diff --git a/dist/ot-min.js b/dist/ot-min.js
index 635fd95..7b442eb 100644
--- a/dist/ot-min.js
+++ b/dist/ot-min.js
@@ -8,4 +8,4 @@
  */
 
 
-if(void 0===ot)var ot={};if(ot.TextOperation=function(){"use strict";function a(){if(!this||this.constructor!==a)return new a;this.ops=[],this.baseLength=0,this.targetLength=0}function b(b,c){var d=b.ops,e=a.isRetain;switch(d.length){case 1:return d[0];case 2:return e(d[0])?d[1]:e(d[1])?d[0]:null;case 3:if(e(d[0])&&e(d[2]))return d[1]}return null}function c(a){return d(a.ops[0])?a.ops[0]:0}a.prototype.equals=function(a){if(this.baseLength!==a.baseLength)return!1;if(this.targetLength!==a.targetLength)return!1;if(this.ops.length!==a.ops.length)return!1;for(var b=0;b<this.ops.length;b++)if(this.ops[b]!==a.ops[b])return!1;return!0};var d=a.isRetain=function(a){return"number"==typeof a&&a>0},e=a.isInsert=function(a){return"string"==typeof a},f=a.isDelete=function(a){return"number"==typeof a&&a<0};return a.prototype.retain=function(a){if("number"!=typeof a)throw new Error("retain expects an integer");return 0===a?this:(this.baseLength+=a,this.targetLength+=a,d(this.ops[this.ops.length-1])?this.ops[this.ops.length-1]+=a:this.ops.push(a),this)},a.prototype.insert=function(a){if("string"!=typeof a)throw new Error("insert expects a string");if(""===a)return this;this.targetLength+=a.length;var b=this.ops;return e(b[b.length-1])?b[b.length-1]+=a:f(b[b.length-1])?e(b[b.length-2])?b[b.length-2]+=a:(b[b.length]=b[b.length-1],b[b.length-2]=a):b.push(a),this},a.prototype.delete=function(a){if("string"==typeof a&&(a=a.length),"number"!=typeof a)throw new Error("delete expects an integer or a string");return 0===a?this:(a>0&&(a=-a),this.baseLength-=a,f(this.ops[this.ops.length-1])?this.ops[this.ops.length-1]+=a:this.ops.push(a),this)},a.prototype.isNoop=function(){return 0===this.ops.length||1===this.ops.length&&d(this.ops[0])},a.prototype.toString=function(){return(Array.prototype.map||function(a){for(var b=this,c=[],d=0,e=b.length;d<e;d++)c[d]=a(b[d]);return c}).call(this.ops,function(a){return d(a)?"retain "+a:e(a)?"insert '"+a+"'":"delete "+-a}).join(", ")},a.prototype.toJSON=function(){return this.ops},a.fromJSON=function(b){for(var c=new a,g=0,h=b.length;g<h;g++){var i=b[g];if(d(i))c.retain(i);else if(e(i))c.insert(i);else{if(!f(i))throw new Error("unknown operation: "+JSON.stringify(i));c.delete(i)}}return c},a.prototype.apply=function(a){var b=this;if(a.length!==b.baseLength)throw new Error("The operation's base length must be equal to the string's length.");for(var c=[],f=0,g=0,h=this.ops,i=0,j=h.length;i<j;i++){var k=h[i];if(d(k)){if(g+k>a.length)throw new Error("Operation can't retain more characters than are left in the string.");c[f++]=a.slice(g,g+k),g+=k}else e(k)?c[f++]=k:g-=k}if(g!==a.length)throw new Error("The operation didn't operate on the whole string.");return c.join("")},a.prototype.invert=function(b){for(var c=0,f=new a,g=this.ops,h=0,i=g.length;h<i;h++){var j=g[h];d(j)?(f.retain(j),c+=j):e(j)?f.delete(j.length):(f.insert(b.slice(c,c-j)),c-=j)}return f},a.prototype.compose=function(b){var c=this;if(c.targetLength!==b.baseLength)throw new Error("The base length of the second operation has to be the target length of the first operation");for(var g=new a,h=c.ops,i=b.ops,j=0,k=0,l=h[j++],m=i[k++];;){if(void 0===l&&void 0===m)break;if(f(l))g.delete(l),l=h[j++];else if(e(m))g.insert(m),m=i[k++];else{if(void 0===l)throw new Error("Cannot compose operations: first operation is too short.");if(void 0===m)throw new Error("Cannot compose operations: first operation is too long.");if(d(l)&&d(m))l>m?