c.numCells;p++){var f=c.getChild(p);l=this.updateHDW(f,p,s,u,t,e,r,l),this.recordPWidthCell(f,p)}n[s]=t[s],o[s]=e[s],c.labeled&&(l=this.updateHDW(c.childNodes[0],0,s,u,t,e,i,l)),this.extendHD(s,t,e,l),this.extendHD(s,n,o,l)}var h=i[0];return this.data={H:t,D:e,W:r,NH:n,ND:o,L:h},this.data},e.prototype.updateHDW=function(t,e,r,n,o,i,a,s){var l=t.getBBox(),c=l.h,u=l.d,p=l.w,f=t.parent.bbox.rscale;1!==t.parent.bbox.rscale&&(c*=f,u*=f,p*=f),this.node.getProperty("useHeight")&&(c<.75&&(c=.75),u<.25&&(u=.25));var h=0;return"baseline"!==(n=t.node.attributes.get("rowalign")||n)&&"axis"!==n&&(h=c+u,c=u=0),c>o[r]&&(o[r]=c),u>i[r]&&(i[r]=u),h>s&&(s=h),a&&p>a[e]&&(a[e]=p),s},e.prototype.extendHD=function(t,e,r,n){var o=(n-(e[t]+r[t]))/2;o<1e-5||(e[t]+=o,r[t]+=o)},e.prototype.recordPWidthCell=function(t,e){t.childNodes[0]&&t.childNodes[0].getBBox().pwidth&&this.pwidthCells.push([t,e])},e.prototype.computeBBox=function(t,e){void 0===e&&(e=!1);var r,n,o=this.getTableData(),a=o.H,s=o.D;if(this.node.attributes.get("equalrows")){var l=this.getEqualRowHeight();r=(0,u.sum)([].concat(this.rLines,this.rSpace))+l*this.numRows}else r=(0,u.sum)(a.concat(s,this.rLines,this.rSpace));r+=2*(this.fLine+this.fSpace[1]);var p=this.getComputedWidths();n=(0,u.sum)(p.concat(this.cLines,this.cSpace))+2*(this.fLine+this.fSpace[0]);var f=this.node.attributes.get("width");"auto"!==f&&(n=Math.max(this.length2em(f,0)+2*this.fLine,n));var h=i(this.getBBoxHD(r),2),d=h[0],m=h[1];t.h=d,t.d=m,t.w=n;var y=i(this.getBBoxLR(),2),v=y[0],g=y[1];t.L=v,t.R=g,(0,c.isPercent)(f)||this.setColumnPWidths()},e.prototype.setChildPWidths=function(t,e,r){var n=this.node.attributes.get("width");if(!(0,c.isPercent)(n))return!1;this.hasLabels||(this.bbox.pwidth="",this.container.bbox.pwidth="");var o=this.bbox,i=o.w,a=o.L,s=o.R,l=this.node.attributes.get("data-width-includes-label"),p=Math.max(i,this.length2em(n,Math.max(e,a+i+s)))-(l?a+s:0),f=this.node.attributes.get("equalcolumns")?Array(this.numCols).fill(this.percent(1/Math.max(1,this.numCols))):this.getColumnAttributes("columnwidth",0);this.cWidths=this.getColumnWidthsFixed(f,p);var h=this.getComputedWidths();return this.pWidth=(0,u.sum)(h.concat(this.cLines,this.cSpace))+2*(this.fLine+this.fSpace[0]),this.isTop&&(this.bbox.w=this.pWidth),this.setColumnPWidths(),this.pWidth!==i&&this.parent.invalidateBBox(),this.pWidth!==i},e.prototype.setColumnPWidths=function(){var t,e,r=this.cWidths;try{for(var n=s(this.pwidthCells),o=n.next();!o.done;o=n.next()){var 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e=this.getTableData().L+this.length2em(this.node.attributes.get("minlabelspacing")),r=i(null==this.styles?