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t=this.extractContents();if(e.hasChildNodes())while(e.lastChild)e.removeChild(e.lastChild);l(e,this.startContainer,this.startOffset),e.appendChild(t),this.selectNode(e)},cloneRange:function(){q(this);var e=new at(o(this)),t=X.length,n;while(t--)n=X[t],e[n]=this[n];return e},toString:function(){q(this);var e=this.startContainer;if(e===this.endContainer&&n.isCharacterDataNode(e))return e.nodeType==3||e.nodeType==4?e.data.slice(this.startOffset,this.endOffset):"";var t=[],r=new g(this,!0);return h(r,function(e){(e.nodeType==3||e.nodeType==4)&&t.push(e.data)}),r.detach(),t.join("")},compareNode:function(e){q(this);var t=e.parentNode,r=n.getNodeIndex(e);if(!t)throw new i("NOT_FOUND_ERR");var s=this.comparePoint(t,r),o=this.comparePoint(t,r+1);return s<0?o>0?Y:Q:o>0?G:Z},comparePoint:function(e,t){return q(this),B(e,"HIERARCHY_REQUEST_ERR"),P(e,this.startContainer),n.comparePoints(e,t,this.startContainer,this.startOffset)<0?-1:n.comparePoints(e,t,this.endContainer,this.endOffset)>0?1:0},createContextualFragment:W,toHtml:function(){q(this);var e=o(this).createElement("div");return e.appendChild(this.cloneContents()),e.innerHTML},intersectsNode:function(e,t){q(this),B(e,"NOT_FOUND_ERR");if(n.getDocument(e)!==o(this))return!1;var r=e.parentNode,i=n.getNodeIndex(e);B(r,"NOT_FOUND_ERR");var s=n.comparePoints(r,i,this.endContainer,this.endOffset),u=n.comparePoints(r,i+1,this.startContainer,this.startOffset);return t?s<=0&&u>=0:s<0&&u>0},isPointInRange:function(e,t){return q(this),B(e,"HIERARCHY_REQUEST_ERR"),P(e,this.startContainer),n.comparePoints(e,t,this.startContainer,this.startOffset)>=0&&n.comparePoints(e,t,this.endContainer,this.endOffset)<=0},intersectsRange:function(e,t){q(this);if(o(e)!=o(this))throw new i("WRONG_DOCUMENT_ERR");var r=n.comparePoints(this.startContainer,this.startOffset,e.endContainer,e.endOffset),s=n.comparePoints(this.endContainer,this.endOffset,e.startContainer,e.startOffset);return t?r<=0&&s>=0:r<0&&s>0},intersection:function(e){if(this.intersectsRange(e)){var t=n.comparePoints(this.startContainer,this.startOffset,e.startContainer,e.startOffset),r=n.comparePoints(this.endContainer,this.endOffset,e.endContainer,e.endOffset),i=this.cloneRange();return t==-1&&i.setStart(e.startContainer,e.startOffset),r==1&&i.setEnd(e.endContainer,e.endOffset),i}return null},union:function(e){if(this.intersectsRange(e,!0)){var t=this.cloneRange();return n.comparePoints(e.startContainer,e.startOffset,this.startContainer,this.startOffset)==-1&&t.setStart(e.startContainer,e.startOffset),n.comparePoints(e.endContainer,e.endOffset,this.endContainer,this.endOffset)==1&&t.setEnd(e.endContainer,e.endOffset),t}throw new y("Ranges do not intersect")},containsNode:function(e,t){return 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f,l=n?"StartToStart":"StartToEnd",c,h,p,d;do u.insertBefore(a,a.previousSibling),o.moveToElementText(a);while((f=o.compareEndPoints(l,e))>0&&a.previousSibling);d=a.nextSibling;if(f==-1&&d&&r.isCharacterDataNode(d)){o.setEndPoint(n?"EndToStart":"EndToEnd",e);var v;if(/[\r\n]/.test(d.data)){var m=o.duplicate(),g=m.text.replace(/\r\n/g,"\r").length;v=m.moveStart("character",g);while((f=m.compareEndPoints("StartToEnd",m))==-1)v++,m.moveStart("character",1)}else v=o.text.length;p=new i(d,v)}else c=(s||!n)&&a.previousSibling,h=(s||n)&&a.nextSibling,h&&r.isCharacterDataNode(h)?p=new i(h,0):c&&r.isCharacterDataNode(c)?p=new i(c,c.length):p=new i(u,r.getNodeIndex(a));return a.parentNode.removeChild(a),p}function f(e,t){var n,i,s=e.offset,o=r.getDocument(e.node),u,a,f=o.body.createTextRange(),l=r.isCharacterDataNode(e.node);return l?(n=e.node,i=n.parentNode):(a=e.node.childNodes,n=s<a.length?a[s]:null,i=e.node),u=o.createElement("span"),u.innerHTML="&#feff;",n?i.insertBefore(u,n):i.appendChild(u),f.moveToElementText(u),f.collapse(!t),i.removeChild(u),l&&f[t?"moveStart":"moveEnd"]("character",s),f}e.requireModules(["DomUtil","DomRange"]);var n,r=e.dom,i=r.DomPosition,s=e.DomRange;if(e.features.implementsDomRange&&(!e.features.implementsTextRange||!e.config.preferTextRange))(function(){function u(e){var t=i.length,n;while(t--)n=i[t],e[n]=e.nativeRange[n]}function a(e,t,n,r,i){var s=e.startContainer!==t||e.startOffset!=n,o=e.endContainer!==r||e.endOffset!