(g.retain(m),l-=m,m=i[k++]):l===m?(g.retain(l),l=h[j++],m=i[k++]):(g.retain(l),m-=l,l=h[j++]);else if(e(l)&&f(m))l.length>-m?(l=l.slice(-m),m=i[k++]):l.length===-m?(l=h[j++],m=i[k++]):(m+=l.length,l=h[j++]);else if(e(l)&&d(m))l.length>m?(g.insert(l.slice(0,m)),l=l.slice(m),m=i[k++]):l.length===m?(g.insert(l),l=h[j++],m=i[k++]):(g.insert(l),m-=l.length,l=h[j++]);else{if(!d(l)||!f(m))throw new Error("This shouldn't happen: op1: "+JSON.stringify(l)+", op2: "+JSON.stringify(m));l>-m?(g.delete(m),l+=m,m=i[k++]):l===-m?(g.delete(m),l=h[j++],m=i[k++]):(g.delete(l),m+=l,l=h[j++])}}}return g},a.prototype.shouldBeComposedWith=function(a){if(this.isNoop()||a.isNoop())return!0;var d=c(this),g=c(a),h=b(this),i=b(a);return!(!h||!i)&&(e(h)&&e(i)?d+h.length===g:!(!f(h)||!f(i))&&(g-i===d||d===g))},a.prototype.shouldBeComposedWithInverted=function(a){if(this.isNoop()||a.isNoop())return!0;var d=c(this),g=c(a),h=b(this),i=b(a);return!(!h||!i)&&(e(h)&&e(i)?d+h.length===g||d===g:!(!f(h)||!f(i))&&g-i===d)},a.transform=function(b,c){if(b.baseLength!==c.baseLength)throw new Error("Both operations have to have the same base length");for(var g=new a,h=new a,i=b.ops,j=c.ops,k=0,l=0,m=i[k++],n=j[l++];;){if(void 0===m&&void 0===n)break;if(e(m))g.insert(m),h.retain(m.length),m=i[k++];else if(e(n))g.retain(n.length),h.insert(n),n=j[l++];else{if(void 0===m)throw new Error("Cannot compose operations: first operation is too short.");if(void 0===n)throw new Error("Cannot compose operations: first operation is too long.");var o;if(d(m)&&d(n))m>n?(o=n,m-=n,n=j[l++]):m===n?(o=n,m=i[k++],n=j[l++]):(o=m,n-=m,m=i[k++]),g.retain(o),h.retain(o);else if(f(m)&&f(n))-m>-n?(m-=n,n=j[l++]):m===n?(m=i[k++],n=j[l++]):(n-=m,m=i[k++]);else if(f(m)&&d(n))-m>n?(o=n,m+=n,n=j[l++]):-m===n?(o=n,m=i[k++],n=j[l++]):(o=-m,n+=m,m=i[k++]),g.delete(o);else{if(!d(m)||!f(n))throw new Error("The two operations aren't compatible");m>-n?(o=-n,m+=n,n=j[l++]):m===-n?(o=m,m=i[k++],n=j[l++]):(o=m,n+=m,m=i[k++]),h.delete(o)}}}return[g,h]},a}(),"object"==typeof module&&(module.exports=ot.TextOperation),void 0===ot)var ot={};if(ot.Selection=function(a){"use strict";function b(a,b){this.anchor=a,this.head=b}function c(a){this.ranges=a||[]}var d=a.ot?a.ot.TextOperation:require("./text-operation");return b.fromJSON=function(a){return new b(a.anchor,a.head)},b.prototype.equals=function(a){return this.anchor===a.anchor&&this.head===a.head},b.prototype.isEmpty=function(){return this.anchor===this.head},b.prototype.transform=function(a){function c(b){for(var c=b,e=a.ops,f=0,g=a.ops.length;f<g&&(d.isRetain(e[f])?b-=e[f]:d.isInsert(e[f])?c+=e[f].length:(c-=Math.min(b,-e[f]),b+=e[f]),!(b<0));f++);return c}var e=c(this.anchor);return this.anchor===this.head?new b(e,e):new b(e,c(this.head))},c.Range=b,c.createCursor=function(a){return new c([new b(a,a)])},c.fromJSON=function(a){for(var d=a.ranges||a,e=0,f=[];e<d.length;e++)f[e]=b.fromJSON(d[e]);return new c(f)},c.prototype.equals=function(a){if(this.position!==a.position)return!1;if(this.ranges.length!