["",""]:[this.styles.get("padding-left"),this.styles.get("padding-right")],2),n=r[0],o=r[1];(n||o)&&(e=Math.max(e,this.length2em(n||"0"),this.length2em(o||"0")));var a=i(this.getAlignShift(),2),s=a[0],l=a[1];return s===t&&(l="left"===t?Math.max(e,l)-e:Math.min(-e,l)+e),[e,s,l]},e.prototype.getAlignShift=function(){return this.isTop?t.prototype.getAlignShift.call(this):[this.container.getChildAlign(this.containerI),0]},e.prototype.getWidth=function(){return this.pWidth||this.getBBox().w},e.prototype.getEqualRowHeight=function(){var t=this.getTableData(),e=t.H,r=t.D,n=Array.from(e.keys()).map((function(t){return e[t]+r[t]}));return Math.max.apply(Math,n)},e.prototype.getComputedWidths=function(){var t=this,e=this.getTableData().W,r=Array.from(e.keys()).map((function(r){return"number"==typeof t.cWidths[r]?t.cWidths[r]:e[r]}));return this.node.attributes.get("equalcolumns")&&(r=Array(r.length).fill((0,u.max)(r))),r},e.prototype.getColumnWidths=function(){var t=this.node.attributes.get("width");if(this.node.attributes.get("equalcolumns"))return this.getEqualColumns(t);var e=this.getColumnAttributes("columnwidth",0);return"auto"===t?this.getColumnWidthsAuto(e):(0,c.isPercent)(t)?this.getColumnWidthsPercent(e):this.getColumnWidthsFixed(e,this.length2em(t))},e.prototype.getEqualColumns=function(t){var e,r=Math.max(1,this.numCols);if("auto"===t){var n=this.getTableData().W;e=(0,u.max)(n)}else if((0,c.isPercent)(t))e=this.percent(1/r);else{var o=(0,u.sum)([].concat(this.cLines,this.cSpace))+2*this.fSpace[0];e=Math.max(0,this.length2em(t)-o)/r}return Array(this.numCols).fill(e)},e.prototype.getColumnWidthsAuto=function(t){var e=this;return t.map((function(t){return"auto"===t||"fit"===t?null:(0,c.isPercent)(t)?t:e.length2em(t)}))},e.prototype.getColumnWidthsPercent=function(t){var 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t},enumerable:!1,configurable:!0}),Object.defineProperty(r.prototype,"notParent",{get:function(){return!1},enumerable:!1,configurable:!0}),r.prototype.setChildren=function(e){return this.arity<0?this.childNodes[0].setChildren(e):t.prototype.setChildren.call(this,e)},r.prototype.appendChild=function(e){var r,n,o=this;if(this.arity<0)return this.childNodes[0].appendChild(e),e;if(e.isInferred){if(this.arity===1/0)return e.childNodes.forEach((function(e){return t.prototype.appendChild.call(o,e)})),e;var i=e;(e=this.factory.create("mrow")).setChildren(i.childNodes),e.attributes=i.attributes;try{for(var s=a(i.getPropertyNames()),l=s.next();!l.done;l=s.next()){var c=l.value;e.setProperty(c,i.getProperty(c))}}catch(t){r={error:t}}finally{try{l&&!l.done&&(n=s.return)&&n.call(s)}finally{if(r)throw r.error}}}return t.prototype.appendChild.call(this,e)},r.prototype.replaceChild=function(e,r){return this.arity<0?(this.childNodes[0].replaceChild(e,r),e):t.prototype.replaceChild.call(this,e,r)},r.prototype.core=function(){return this},r.prototype.coreMO=function(){return this},r.prototype.coreIndex=function(){return 0},r.prototype.childPosition=function(){for(var t,e,r=this,n=r.parent;n&&n.notParent;)r=n,n=n.parent;if(n){var o=0;try{for(var i=a(n.childNodes),s=i.next();!s.done;s=i.next()){if(s.value===r)return o;o++}}catch(e){t={error:e}}finally{try{s&&!s.done&&(e=i.return)&&e.call(i)}finally{if(t)throw t.error}}}return null},r.prototype.setTeXclass=function(t){return this.getPrevClass(t),null!