=i;if(s||o)e.setEnd(r,i),e.setStart(t,n)}function f(e){e.nativeRange.detach(),e.detached=!0;var t=i.length,n;while(t--)n=i[t],e[n]=null}var t,i=s.rangeProperties,o,l;n=function(e){if(!e)throw new Error("Range must be specified");this.nativeRange=e,u(this)},s.createPrototypeRange(n,a,f),t=n.prototype,t.selectNode=function(e){this.nativeRange.selectNode(e),u(this)},t.deleteContents=function(){this.nativeRange.deleteContents(),u(this)},t.extractContents=function(){var e=this.nativeRange.extractContents();return u(this),e},t.cloneContents=function(){return this.nativeRange.cloneContents()},t.surroundContents=function(e){this.nativeRange.surroundContents(e),u(this)},t.collapse=function(e){this.nativeRange.collapse(e),u(this)},t.cloneRange=function(){return new n(this.nativeRange.cloneRange())},t.refresh=function(){u(this)},t.toString=function(){return this.nativeRange.toString()};var c=document.createTextNode("test");r.getBody(document).appendChild(c);var h=document.createRange();h.setStart(c,0),h.setEnd(c,0);try{h.setStart(c,1),o=!0,t.setStart=function(e,t){this.nativeRange.setStart(e,t),u(this)},t.setEnd=function(e,t){this.nativeRange.setEnd(e,t),u(this)},l=function(e){return function(t){this.nativeRange[e](t),u(this)}}}catch(p){o=!1,t.setStart=function(e,t){try{this.nativeRange.setStart(e,t)}catch(n){this.nativeRange.setEnd(e,t),this.nativeRange.setStart(e,t)}u(this)},t.setEnd=function(e,t){try{this.nativeRange.setEnd(e,t)}catch(n){this.nativeRange.setStart(e,t),this.nativeRange.setEnd(e,t)}u(this)},l=function(e,t){return function(n){try{this.nativeRange[e](n)}catch(r){this.nativeRange[t](n),this.nativeRange[e](n)}u(this)}}}t.setStartBefore=l("setStartBefore","setEndBefore"),t.setStartAfter=l("setStartAfter","setEndAfter"),t.setEndBefore=l("setEndBefore","setStartBefore"),t.setEndAfter=l("setEndAfter","setStartAfter"),h.selectNodeContents(c),h.startContainer==c&&h.endContainer==c&&h.startOffset==0&&h.endOffset==c.length?t.selectNodeContents=function(e){this.nativeRange.selectNodeContents(e),u(this)}:t.selectNodeContents=function(e){this.setStart(e,0),this.setEnd(e,s.getEndOffset(e))},h.selectNodeContents(c),h.setEnd(c,3);var d=document.createRange();d.selectNodeContents(c),d.setEnd(c,4),d.setStart(c,2),h.compareBoundaryPoints(h.START_TO_END,d)==-1&h.compareBoundaryPoints(h.END_TO_START,d)==1?t.compareBoundaryPoints=function(e,t){return t=t.nativeRange||t,e==t.START_TO_END?e=t.END_TO_START:e==t.END_TO_START&&(e=t.START_TO_END),this.nativeRange.compareBoundaryPoints(e,t)}:t.compareBoundaryPoints=function(e,t){return this.nativeRange.compareBoundaryPoints(e,t.nativeRange||t)},e.util.isHostMethod(h,"createContextualFragment")&&(t.createContextualFragment=function(e){return this.nativeRange.createContextualFragment(e)}),r.getBody(document).removeChild(c),h.detach(),d.detach()})(),e.createNativeRange=function(e){return e=e||document,e.createRange()};else if(e.features.implementsTextRange){n=function(e){this.textRange=e,this.refresh()},n.prototype=new s(document),n.prototype.refresh=function(){var e,t,n=o(this.textRange);u(this.textRange)?t=e=a(this.textRange,n,!0,!0):(e=a(this.textRange,n,!0,!1),t=a(this.textRange,n,!1,!1)),this.setStart(e.node,e.offset),this.setEnd(t.node,t.offset)},s.copyComparisonConstants(n);var l=function(){return this}();typeof l.Range=="undefined"&&(l.Range=n),e.createNativeRange=function(e){return e=e||document,e.body.createTextRange()}}e.features.implementsTextRange&&(n.rangeToTextRange=function(e){if(e.collapsed){var t=f(new i(e.startContainer,e.startOffset),!0);return t}var n=f(new i(e.startContainer,e.startOffset),!0),s=f(new i(e.endContainer,e.endOffset),!1),o=r.getDocument(e.startContainer).body.createTextRange();return o.setEndPoint("StartToStart",n),o.setEndPoint("EndToEnd",s),o}),n.prototype.getName=function(){return"WrappedRange"},e.WrappedRange= n,e.createRange=function(t){return t=t||document,new n(e.createNativeRange(t))},e.createRangyRange=function(e){return e=e||document,new s(e)},e.createIframeRange=function(t){return e.createRange(r.getIframeDocument(t))},e.createIframeRangyRange=function(t){return e.createRangyRange(r.getIframeDocument(t))},e.addCreateMissingNativeApiListener(function(t){var n=t.document;typeof n.createRange=="undefined"&&(n.createRange=function(){return e.createRange(this)}),n=t=null})}),rangy.createModule("WrappedSelection",function(e,t){function p(e){return(e||window).getSelection()}function d(e){return(e||window).document.selection}function L(e,t,n){var r=n?"end":"start",i=n?"start":"end";e.anchorNode=t[r+"Container"],e.anchorOffset=t[r+"Offset"],e.focusNode=t[i+"Container"],e.focusOffset=t[i+"Offset"]}function A(e){var t=e.nativeSelection;e.anchorNode=t.anchorNode,e.anchorOffset=t.anchorOffset,e.focusNode=t.focusNode,e.focusOffset=t.focusOffset}function O(e){e.anchorNode=e.focusNode=null,e.anchorOffset=e.focusOffset=0,e.rangeCount=0,e.isCollapsed=!0,e._ranges.length=0}function M(t){var n;return t instanceof o?