==a.ranges.length)return!1;for(var b=0;b<this.ranges.length;b++)if(!this.ranges[b].equals(a.ranges[b]))return!1;return!0},c.prototype.somethingSelected=function(){for(var a=0;a<this.ranges.length;a++)if(!this.ranges[a].isEmpty())return!0;return!1},c.prototype.compose=function(a){return a},c.prototype.transform=function(a){for(var b=0,d=[];b<this.ranges.length;b++)d[b]=this.ranges[b].transform(a);return new c(d)},c}(this),"object"==typeof module&&(module.exports=ot.Selection),void 0===ot)var ot={};if(ot.WrappedOperation=function(a){"use strict";function b(a,b){this.wrapped=a,this.meta=b}function c(a,b){for(var c in a)a.hasOwnProperty(c)&&(b[c]=a[c])}function d(a,b){if(a&&"object"==typeof a){if("function"==typeof a.compose)return a.compose(b);var d={};return c(a,d),c(b,d),d}return b}function e(a,b){return a&&"object"==typeof a&&"function"==typeof a.transform?a.transform(b):a}return b.prototype.apply=function(){return this.wrapped.apply.apply(this.wrapped,arguments)},b.prototype.invert=function(){var a=this.meta;return new b(this.wrapped.invert.apply(this.wrapped,arguments),a&&"object"==typeof a&&"function"==typeof a.invert?a.invert.apply(a,arguments):a)},b.prototype.compose=function(a){return new b(this.wrapped.compose(a.wrapped),d(this.meta,a.meta))},b.transform=function(a,c){var d=a.wrapped.constructor.transform,f=d(a.wrapped,c.wrapped);return[new b(f[0],e(a.meta,c.wrapped)),new b(f[1],e(c.meta,a.wrapped))]},b}(),"object"==typeof module&&(module.exports=ot.WrappedOperation),void 0===ot)var ot={};if(ot.UndoManager=function(){"use strict";function a(a){this.maxItems=a||50,this.state=c,this.dontCompose=!1,this.undoStack=[],this.redoStack=[]}function b(a,b){for(var c=[],d=b.constructor,e=a.length-1;e>=0;e--){var f=d.transform(a[e],b);"function"==typeof f[0].isNoop&&f[0].isNoop()||c.push(f[0]),b=f[1]}return c.reverse()}var c="normal";return a.prototype.add=function(a,b){if("undoing"===this.state)this.redoStack.push(a),this.dontCompose=!0;else if("redoing"===this.state)this.undoStack.push(a),this.dontCompose=!0;else{var c=this.undoStack;!this.dontCompose&&b&&c.length>0?c.push(a.compose(c.pop())):(c.push(a),c.length>this.maxItems&&c.shift()),this.dontCompose=!1,this.redoStack=[]}},a.prototype.transform=function(a){this.undoStack=b(this.undoStack,a),this.redoStack=b(this.redoStack,a)},a.prototype.performUndo=function(a){if(this.state="undoing",0===this.undoStack.length)throw new Error("undo not possible");a(this.undoStack.pop()),this.state=c},a.prototype.performRedo=function(a){if(this.state="redoing",0===this.redoStack.length)throw new Error("redo not possible");a(this.redoStack.pop()),this.state=c},a.prototype.canUndo=function(){return 0!==this.undoStack.length},a.prototype.canRedo=function(){return 0!==this.redoStack.length},a.prototype.isUndoing=function(){return"undoing"===this.state},a.prototype.isRedoing=function(){return"redoing"===this.state},a}(),"object"==typeof module&&(module.exports=ot.UndoManager),void 0===ot)var ot={};ot.Client=function(a){"use strict";function b(a){this.revision=a,this.setState(h)}function c(){}function d(a){this.outstanding=a}function e(a,b){this.outstanding=a,this.buffer=b}function f(a,b,c){this.acknowlaged=a,this.client=b,this.revision=c}function g(a,b,c,d){this.acknowlaged=a,this.buffer=b,this.client=c,this.revision=d}b.prototype.setState=function(a){this.state=a},b.prototype.applyClient=function(a){this.setState(this.state.applyClient(this,a))},b.prototype.applyServer=function(a,b){this.setState(this.state.applyServer(this,a,b))},b.prototype.applyOperations=function(a,b){this.setState(this.state.applyOperations(this,a,b))},b.prototype.serverAck=function(a){this.setState(this.state.serverAck(this,a))},b.prototype.serverReconnect=function(){"function"==typeof