=this.texClass?this:t},r.prototype.updateTeXclass=function(t){t&&(this.prevClass=t.prevClass,this.prevLevel=t.prevLevel,t.prevClass=t.prevLevel=null,this.texClass=t.texClass)},r.prototype.getPrevClass=function(t){t&&(this.prevClass=t.texClass,this.prevLevel=t.attributes.get("scriptlevel"))},r.prototype.texSpacing=function(){var 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e},e.prototype.getBaseIc=function(){return this.baseCore.getOuterBBox().ic*this.baseScale},e.prototype.getAdjustedIc=function(){var t=this.baseCore.getOuterBBox();return(t.ic?1.05*t.ic+.05:0)*this.baseScale},e.prototype.isCharBase=function(){var t=this.baseCore;return(t.node.isKind("mo")&&null===t.size||t.node.isKind("mi")||t.node.isKind("mn"))&&1===t.bbox.rscale&&1===Array.from(t.getText()).length},e.prototype.checkLineAccents=function(){this.node.isKind("munderover")&&(this.node.isKind("mover")?this.isLineAbove=this.isLineAccent(this.scriptChild):this.node.isKind("munder")?this.isLineBelow=this.isLineAccent(this.scriptChild):(this.isLineAbove=this.isLineAccent(this.overChild),this.isLineBelow=this.isLineAccent(this.underChild)))},e.prototype.isLineAccent=function(t){var e=t.coreMO().node;return e.isToken&&"―"===e.getText()},e.prototype.getBaseWidth=function(){var t=this.baseChild.getOuterBBox();return t.w*t.rscale-(this.baseRemoveIc?this.baseIc:0)+this.font.params.extra_ic},e.prototype.computeBBox=function(t,e){void 0===e&&(e=!1);var r=this.getBaseWidth(),n=i(this.getOffset(),2),o=n[0],a=n[1];t.append(this.baseChild.getOuterBBox()),t.combine(this.scriptChild.getOuterBBox(),r+o,a),t.w+=this.font.params.scriptspace,t.clean(),this.setChildPWidths(e)},e.prototype.getOffset=function(){return[0,0]},e.prototype.baseCharZero=function(t){var e=!!this.baseCore.node.attributes.get("largeop"),r=this.baseScale;return this.baseIsChar&&!e&&1===r?0:t},e.prototype.getV=function(){var t=this.baseCore.getOuterBBox(),e=this.scriptChild.getOuterBBox(),r=this.font.params,n=this.length2em(this.node.attributes.get("subscriptshift"),r.sub1);return Math.max(this.baseCharZero(t.d*this.baseScale+r.sub_drop*e.rscale),n,e.h*e.rscale-.8*r.x_height)},e.prototype.getU=function(){var t=this.baseCore.getOuterBBox(),e=this.scriptChild.getOuterBBox(),r=this.font.params,n=this.node.attributes.getList("displaystyle","superscriptshift"),o=this.node.getProperty("texprimestyle")?r.sup3:n.displaystyle?r.sup1:r.sup2,i=this.length2em(n.superscriptshift,o);return Math.max(this.baseCharZero(t.h*this.baseScale-r.sup_drop*e.rscale),i,e.d*e.rscale+1/4*r.x_height)},e.prototype.hasMovableLimits=function(){var t=this.node.attributes.get("displaystyle"),e=this.baseChild.coreMO().node;return!t&&!!e.attributes.get("movablelimits")},e.prototype.getOverKU=function(t,e){var r=this.node.attributes.get("accent"),n=this.font.params,o=e.d*e.rscale,i=n.rule_thickness*n.separation_factor,a=this.baseHasAccentOver?i:0,s=this.isLineAbove?3*n.rule_thickness:i,l=(r?s:Math.max(n.big_op_spacing1,n.big_op_spacing3-Math.max(0,o)))-a;return[l,t.h*t.rscale+l+o]},e.prototype.getUnderKV=function(t,e){var