(n=t._selectionNativeRange,n||(n=e.createNativeRange(i.getDocument(t.startContainer)),n.setEnd(t.endContainer,t.endOffset),n.setStart(t.startContainer,t.startOffset),t._selectionNativeRange=n,t.attachListener("detach",function(){this._selectionNativeRange=null}))):t instanceof u?n=t.nativeRange:e.features.implementsDomRange&&t instanceof i.getWindow(t.startContainer).Range&&(n=t),n}function _(e){if(!e.length||e[0].nodeType!=1)return!1;for(var t=1,n=e.length;t<n;++t)if(!i.isAncestorOf(e[0],e[t]))return!1;return!0}function D(e){var t=e.getNodes();if(!_(t))throw new Error("getSingleElementFromRange: range "+e.inspect()+" did not consist of a single element");return t[0]}function P(e){return!!e&&typeof e.text!="undefined"}function H(e,t){var n=new u(t);e._ranges=[n],L(e,n,!1),e.rangeCount=1,e.isCollapsed=n.collapsed}function B(t){t._ranges.length=0;if(t.docSelection.type=="None")O(t);else{var n=t.docSelection.createRange();if(P(n))H(t,n);else{t.rangeCount=n.length;var r,s=i.getDocument(n.item(0));for(var o=0;o<t.rangeCount;++o)r=e.createRange(s),r.selectNode(n.item(o)),t._ranges.push(r);t.isCollapsed=t.rangeCount==1&&t._ranges[0].collapsed,L(t,t._ranges[t.rangeCount-1],!1)}}}function j(e,t){var n=e.docSelection.createRange(),r=D(t),s=i.getDocument(n.item(0)),o=i.getBody(s).createControlRange();for(var u=0,a=n.length;u<a;++u)o.add(n.item(u));try{o.add(r)}catch(f){throw new Error("addRange(): Element within the specified Range could not be added to control selection (does it have layout?)")}o.select(),B(e)}function I(e,t,n){this.nativeSelection=e,this.docSelection=t,this._ranges=[],this.win=n,this.refresh()}function R(e,t){var n=i.getDocument(t[0].startContainer),r=i.getBody(n).createControlRange();for(var s=0,o;s<rangeCount;++s){o=D(t[s]);try{r.add(o)}catch(u){throw new Error("setRanges(): Element within the one of the specified Ranges could not be added to control selection (does it have layout?)")}}r.select(),B(e)}function V(e,t){if(e.anchorNode&&i.getDocument(e.anchorNode)!==i.getDocument(t))throw new a("WRONG_DOCUMENT_ERR")}function $(e){var t=[],n=new f(e.anchorNode,e.anchorOffset),r=new f(e.focusNode,e.focusOffset),i=typeof e.getName=="function"?e.getName():"Selection";if(typeof e.rangeCount!="undefined")for(var s=0,u=e.rangeCount;s<u;++s)t[s]=o.inspect(e.getRangeAt(s));return"["+i+"(Ranges: "+t.join(", ")+")(anchor: "+n.inspect()+", focus: "+r.inspect()+"]"}e.requireModules(["DomUtil","DomRange","WrappedRange"]),e.config.checkSelectionRanges=!0;var n="boolean",r="_rangySelection",i=e.dom,s=e.util,o=e.DomRange,u=e.WrappedRange,a=e.DOMException,f=i.DomPosition,l,c,h="Control",v=e.util.isHostMethod(window,"getSelection"),m=e.util.isHostObject(document,"selection"),g=m&&(!v||e.config.preferTextRange);g?(l=d,e.isSelectionValid=function(e){var t=(e||window).document,n=t.selection;return n.type!="None"||i.getDocument(n.createRange().parentElement())==t}):v?(l=p,e.isSelectionValid=function(){return!0}):t.fail("Neither document.selection or window.getSelection() detected."),e.getNativeSelection=l;var y=l(),b=e.createNativeRange(document),w=i.getBody(document),E=s.areHostObjects(y,["anchorNode","focusNode"]&&s.areHostProperties(y,["anchorOffset","focusOffset"]));e.features.selectionHasAnchorAndFocus=E;var S=s.isHostMethod(y,"extend");e.features.selectionHasExtend=S;var x=typeof y.rangeCount=="number";e.features.selectionHasRangeCount=x;var T=!1,N=!0;s.areHostMethods(y,["addRange","getRangeAt","removeAllRanges"])&&typeof y.rangeCount=="number"&&e.features.implementsDomRange&&function(){var e=document.createElement("iframe");e.frameBorder=0,e.style.position="absolute",e.style.left="-10000px",w.appendChild(e);var t=i.getIframeDocument(e);t.open(),t.write("<html><head></head><body>12</body></html>"),t.close();var n=i.getIframeWindow(e).getSelection(),r=t.documentElement,s=r.lastChild,o=s.firstChild,u=t.createRange();u.setStart(o,1),u.collapse(!0),n.addRange(u),N=n.rangeCount==1,n.removeAllRanges();var a=u.cloneRange();u.setStart(o,0),a.setEnd(o,2),n.addRange(u),n.addRange(a),T=n.rangeCount==2,u.detach(),a.detach(),w.removeChild(e)}(),e.features.selectionSupportsMultipleRanges=T,e.features.collapsedNonEditableSelectionsSupported=N;var C=!1,k;w&&s.isHostMethod(w,"createControlRange")&&(k=w.createControlRange(),s.areHostProperties(k,["item","add"])&&(C=!0)),e.features.implementsControlRange=C,E?c=function(e){return e.anchorNode===e.focusNode&&e.anchorOffset===e.focusOffset}:c=function(e){return e.rangeCount?e.getRangeAt(e.rangeCount-1).collapsed:!1};var F;s.isHostMethod(y,"getRangeAt")?F=function(e,t){try{return e.getRangeAt(t)}catch(n){return null}}:E&&(F=function(t){var n=i.getDocument(t.anchorNode),r=e.createRange(n);return r.setStart(t.anchorNode,t.anchorOffset),r.setEnd(t.focusNode,t.focusOffset),r.collapsed!