this.state.resend&&this.state.resend(this)},b.prototype.transformSelection=function(a){return this.state.transformSelection(a)},b.prototype.sendOperation=function(a,b){throw new Error("sendOperation must be defined in child class")},b.prototype.applyOperation=function(a){throw new Error("applyOperation must be defined in child class")},b.Synchronized=c,c.prototype.applyClient=function(a,b){return a.sendOperation(a.revision,b),new d(b)},c.prototype.applyServer=function(a,b,c){if(b-a.revision>1)throw new Error("Invalid revision.");return a.revision=b,a.applyOperation(c),this},c.prototype.serverAck=function(a,b){throw new Error("There is no pending operation.")},c.prototype.transformSelection=function(a){return a};var h=new c;return b.AwaitingConfirm=d,d.prototype.applyClient=function(a,b){return new e(this.outstanding,b)},d.prototype.applyServer=function(a,b,c){if(b-a.revision>1)throw new Error("Invalid revision.");a.revision=b;var e=c.constructor.transform(this.outstanding,c);return a.applyOperation(e[1]),new d(e[0])},d.prototype.serverAck=function(a,b){return b-a.revision>1?new f(this.outstanding,a,b).getOperations():(a.revision=b,h)},d.prototype.transformSelection=function(a){return a.transform(this.outstanding)},d.prototype.resend=function(a){a.sendOperation(a.revision,this.outstanding)},b.AwaitingWithBuffer=e,e.prototype.applyClient=function(a,b){var c=this.buffer.compose(b);return new e(this.outstanding,c)},e.prototype.applyServer=function(a,b,c){if(b-a.revision>1)throw new Error("Invalid revision.");a.revision=b;var d=c.constructor.transform,f=d(this.outstanding,c),g=d(this.buffer,f[1]);return a.applyOperation(g[1]),new e(f[0],g[0])},e.prototype.serverAck=function(a,b){return b-a.revision>1?new g(this.outstanding,this.buffer,a,b).getOperations():(a.revision=b,a.sendOperation(a.revision,this.buffer),new d(this.buffer))},e.prototype.transformSelection=function(a){return a.transform(this.outstanding).transform(this.buffer)},e.prototype.resend=function(a){a.sendOperation(a.revision,this.outstanding)},b.Stale=f,f.prototype.applyClient=function(a,b){return new g(this.acknowlaged,b,a,this.revision)},f.prototype.applyServer=function(a,b,c){throw new Error("Ignored server-side change.")},f.prototype.applyOperations=function(a,b,c){for(var d=this.acknowlaged.constructor.transform,e=0;e<c.length;e++){var f=ot.TextOperation.fromJSON(c[e]),g=d(this.acknowlaged,f);a.applyOperation(g[1]),this.acknowlaged=g[0]}return a.revision=this.revision,h},f.prototype.serverAck=function(a,b){throw new Error("There is no pending operation.")},f.prototype.transformSelection=function(a){return a},f.prototype.getOperations=function(){return this.client.getOperations(this.client.revision,this.revision-1),this},b.StaleWithBuffer=g,g.prototype.applyClient=function(a,b){var c=this.buffer.compose(b);return new g(this.acknowlaged,c,a,this.revision)},g.prototype.applyServer=function(a,b,c){throw new Error("Ignored server-side change.")},g.prototype.applyOperations=function(a,b,c){for(var e=this.acknowlaged.constructor.transform,f=0;f<c.length;f++){var g=ot.TextOperation.fromJSON(c[f]),h=e(this.acknowlaged,g),i=e(this.buffer,h[1]);a.applyOperation(i[1]),this.acknowlaged=h[0],this.buffer=i[0]}return a.revision=this.revision,a.sendOperation(a.revision,this.buffer),new d(this.buffer)},g.prototype.serverAck=function(a,b){throw new Error("There is no pending operation.")