r=this.node.attributes.get("accentunder"),n=this.font.params,o=e.h*e.rscale,i=n.rule_thickness*n.separation_factor,a=this.baseHasAccentUnder?i:0,s=this.isLineBelow?3*n.rule_thickness:i,l=(r?s:Math.max(n.big_op_spacing2,n.big_op_spacing4-o))-a;return[l,-(t.d*t.rscale+l+o)]},e.prototype.getDeltaW=function(t,e){var r,n,o,l;void 0===e&&(e=[0,0,0]);var c=this.node.attributes.get("align"),u=t.map((function(t){return t.w*t.rscale}));u[0]-=this.baseRemoveIc&&!this.baseCore.node.attributes.get("largeop")?this.baseIc:0;var p=Math.max.apply(Math,a([],i(u),!1)),f=[],h=0;try{for(var d=s(u.keys()),m=d.next();!m.done;m=d.next()){var y=m.value;f[y]=("center"===c?(p-u[y])/2:"right"===c?p-u[y]:0)+e[y],f[y]<h&&(h=-f[y])}}catch(t){r={error:t}}finally{try{m&&!m.done&&(n=d.return)&&n.call(d)}finally{if(r)throw r.error}}if(h)try{for(var v=s(f.keys()),g=v.next();!g.done;g=v.next())y=g.value,f[y]+=h}catch(t){o={error:t}}finally{try{g&&!g.done&&(l=v.return)&&l.call(v)}finally{if(o)throw 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g=d[v.display?1:0];g.has(w)||g.set(w,this.getTestElement(w,v.display))}}}catch(t){e={error:t}}finally{try{y&&!y.done&&(r=m.return)&&r.call(m)}finally{if(e)throw e.error}}var b=this.options.mtextInheritFont||this.options.merrorInheritFont,M=[new Map,new Map];try{for(var x=s(M.keys()),O=x.next();!O.done;O=x.next()){var S=O.value;try{for(var _=(i=void 0,s(d[S].keys())),C=_.next();!C.done;C=_.next()){var w=C.value;M[S].set(w,this.measureMetrics(d[S].get(w),b))}}catch(t){i={error:t}}finally{try{C&&!C.done&&(a=_.return)&&a.call(_)}finally{if(i)throw i.error}}}}catch(t){n={error:t}}finally{try{O&&!O.done&&(o=x.return)&&o.call(x)}finally{if(n)throw n.error}}try{for(var E=s(M.keys()),A=E.next();!A.done;A=E.next()){S=A.value;try{for(var T=(p=void 0,s(d[S].values())),P=T.next();!P.done;P=T.next())w=P.value,h.remove(w)}catch(t){p={error:t}}finally{try{P&&!P.done&&(f=T.return)&&f.call(T)}finally{if(p)throw 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i=o.value;this.cssStyles.addStyles(i)}}catch(t){e={error:t}}finally{try{o&&!o.done&&(r=n.return)&&r.call(n)}finally{if(e)throw e.error}}return this.addWrapperStyles(this.cssStyles),this.addFontStyles(this.cssStyles),this.html("style",{id:"MJX-styles"},[this.text("\n"+this.cssStyles.cssText+"\n")])},e.prototype.addFontStyles=function(t){t.addStyles(this.font.styles)},e.prototype.addWrapperStyles=function(t){var e,r;try{for(var n=s(this.factory.getKinds()),o=n.next();!o.done;o=n.next()){var i=o.value;this.addClassStyles(this.factory.getNodeClass(i),t)}}catch(t){e={error:t}}finally{try{o&&!o.done&&(r=n.return)&&r.call(n)}finally{if(e)throw e.error}}},e.prototype.addClassStyles=function(t,e){e.addStyles(t.styles)},e.prototype.setDocument=function(t){t&&(this.document=t,this.adaptor.document=t.document)},e.prototype.html=function(t,e,r,n){return void 0===e&&(e={}),void 0===r&&(r=[]),this.adaptor.node(t,e,r,n)},e.prototype.text=function(t){return