==this.isCollapsed&&(r.setStart(t.focusNode,t.focusOffset),r.setEnd(t.anchorNode,t.anchorOffset)),r }),e.getSelection=function(e){e=e||window;var t=e[r],n=l(e),i=m?d(e):null;return t?(t.nativeSelection=n,t.docSelection=i,t.refresh(e)):(t=new I(n,i,e),e[r]=t),t},e.getIframeSelection=function(t){return e.getSelection(i.getIframeWindow(t))};var q=I.prototype;if(!g&&E&&s.areHostMethods(y,["removeAllRanges","addRange"])){q.removeAllRanges=function(){this.nativeSelection.removeAllRanges(),O(this)};var U=function(t,n){var r=o.getRangeDocument(n),i=e.createRange(r);i.collapseToPoint(n.endContainer,n.endOffset),t.nativeSelection.addRange(M(i)),t.nativeSelection.extend(n.startContainer,n.startOffset),t.refresh()};x?q.addRange=function(t,n){if(C&&m&&this.docSelection.type==h)j(this,t);else if(n&&S)U(this,t);else{var r;T?r=this.rangeCount:(this.removeAllRanges(),r=0),this.nativeSelection.addRange(M(t)),this.rangeCount=this.nativeSelection.rangeCount;if(this.rangeCount==r+1){if(e.config.checkSelectionRanges){var i=F(this.nativeSelection,this.rangeCount-1);i&&!o.rangesEqual(i,t)&&(t=new u(i))}this._ranges[this.rangeCount-1]=t,L(this,t,X(this.nativeSelection)),this.isCollapsed=c(this)}else this.refresh()}}:q.addRange=function(e,t){t&&S?U(this,e):(this.nativeSelection.addRange(M(e)),this.refresh())},q.setRanges=function(e){if(C&&e.length>1)R(this,e);else{this.removeAllRanges();for(var t=0,n=e.length;t<n;++t)this.addRange(e[t])}}}else{if(!(s.isHostMethod(y,"empty")&&s.isHostMethod(b,"select")&&C&&g))return t.fail("No means of selecting a Range or TextRange was found"),!1;q.removeAllRanges=function(){try{this.docSelection.empty();if(this.docSelection.type!="None"){var e;if(this.anchorNode)e=i.getDocument(this.anchorNode);else if(this.docSelection.type==h){var t=this.docSelection.createRange();t.length&&(e=i.getDocument(t.item(0)).body.createTextRange())}if(e){var n=e.body.createTextRange();n.select(),this.docSelection.empty()}}}catch(r){}O(this)},q.addRange=function(e){this.docSelection.type==h?j(this,e):(u.rangeToTextRange(e).select(),this._ranges[0]=e,this.rangeCount=1,this.isCollapsed=this._ranges[0].collapsed,L(this,e,!1))},q.setRanges=function(e){this.removeAllRanges();var t=e.length;t>1?R(this,e):t&&this.addRange(e[0])}}q.getRangeAt=function(e){if(e<0||e>=this.rangeCount)throw new a("INDEX_SIZE_ERR");return this._ranges[e]};var z;if(g)z=function(t){var n;e.isSelectionValid(t.win)?n=t.docSelection.createRange():(n=i.getBody(t.win.document).createTextRange(),n.collapse(!0)),t.docSelection.type==h?B(t):P(n)?H(t,n):O(t)};else if(s.isHostMethod(y,"getRangeAt")&&typeof y.rangeCount=="number")z=function(t){if(C&&m&&t.docSelection.type==h)B(t);else{t._ranges.length=t.rangeCount=t.nativeSelection.rangeCount;if(t.rangeCount){for(var n=0,r=t.rangeCount;n<r;++n)t._ranges[n]=new e.WrappedRange(t.nativeSelection.getRangeAt(n));L(t,t._ranges[t.rangeCount-1],X(t.nativeSelection)),t.isCollapsed=c(t)}else O(t)}};else{if(!E||typeof y.isCollapsed!=n||typeof b.collapsed!=n||!e.features.implementsDomRange)return t.fail("No means of obtaining a Range or TextRange from the user's selection was found"),!1;z=function(e){var t,n=e.nativeSelection;n.anchorNode?(t=F(n,0),e._ranges=[t],e.rangeCount=1,A(e),e.isCollapsed=c(e)):O(e)}}q.refresh=function(e){var t=e?this._ranges.slice(0):null;z(this);if(e){var n=t.length;if(n!=this._ranges.length)return!1;while(n--)if(!o.rangesEqual(t[n],this._ranges[n]))return!1;return!0}};var W=function(e,t){var n=e.getAllRanges(),r=!1;e.removeAllRanges();for(var i=0,s=n.length;i<s;++i)r||t!==n[i]?e.addRange(n[i]):r=!0;e.rangeCount||O(e)};C?q.removeRange=function(e){if(this.docSelection.type==h){var t=this.docSelection.createRange(),n=D(e),r=i.getDocument(t.item(0)),s=i.getBody(r).createControlRange(),o,u=!1;for(var a=0,f=t.length;a<f;++a)o=t.item(a),o!