},g.prototype.transformSelection=function(a){return a},g.prototype.getOperations=function(){return this.client.getOperations(this.client.revision,this.revision-1),this},b}(),"object"==typeof module&&(module.exports=ot.Client),ot.CodeMirrorAdapter=function(a){"use strict";function b(a){this.cm=a,this.ignoreNextChange=!1,this.changeInProgress=!1,this.selectionChanged=!1,h(this,"onChanges"),h(this,"onChange"),h(this,"onCursorActivity"),h(this,"onFocus"),h(this,"onBlur"),a.on("changes",this.onChanges),a.on("change",this.onChange),a.on("cursorActivity",this.onCursorActivity),a.on("focus",this.onFocus),a.on("blur",this.onBlur)}function c(a,b){return a.line<b.line?-1:a.line>b.line?1:a.ch<b.ch?-1:a.ch>b.ch?1:0}function d(a,b){return c(a,b)<=0}function e(a,b){return d(a,b)?a:b}function f(a,b){return d(a,b)?b:a}function g(a){return a.indexFromPos({line:a.lastLine(),ch:0})+a.getLine(a.lastLine()).length}function h(a,b){var c=a[b];a[b]=function(){c.apply(a,arguments)}}function i(a){if("#"===a[0]&&(a=a.substr(1)),3===a.length){var b=a;a="",b=/^([a-f0-9])([a-f0-9])([a-f0-9])$/i.exec(b).slice(1);for(var c=0;c<3;c++)a+=b[c]+b[c]}var d=/^([a-f0-9]{2})([a-f0-9]{2})([a-f0-9]{2})$/i.exec(a).slice(1);return{red:parseInt(d[0],16),green:parseInt(d[1],16),blue:parseInt(d[2],16)}}var j=ot.TextOperation,k=ot.Selection;b.prototype.detach=function(){this.cm.off("changes",this.onChanges),this.cm.off("change",this.onChange),this.cm.off("cursorActivity",this.onCursorActivity),this.cm.off("focus",this.onFocus),this.cm.off("blur",this.onBlur)},b.operationFromCodeMirrorChanges=function(a,b){function c(a){return a[a.length-1]}function e(a){if(0===a.length)return 0;for(var b=0,c=0;c<a.length;c++)b+=a[c].length;return b+a.length-1}for(var f=g(b),h=(new j).retain(f),i=(new j).retain(f),k=function(a){return b.indexFromPos(a)},l=a.length-1;l>=0;l--){var m=a[l];k=function(a,b){return function(f){return d(f,b.from)?a(f):d(b.to,f)?a({line:f.line+b.text.length-1-(b.to.line-b.from.line),ch:b.to.line<f.line?f.ch:b.text.length<=1?f.ch-(b.to.ch-b.from.ch)+e(b.text):f.ch-b.to.ch+c(b.text).length})+e(b.removed)-e(b.text):b.from.line===f.line?a(b.from)+f.ch-b.from.ch:a(b.from)+e(b.removed.slice(0,f.line-b.from.line))+1+f.ch}}(k,m);var n=k(m.from),o=f-n-e(m.text);h=(new j).retain(n).delete(e(m.removed)).insert(m.text.join("\n")).retain(o).compose(h),i=i.compose((new j).retain(n).delete(e(m.text)).insert(m.removed.join("\n")).retain(o)),f+=e(m.removed)-e(m.text)}return[h,i]},b.operationFromCodeMirrorChange=b.operationFromCodeMirrorChanges,b.applyOperationToCodeMirror=function(a,b){b.operation(function(){for(var c=a.ops,d=0,e=0,f=c.length;e<f;e++){var g=c[e];if(j.isRetain(g))d+=g;else if(j.isInsert(g))b.replaceRange(g,b.posFromIndex(d),null,"ignoreHistory"),d+=g.length;else if(j.isDelete(g)){var h=b.posFromIndex(d),i=b.posFromIndex(d-g);b.replaceRange("",h,i,"ignoreHistory")}}})},b.prototype.registerCallbacks=function(a){this.callbacks=a},b.prototype.onChange=function(){this.changeInProgress=!0},b.prototype.onChanges=function(a,c){if(!this.ignoreNextChange){var