this.adaptor.text(t)},e.prototype.fixed=function(t,e){return void 0===e&&(e=3),Math.abs(t)<6e-4?"0":t.toFixed(e).replace(/\.?0+$/,"")},e.prototype.measureText=function(t,e,r){void 0===r&&(r=["",!1,!1]);var n=this.unknownText(t,e);if("-explicitFont"===e){var o=this.cssFontStyles(r);this.adaptor.setAttributes(n,{style:o})}return this.measureTextNodeWithCache(n,t,e,r)},e.prototype.measureTextNodeWithCache=function(t,e,r,n){void 0===n&&(n=["",!1,!1]),"-explicitFont"===r&&(r=[n[0],n[1]?"T":"F",n[2]?"T":"F",""].join("-")),this.unknownCache.has(r)||this.unknownCache.set(r,new Map);var o=this.unknownCache.get(r),i=o.get(e);if(i)return i;var a=this.measureTextNode(t);return o.set(e,a),a},e.prototype.measureXMLnode=function(t){var e=this.adaptor,r=this.html("mjx-xml-block",{style:{display:"inline-block"}},[e.clone(t)]),n=this.html("mjx-baseline",{style:{display:"inline-block",width:0,height:0}}),o=this.html("mjx-measure-xml",{style:{position:"absolute",display:"inline-block","font-family":"initial","line-height":"normal"}},[n,r]);e.append(e.parent(this.math.start.node),this.container),e.append(this.container,o);var i=this.math.metrics.em*this.math.metrics.scale,a=e.nodeBBox(r),s=a.left,l=a.right,c=a.bottom,u=a.top,p=(l-s)/i,f=(e.nodeBBox(n).top-u)/i,h=(c-u)/i-f;return e.remove(this.container),e.remove(o),{w:p,h:f,d:h}},e.prototype.cssFontStyles=function(t,e){void 0===e&&(e={});var r=a(t,3),n=r[0],o=r[1],i=r[2];return e["font-family"]=this.font.getFamily(n),o&&(e["font-style"]="italic"),i&&(e["font-weight"]="bold"),e},e.prototype.getFontData=function(t){return t||(t=new 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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 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n=t.create("token","mi",{texClass:m.TEXCLASS.OP},r);t.Push(t.itemFactory.create("fn",n))},M.NamedOp=function(t,e,r){r||(r=e.substr(1)),r=r.replace(/&thinsp;/," ");var n=t.create("token","mo",{movablelimits:!0,movesupsub:!0,form:h.TexConstant.Form.PREFIX,texClass:m.TEXCLASS.OP},r);t.Push(n)},M.Limits=function(t,e,r){var n=t.stack.Prev(!0);if(!n||u.default.getTexClass(u.default.getCoreMO(n))!==m.TEXCLASS.OP&&null==u.default.getProperty(n,"movesupsub"))throw new p.default("MisplacedLimits","%1 is allowed only on operators",t.currentCS);var o,i=t.stack.Top();u.default.isType(n,"munderover")&&!r?(o=t.create("node","msubsup"),u.default.copyChildren(n,o),n=i.Last=o):u.default.isType(n,"msubsup")&&r&&(o=t.create("node","munderover"),u.default.copyChildren(n,o),n=i.Last=o),u.default.setProperty(n,"movesupsub",!!r),u.default.setProperties(u.default.getCoreMO(n),{movablelimits:!1}),(u.default.getAttribute(n,"movablelimits")||u.default.getProperty(n,"movablelimits"))&&u.default.setProperties(n,{movablelimits:!1})},M.Over=function(t,e,r,n){var o=t.itemFactory.create("over").setProperty("name",t.currentCS);r||n?