==n||u?s.add(t.item(a)):u=!0;s.select(),B(this)}else W(this,e)}:q.removeRange=function(e){W(this,e)};var X;!g&&E&&e.features.implementsDomRange?(X=function(e){var t=!1;return e.anchorNode&&(t=i.comparePoints(e.anchorNode,e.anchorOffset,e.focusNode,e.focusOffset)==1),t},q.isBackwards=function(){return X(this)}):X=q.isBackwards=function(){return!1},q.toString=function(){var e=[];for(var t=0,n=this.rangeCount;t<n;++t)e[t]=""+this._ranges[t];return e.join("")},q.collapse=function(t,n){V(this,t);var r=e.createRange(i.getDocument(t));r.collapseToPoint(t,n),this.removeAllRanges(),this.addRange(r),this.isCollapsed=!0},q.collapseToStart=function(){if(!this.rangeCount)throw new a("INVALID_STATE_ERR");var e=this._ranges[0];this.collapse(e.startContainer,e.startOffset)},q.collapseToEnd=function(){if(!this.rangeCount)throw new a("INVALID_STATE_ERR");var e=this._ranges[this.rangeCount-1];this.collapse(e.endContainer,e.endOffset)},q.selectAllChildren=function(t){V(this,t);var n=e.createRange(i.getDocument(t));n.selectNodeContents(t),this.removeAllRanges(),this.addRange(n)},q.deleteFromDocument=function(){if(C&&m&&this.docSelection.type==h){var e=this.docSelection.createRange(),t;while(e.length)t=e.item(0),e.remove(t),t.parentNode.removeChild(t);this.refresh()}else if(this.rangeCount){var n=this.getAllRanges();this.removeAllRanges();for(var r=0,i=n.length;r<i;++r)n[r].deleteContents();this.addRange(n[i-1])}},q.getAllRanges=function(){return this._ranges.slice(0)},q.setSingleRange=function(e){this.setRanges([e])},q.containsNode=function(e,t){for(var n=0,r=this._ranges.length;n<r;++n)if(this._ranges[n].containsNode(e,t))return!0;return!1},q.toHtml=function(){var e="";if(this.rangeCount){var t=o.getRangeDocument(this._ranges[0]).createElement("div");for(var n=0,r=this._ranges.length;n<r;++n)t.appendChild(this._ranges[n].cloneContents());e=t.innerHTML}return e},q.getName=function(){return"WrappedSelection"},q.inspect=function(){return $(this)},q.detach=function(){this.win[r]=null,this.win=this.anchorNode=this.focusNode=null},I.inspect=$,e.Selection=I,e.selectionPrototype=q,e.addCreateMissingNativeApiListener(function(t){typeof t.getSelection=="undefined"&&(t.getSelection=function(){return e.getSelection(this)}),t=null})}),rangy.createModule("CssClassApplier",function(e, t){function i(e){return e.replace(/^\s\s*/,"").replace(/\s\s*$/,"")}function s(e,t){return e.className&&(new RegExp("(?:^|\\s)"+t+"(?:\\s|$)")).test(e.className)}function o(e,t){e.className?s(e,t)||(e.className+=" "+t):e.className=t}function a(e){return e.split(/\s+/).sort().join(" ")}function f(e){return a(e.className)}function l(e,t){return f(e)==f(t)}function c(e){var t=e.parentNode;while(e.hasChildNodes())t.insertBefore(e.firstChild,e);t.removeChild(e)}function h(e,t){var n=e.cloneRange();n.selectNodeContents(t);var r=n.intersection(e),i=r?r.toString():"";return n.detach(),i!=""}function p(e){return e.getNodes([3],function(t){return h(e,t)})}function d(e,t){if(e.attributes.length!=t.attributes.length)return!1;for(var n=0,r=e.attributes.length,i,s,o;n<r;++n){i=e.attributes[n],o=i.name;if(o!="class"){s=t.attributes.getNamedItem(o);if(i.specified!=s.specified)return!1;if(i.specified&&i.nodeValue!==s.nodeValue)return!1}}return!0}function v(e,t){for(var r=0,i=e.attributes.length,s;r<i;++r){s=e.attributes[r].name;if((!t||!n.arrayContains(t,s))&&e.attributes[r].specified&&s!="class")return!0}return!1}function m(e,t){for(var n in t)if(t.hasOwnProperty(n)&&e[n]!==t[n])return!1;return!0}function b(e){var t;return e&&e.nodeType==1&&((t=e.parentNode)&&t.nodeType==9&&t.designMode=="on"||y(e)&&!y(e.parentNode))}function w(e){return(y(e)||e.nodeType!=1&&y(e.parentNode))&&!b(e)}function S(e){return e&&e.nodeType==1&&!E.test(g(e,"display"))}function T(e){if(e.data.length==0)return!0;if(x.test(e.data))return!1;var t=g(e.parentNode,"whiteSpace");switch(t){case"pre":case"pre-wrap":case"-moz-pre-wrap":return!1;case"pre-line":if(/[\r\n]/.test(e.data))return!1}return S(e.previousSibling)||S(e.nextSibling)}function N(e,t){return n.isCharacterDataNode(e)?t==0?!!e.previousSibling:t==e.length?!!e.nextSibling:!0:t>0&&t<e.childNodes.length}function C(e,r,i,s){var o,u=i==0;if(n.isAncestorOf(r,e))return e;if(n.isCharacterDataNode(r))if(i==0)i=n.getNodeIndex(r),r=r.parentNode;else{if(i!=r.length)throw t.createError("splitNodeAt should not be called with offset in the middle of a data node ("+i+" in "+r.data);i=n.getNodeIndex(r)+1,r=r.parentNode}if(N(r,i)){if(!o){o=r.cloneNode(!1),o.id&&o.removeAttribute("id");var a;while(a=r.childNodes[i])o.appendChild(a);n.insertAfter(o,r)}return r==e?o:C(e,o.parentNode,n.getNodeIndex(o),s)}if(e!