d=b.operationFromCodeMirrorChanges(c,this.cm);this.trigger("change",d[0],d[1])}this.selectionChanged&&this.trigger("selectionChange"),this.changeInProgress=!1,this.ignoreNextChange=!1},b.prototype.onCursorActivity=b.prototype.onFocus=function(){this.changeInProgress?this.selectionChanged=!0:this.trigger("selectionChange")},b.prototype.onBlur=function(){this.cm.somethingSelected()||this.trigger("blur")},b.prototype.getValue=function(){return this.cm.getValue()},b.prototype.getSelection=function(){for(var a=this.cm,b=a.listSelections(),c=[],d=0;d<b.length;d++)c[d]=new k.Range(a.indexFromPos(b[d].anchor),a.indexFromPos(b[d].head));return new k(c)},b.prototype.setSelection=function(a){for(var b=[],c=0;a&&c<a.ranges.length;c++){var d=a.ranges[c];b[c]={anchor:this.cm.posFromIndex(d.anchor),head:this.cm.posFromIndex(d.head)}}this.cm.setSelections(b)};var l=function(){var a={},b=document.createElement("style");document.documentElement.getElementsByTagName("head")[0].appendChild(b);var c=b.sheet;return function(b){a[b]||(a[b]=!0,c.insertRule(b,(c.cssRules||c.rules).length))}}();return b.prototype.setOtherCursor=function(a,b,c){var d=this.cm.posFromIndex(a),e=(this.cm.cursorCoords(d),document.createElement("span"));return e.className="other-client",e.style.display="none",e.setAttribute("data-clientid",c),this.cm.setBookmark(d,{widget:e,insertLeft:!0})},b.prototype.setOtherSelectionRange=function(a,b,c){var d=/^#([0-9a-fA-F]{6})$/.exec(b);if(!d)throw new Error("only six-digit hex colors are allowed.");var g="selection-"+d[1],h=i(b),j="."+g+" { background: rgba("+h.red+","+h.green+","+h.blue+",0.2); }";l(j);var k=this.cm.posFromIndex(a.anchor),m=this.cm.posFromIndex(a.head);return this.cm.markText(e(k,m),f(k,m),{className:g})},b.prototype.setOtherSelection=function(a,b,c){for(var d=[],e=0;e<a.ranges.length;e++){var f=a.ranges[e];f.isEmpty()||(d[e]=this.setOtherSelectionRange(f,b,c))}return{clear:function(){for(var a=0;a<d.length;a++)d[a]&&d[a].clear()}}},b.prototype.trigger=function(a){var b=Array.prototype.slice.call(arguments,1),c=this.callbacks&&this.callbacks[a];c&&c.apply(this,b)},b.prototype.applyOperation=function(a){a.isNoop()||(this.ignoreNextChange=!0),b.applyOperationToCodeMirror(a,this.cm)},b.prototype.registerUndo=function(a){this.cm.undo=a},b.prototype.registerRedo=function(a){this.cm.redo=a},b}(),ot.SocketIOAdapter=function(){"use strict";function a(a){this.socket=a;var b=this;a.on("client_left",function(a){b.trigger("client_left",a)}).on("set_name",function(a,c){b.trigger("set_name",a,c)}).on("set_color",function(a,c){b.trigger("set_color",a,c)}).on("ack",function(a){b.trigger("ack",a)}).on("operation",function(a,c,d,e){b.trigger("operation",c,d),b.trigger("selection",a,e)}).on("operations",function(a,c){b.trigger("operations",a,c)}).on("selection",function(a,c){b.trigger("selection",a,c)}).on("reconnect",function(){b.trigger("reconnect")})}return a.prototype.sendOperation=function(a,b,c){this.socket.emit("operation",a,b,c)},a.prototype.sendSelection=function(a){this.socket.emit("selection",a)},a.prototype.getOperations=function(a,b){this.socket.emit("get_operations",a,b)},a.prototype.registerCallbacks=function(a){this.callbacks=a},a.prototype.trigger=function(a){var b=Array.prototype.slice.call(arguments,1),c=this.callbacks&&this.callbacks[a];c&&c.apply(this,b)},a}(),ot.AjaxAdapter=function(){"use strict";function a(a,b,c){"/"!