(o.setProperty("open",r),o.setProperty("close",n)):e.match(/withdelims$/)&&(o.setProperty("open",t.GetDelimiter(e)),o.setProperty("close",t.GetDelimiter(e))),e.match(/^\\above/)?o.setProperty("thickness",t.GetDimen(e)):(e.match(/^\\atop/)||r||n)&&o.setProperty("thickness",0),t.Push(o)},M.Frac=function(t,e){var r=t.ParseArg(e),n=t.ParseArg(e),o=t.create("node","mfrac",[r,n]);t.Push(o)},M.Sqrt=function(t,e){var r=t.GetBrackets(e),n=t.GetArgument(e);"\\frac"===n&&(n+="{"+t.GetArgument(n)+"}{"+t.GetArgument(n)+"}");var o=new f.default(n,t.stack.env,t.configuration).mml();o=r?t.create("node","mroot",[o,S(t,r)]):t.create("node","msqrt",[o]),t.Push(o)},M.Root=function(t,e){var r=t.GetUpTo(e,"\\of"),n=t.ParseArg(e),o=t.create("node","mroot",[n,S(t,r)]);t.Push(o)},M.MoveRoot=function(t,e,r){if(!t.stack.env.inRoot)throw new p.default("MisplacedMoveRoot","%1 can appear only within a root",t.currentCS);if(t.stack.global[r])throw new p.default("MultipleMoveRoot","Multiple use of %1",t.currentCS);var n=t.GetArgument(e);if(!n.match(/-?[0-9]+/))throw new p.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},M.Accent=function(t,e,r,o){var 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r=t.ParseArg(e),n=t.ParseArg(e);d.default.checkMovableLimits(n),r.isKind("mo")&&u.default.setAttribute(r,"accent",!1);var o=t.create("node","munder",[n,r],{accentunder:!1});t.Push(o)},M.Overunderset=function(t,e){var r=t.ParseArg(e),n=t.ParseArg(e),o=t.ParseArg(e);d.default.checkMovableLimits(o),r.isKind("mo")&&u.default.setAttribute(r,"accent",!1),n.isKind("mo")&&u.default.setAttribute(n,"accent",!1);var i=t.create("node","munderover",[o,n,r],{accent:!1,accentunder:!1});t.Push(i)},M.TeXAtom=function(t,e,r){var n,o,i,a={texClass:r};if(r===m.TEXCLASS.OP){a.movesupsub=a.movablelimits=!0;var s=t.GetArgument(e),l=s.match(/^\s*\\rm\s+([a-zA-Z0-9 ]+)$/);l?(a.mathvariant=h.TexConstant.Variant.NORMAL,o=t.create("token","mi",a,l[1])):(i=new f.default(s,t.stack.env,t.configuration).mml(),o=t.create("node","TeXAtom",[i],a)),n=t.itemFactory.create("fn",o)}else i=t.ParseArg(e),n=t.create("node","TeXAtom",[i],a);t.Push(n)},M.MmlToken=function(t,e){var 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o=t.create("node","mspace",[],n);t.Push(o)},M.rule=function(t,e){var r=t.GetBrackets(e),n=t.GetDimen(e),o=t.GetDimen(e),i=t.create("node","mspace",[],{width:n,height:o,mathbackground:t.stack.env.color||"black"});r&&(i=t.create("node","mpadded",[i],{voffset:r}),r.match(/^\-/)?(u.default.setAttribute(i,"height",r),u.default.setAttribute(i,"depth","+"+r.substr(1))):u.default.setAttribute(i,"height","+"+r)),t.Push(i)},M.MakeBig=function(t,e,r,n){var o=String(n*=x).replace(/(\.\d\d\d).+/,"$1")+"em",i=t.GetDelimiter(e,!0),a=t.create("token","mo",{minsize:o,maxsize:o,fence:!0,stretchy:!0,symmetric:!0},i),s=t.create("node","TeXAtom",[a],{texClass:r});t.Push(s)},M.BuildRel=function(t,e){var r=t.ParseUpTo(e,"\\over"),n=t.ParseArg(e),o=t.create("node","munderover");u.default.setChild(o,0,n),u.default.setChild(o,1,null),u.default.setChild(o,2,r);var 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