=r){o=r.parentNode;var f=n.getNodeIndex(r);return u||f++,C(e,o,f,s)}return e}function k(e,t){return e.tagName==t.tagName&&l(e,t)&&d(e,t)}function L(e){var t=e?"nextSibling":"previousSibling";return function(n,r){var i=n.parentNode,s=n[t];if(s){if(s&&s.nodeType==3)return s}else if(r){s=i[t];if(s&&s.nodeType==1&&k(i,s))return s[e?"firstChild":"lastChild"]}return null}}function M(e){this.isElementMerge=e.nodeType==1,this.firstTextNode=this.isElementMerge?e.lastChild:e,this.textNodes=[this.firstTextNode]}function P(e,t,n){this.cssClass=e;var r,s,o,u,f=null;if(typeof t=="object"&&t!==null){n=t.tagNames,f=t.elementProperties;for(s=0;u=_[s++];)t.hasOwnProperty(u)&&(this[u]=t[u]);r=t.normalize}else r=t;this.normalize=typeof r=="undefined"?!0:r,this.attrExceptions=[];var l=document.createElement(this.elementTagName);this.elementProperties={};for(var c in f)f.hasOwnProperty(c)&&(D.hasOwnProperty(c)&&(c=D[c]),l[c]=f[c],this.elementProperties[c]=l[c],this.attrExceptions.push(c));this.elementSortedClassName=this.elementProperties.hasOwnProperty("className")?a(this.elementProperties.className+" "+e):e,this.applyToAnyTagName=!1;var h=typeof n;if(h=="string")n=="*"?this.applyToAnyTagName=!0:this.tagNames=i(n.toLowerCase()).split(/\s*,\s*/);else if(h=="object"&&typeof n.length=="number"){this.tagNames=[];for(s=0,o=n.length;s<o;++s)n[s]=="*"?this.applyToAnyTagName=!0:this.tagNames.push(n[s].toLowerCase())}else this.tagNames=[this.elementTagName]}function H(e,t,n){return new P(e,t,n)}e.requireModules(["WrappedSelection","WrappedRange"]);var n=e.dom,r="span",u=function(){function e(e,t,n){return t&&n?" ":""}return function(t,n){t.className&&(t.className=t.className.replace(new RegExp("(?:^|\\s)"+n+"(?:\\s|$)"),e))}}(),g;typeof window.getComputedStyle!="undefined"?g=function(e,t){return n.getWindow(e).getComputedStyle(e,null)[t]}:typeof document.documentElement.currentStyle!="undefined"?g=function(e,t){return e.currentStyle[t]}:t.fail("No means of obtaining computed style properties found");var y;(function(){var e=document.createElement("div");typeof e.isContentEditable=="boolean"?y=function(e){return e&&e.nodeType==1&&e.isContentEditable}:y=function(e){return!e||e.nodeType!=1||e.contentEditable=="false"?!1:e.contentEditable=="true"||y(e.parentNode)}})();var E=/^inline(-block|-table)?$/i,x=/[^\r\n\t\f \u200B]/,A=L(!1),O=L(!0);M.prototype={doMerge:function(){var e=[],t,n,r;for(var i=0,s=this.textNodes.length;i<s;++i)t=this.textNodes[i],n=t.parentNode,e[i]=t.data,i&&(n.removeChild(t),n.hasChildNodes()||n.parentNode.removeChild(n));return this.firstTextNode.data=r=e.join(""),r},getLength:function(){var e=this.textNodes.length,t=0;while(e--)t+=this.textNodes[e].length;return t},toString:function(){var e=[];for(var t=0,n=this.textNodes.length;t<n;++t)e[t]="'"+this.textNodes[t].data+"'";return"[Merge("+e.join(",")+")]"}};var _=["elementTagName","ignoreWhiteSpace","applyToEditableOnly"],D={"class":"className"};P.prototype={elementTagName:r,elementProperties:{},ignoreWhiteSpace:!0,applyToEditableOnly:!1,hasClass:function(e){return e.nodeType==1&&n.arrayContains(this.tagNames,e.tagName.toLowerCase())&&s(e,this.cssClass)},getSelfOrAncestorWithClass:function(e){while(e){if(this.hasClass(e,this.cssClass))return e;e=e.parentNode}return null},isModifiable:function(e){return!this.applyToEditableOnly||w(e)},isIgnorableWhiteSpaceNode:function(e){return this.ignoreWhiteSpace&&e&&e.nodeType==3&&T(e)},postApply:function(e,t,n){var r=e[0],i=e[e.length-1],s=[],o,u=r,a=i,f=0,l=i.length,c,h;for(var p=0,d=e.length;p<d;++p)c=e[p],h=A(c,!n),h?(o||(o=new M(h),s.push(o)),o.textNodes.push(c),c===r&&(u=o.firstTextNode,f=u.length),c===i&&(a=o .firstTextNode,l=o.getLength())):o=null;var v=O(i,!n);v&&(o||(o=new M(i),s.push(o)),o.textNodes.push(v));if(s.length){for(p=0,d=s.length;p<d;++p)s[p].doMerge();t.setStart(u,f),t.setEnd(a,l)}},createContainer:function(t){var n=t.createElement(this.elementTagName);return e.util.extend(n,this.elementProperties),o(n,this.cssClass),n},applyToTextNode:function(e){var t=e.parentNode;if(t.childNodes.length==1&&n.arrayContains(this.tagNames,t.tagName.toLowerCase()))o(t,this.cssClass);else{var r=this.createContainer(n.getDocument(e));e.parentNode.insertBefore(r,e),r.appendChild(e)}},isRemovable:function(e){return e.tagName.toLowerCase()==this.elementTagName&&f(e)==this.elementSortedClassName&&m(e,this.elementProperties)&&!v(e,this.attrExceptions)&&this.isModifiable(e)},undoToTextNode:function(e,t,n){if(!t.containsNode(n)){var r=t.cloneRange();r.selectNode(n),r.isPointInRange(t.endContainer,t.endOffset)&&(C(n,t.endContainer,t.endOffset,[t]),t.setEndAfter(n)),r.isPointInRange(t.startContainer,t.startOffset)&&(n=C(n,t.startContainer,t.startOffset,[t]))}this.isRemovable(n)?c(n):u(n,this.cssClass)},applyToRange:function(e){e.splitBoundaries();var t=p(e);if(t.length){var n;for(var r=0,i=t.length;r<i;++r)n=t[r],!this.isIgnorableWhiteSpaceNode(n)&&!this.getSelfOrAncestorWithClass(n)&&this.isModifiable(n)&&this.applyToTextNode(n);e.setStart(t[0],0),n=t[t.length-1],e.setEnd(n,n.length),this.normalize&&this.postApply(t,e,!1)}},applyToSelection:function(t){t=t||window;var n=e.getSelection(t),r,i=n.getAllRanges();n.removeAllRanges();var s=i.length;while(s--)r=i[s],this.applyToRange(r),n.addRange(r)},undoToRange:function(e){e.splitBoundaries();var t=p(e),n,r,i=t[t.length-1];if(t.length){for(var s=0,o=t.length;s<o;++s)n=t[s],r=this.getSelfOrAncestorWithClass(n),r&&this.isModifiable(n)&&this.undoToTextNode(n,e,r),e.setStart(t[0],0),e.setEnd(i,i.length);this.normalize&&this.postApply(t,e,!0)}},undoToSelection:function(t){t=t||window;var n=e.getSelection(t),r=n.getAllRanges(),i;n.removeAllRanges();for(var s=0,o=r.length;s<o;++s)i=r[s],this.undoToRange(i),n.addRange(i)},getTextSelectedByRange:function(e,t){var n=t.cloneRange();n.selectNodeContents(e);var r=n.intersection(t),i=r?r.toString():"";return n.detach(),i},isAppliedToRange:function(e){if(e.collapsed)return!!this.getSelfOrAncestorWithClass(e.commonAncestorContainer);var t=e.getNodes([3]);for(var n=0,r;r=t[n++];)if(!this.isIgnorableWhiteSpaceNode(r)&&h(e,r)&&this.isModifiable(r)&&!this.getSelfOrAncestorWithClass(r))return!1;return!0},isAppliedToSelection:function(t){t=t||window;var n=e.getSelection(t),r=n.getAllRanges(),i=r.length;while(i--)if(!this.isAppliedToRange(r[i]))return!1;return!0},toggleRange:function(e){this.isAppliedToRange(e)?this.undoToRange(e):this.applyToRange(e)},toggleSelection:function(e){this.isAppliedToSelection(e)?this.undoToSelection(e):this.applyToSelection(e)},detach:function(){}},P.util={hasClass:s,addClass:o,removeClass:u,hasSameClasses:l,replaceWithOwnChildren:c,elementsHaveSameNonClassAttributes:d,elementHasNonClassAttributes:v,splitNodeAt:C,isEditableElement:y,isEditingHost:b,isEditable:w},e.CssClassApplier=P,e.createCssClassApplier=H}),rangy.createModule("SaveRestore",function(e,t){function i(e,t){return(t||document).getElementById(e)}function s(e,t){var i="selectionBoundary_"+ +(new Date)+"_"+(""+Math.random()).slice(2),s,o=n.getDocument(e.startContainer),u=e.cloneRange();return u.collapse(t),s=o.createElement("span"),s.id=i,s.style.lineHeight="0",s.style.display="none",s.className="rangySelectionBoundary",s.appendChild(o.createTextNode(r)),u.insertNode(s),u.detach(),s}function o(e,n,r,s){var o=i(r,e);o?(n[s?"setStartBefore":"setEndBefore"](o),o.parentNode.removeChild(o)):t.warn("Marker element has been removed. Cannot restore selection.")}function u(e,t){return t.compareBoundaryPoints(e.START_TO_START,e)}function a(n){n=n||window;var r=n.document;if(!e.isSelectionValid(n)){t.warn("Cannot save selection. This usually happens when the selection is collapsed and the selection document has lost focus.");return}var o=e.getSelection(n),a=o.getAllRanges(),f=[],l,c,h;a.sort(u);for(var p=0,d=a.length;p<d;++p)h=a[p],h.collapsed?(c=s(h,!1),f.push({markerId:c.id,collapsed:!0})):(c=s(h,!1),l=s(h,!0),f[p]={startMarkerId:l.id,endMarkerId:c.id,collapsed:!1,backwards:a.length==1&&o.isBackwards()});for(p=d-1;p>=0;--p)h=a[p],h.collapsed?h.collapseBefore(i(f[p].markerId,r)):(h.setEndBefore(i(f[p].endMarkerId,r)),h.setStartAfter(i(f[p].startMarkerId,r)));return o.setRanges(a),{win:n,doc:r,rangeInfos:f,restored:!1}}function f(n,r){if(!n.restored){var s=n.rangeInfos,u=e.getSelection(n.win),a=[];for(var f=s.length,l=f-1,c,h;l>=0;--l){c=s[l],h=e.createRange(n.doc);if(c.collapsed){var p=i(c.markerId,n.doc);if(p){p.style.display="inline";var d=p.previousSibling;d&&d.nodeType==3?(p.parentNode.removeChild(p),h.collapseToPoint(d,d.length)):(h.collapseBefore(p),p.parentNode.removeChild(p))}else t.warn("Marker element has been removed. Cannot restore selection.")}else o(n.doc,h,c.startMarkerId,!0),o(n.doc,h,c.endMarkerId,!1);f==1&&h.normalizeBoundaries(),a[l]=h}f==1&&r&&e.features.selectionHasExtend&&s[0].backwards?(u.removeAllRanges(),u.addRange(a[0],!0)):u.setRanges(a),n.restored=!0}}function l(e,t){var n=i(t,e);n&&n.parentNode.removeChild(n)}function c(e){var t=e.rangeInfos;for(var n=0,r=t.length,i;n<r;++n)i=t[n],i.collapsed?l(e.doc,i.markerId):(l(e.doc,i.startMarkerId),l(e.doc,i.endMarkerId))}e.requireModules(["DomUtil","DomRange","WrappedRange"]);var n=e.dom,r="\ufeff";e.saveSelection=a,e.restoreSelection=f,e.removeMarkerElement=l,e.removeMarkers=c}),rangy.createModule("Serializer",function(e,t){function s(e){return e.replace(/</g,"&lt;").replace(/>/g,"&gt;")}function o(e,t){t=t||[];var n=e.nodeType,r=e.childNodes,i=r.length,u=[n,e.nodeName,i].join(":"),a="",f="";switch(n){case 3:a=s(e.nodeValue);break;case 8:a="<!--"+s(e.nodeValue)+"-->";break;default:a="<"+u+">",f="</>"}a&&t.push(a);for(var l=0;l<i;++l)o(r[l],t);return f&&t.push(f),t}function u(e){var t= o(e).join("");return r(t).toString(16)}function a(e,t,n){var r=[],s=e;n=n||i.getDocument(e).documentElement;while(s&&s!=n)r.push(i.getNodeIndex(s,!0)),s=s.parentNode;return r.join("/")+":"+t}function f(e,n,r){n?r=r||i.getDocument(n):(r=r||document,n=r.documentElement);var s=e.split(":"),o=n,u=s[0]?s[0].split("/"):[],a=u.length,f;while(a--){f=parseInt(u[a],10);if(!(f<o.childNodes.length))throw t.createError("deserializePosition failed: node "+i.inspectNode(o)+" has no child with index "+f+", "+a);o=o.childNodes[parseInt(u[a],10)]}return new i.DomPosition(o,parseInt(s[1],10))}function l(t,n,r){r=r||e.DomRange.getRangeDocument(t).documentElement;if(!i.isAncestorOf(r,t.commonAncestorContainer,!0))throw new Error("serializeRange: range is not wholly contained within specified root node");var s=a(t.startContainer,t.startOffset,r)+","+a(t.endContainer,t.endOffset,r);return n||(s+="{"+u(r)+"}"),s}function c(t,n,r){n?r=r||i.getDocument(n):(r=r||document,n=r.documentElement);var s=/^([^,]+),([^,\{]+)({([^}]+)})?$/.exec(t),o=s[4],a=u(n);if(o&&o!==u(n))throw new Error("deserializeRange: checksums of serialized range root node ("+o+") and target root node ("+a+") do not match");var l=f(s[1],n,r),c=f(s[2],n,r),h=e.createRange(r);return h.setStart(l.node,l.offset),h.setEnd(c.node,c.offset),h}function h(e,t,n){t?n=n||i.getDocument(t):(n=n||document,t=n.documentElement);var r=/^([^,]+),([^,]+)({([^}]+)})?$/.exec(e),s=r[3];return!s||s===u(t)}function p(t,n,r){t=t||e.getSelection();var i=t.getAllRanges(),s=[];for(var o=0,u=i.length;o<u;++o)s[o]=l(i[o],n,r);return s.join("|")}function d(t,n,r){n?r=r||i.getWindow(n):(r=r||window,n=r.document.documentElement);var s=t.split("|"),o=e.getSelection(r),u=[];for(var a=0,f=s.length;a<f;++a)u[a]=c(s[a],n,r.document);return o.setRanges(u),o}function v(e,t,n){var r;t?r=n?n.document:i.getDocument(t):(n=n||window,t=n.document.documentElement);var s=e.split("|");for(var o=0,u=s.length;o<u;++o)if(!h(s[o],t,r))return!1;return!0}function g(e){var t=e.split(/[;,]/);for(var n=0,r=t.length,i,s;n<r;++n){i=t[n].split("=");if(i[0].replace(/^\s+/,"")==m){s=i[1];if(s)return decodeURIComponent(s.replace(/\s+$/,""))}}return null}function y(e){e=e||window;var t=g(e.document.cookie);t&&d(t,e.doc)}function b(t,n){t=t||window,n=typeof n=="object"?n:{};var r=n.expires?";expires="+n.expires.toUTCString():"",i=n.path?";path="+n.path:"",s=n.domain?";domain="+n.domain:"",o=n.secure?";secure":"",u=p(e.getSelection(t));t.document.cookie=encodeURIComponent(m)+"="+encodeURIComponent(u)+r+i+s+o}e.requireModules(["WrappedSelection","WrappedRange"]);var n="undefined";(typeof encodeURIComponent==n||typeof decodeURIComponent==n)&&t.fail("Global object is missing encodeURIComponent and/or decodeURIComponent method");var r=function(){function e(e){var t=[];for(var n=0,r=e.length,i;n<r;++n)i=e.charCodeAt(n),i<128?t.push(i):i<2048?t.push(i>>6|192,i&63|128):t.push(i>>12|224,i>>6&63|128,i&63|128);return t}function n(){var e=[];for(var t=0,n,r;t<256;++t){r=t,n=8;while(n--)(r&1)==1?r=r>>>1^3988292384:r>>>=1;e[t]=r>>>0}return e}function r(){return t||(t=n()),t}var t=null;return function(t){var n=e(t),i=-1,s=r();for(var o=0,u=n.length,a;o<u;++o)a=(i^n[o])&255,i=i>>>8^s[a];return(i^-1)>>>0}}(),i=e.dom,m="rangySerializedSelection";e.serializePosition=a,e.deserializePosition=f,e.serializeRange=l,e.deserializeRange=c,e.canDeserializeRange=h,e.serializeSelection=p,e.deserializeSelection=d,e.canDeserializeSelection=v,e.restoreSelectionFromCookie=y,e.saveSelectionCookie=b,e.getElementChecksum=u}),YUI.add("moodle-editor_atto-rangy",function(e,t){rangy.initialized||rangy.init()},"@VERSION@",{requires:[]});