==a[a.length-1]&&(a+="/"),this.path=a,this.ownUserName=b,this.majorRevision=c.major||0,this.minorRevision=c.minor||0,this.poll()}return a.prototype.renderRevisionPath=function(){return"revision/"+this.majorRevision+"-"+this.minorRevision},a.prototype.handleResponse=function(a){var b,c=a.operations;for(b=0;b<c.length;b++)c[b].user===this.ownUserName?this.trigger("ack"):this.trigger("operation",c[b].operation);c.length>0&&(this.majorRevision+=c.length,this.minorRevision=0);var d=a.events;if(d){for(b=0;b<d.length;b++){var e=d[b].user;if(e!==this.ownUserName)switch(d[b].event){case"joined":this.trigger("set_name",e,e);break;case"left":this.trigger("client_left",e);break;case"selection":this.trigger("selection",e,d[b].selection)}}this.minorRevision+=d.length}var f=a.users;f&&(delete f[this.ownUserName],this.trigger("clients",f)),a.revision&&(this.majorRevision=a.revision.major,this.minorRevision=a.revision.minor)},a.prototype.poll=function(){var a=this;$.ajax({url:this.path+this.renderRevisionPath(),type:"GET",dataType:"json",timeout:5e3,success:function(b){a.handleResponse(b),a.poll()},error:function(){setTimeout(function(){a.poll()},500)}})},a.prototype.sendOperation=function(a,b,c){if(a!==this.majorRevision)throw new Error("Revision numbers out of sync");var d=this;$.ajax({url:this.path+this.renderRevisionPath(),type:"POST",data:JSON.stringify({operation:b,selection:c}),contentType:"application/json",processData:!1,success:function(a){},error:function(){setTimeout(function(){d.sendOperation(a,b,c)},500)}})},a.prototype.sendSelection=function(a){$.ajax({url:this.path+this.renderRevisionPath()+"/selection",type:"POST",data:JSON.stringify(a),contentType:"application/json",processData:!1,timeout:1e3})},a.prototype.registerCallbacks=function(a){this.callbacks=a},a.prototype.trigger=function(a){var b=Array.prototype.slice.call(arguments,1),c=this.callbacks&&this.callbacks[a];c&&c.apply(this,b)},a}(),ot.EditorClient=function(){"use strict";function a(a,b){this.selectionBefore=a,this.selectionAfter=b}function b(a,b){this.clientId=a,this.selection=b}function c(a,b,c,d,e,f){this.id=a,this.listEl=b,this.editorAdapter=c,this.name=d,this.color=e,this.li=document.createElement("li"),d&&(this.li.textContent=d,this.listEl.appendChild(this.li)),e?this.setForceColor(e):this.setColor(d?g(d):Math.random()),f&&this.updateSelection(f)}function d(a,b,c,d){j.call(this,a),this.serverAdapter=c,this.editorAdapter=d,this.undoManager=new l,this.initializeClientList(),this.initializeClients(b);var e=this;this.editorAdapter.registerCallbacks({change:function(a,b){e.onChange(a,b)},selectionChange:function(){e.onSelectionChange()},blur:function(){e.onBlur()}}),this.editorAdapter.registerUndo(function(){e.undo()}),this.editorAdapter.registerRedo(function(){e.redo()}),this.serverAdapter.registerCallbacks({client_left:function(a){e.onClientLeft(a)},set_name:function(a,b){e.getClientObject(a).setName(b)},set_color:function(a,b){e.getClientObject(a).setForceColor(b)},ack:function(a){e.serverAck(a)},operation:function(a,b){e.applyServer(a,m.fromJSON(b))},operations:function(a,b){e.applyOperations(a,b)},selection:function(a,b){b?e.getClientObject(a).updateSelection(e.transformSelection(k.fromJSON(b))):e.getClientObject(a).removeSelection()},clients:function(a){var b;for(b in e.clients)e.clients.hasOwnProperty(b)&&!a.hasOwnProperty(b)&&e.onClientLeft(b);for(b in a)if(a.hasOwnProperty(b)){var c=e.getClientObject(b);a[b].name&&c.setName(a[b].name);var d=a[b].selection;d?e.clients[b].updateSelection(e.transformSelection(k.fromJSON(d))):e.clients[b].removeSelection()}},reconnect:function(){e.serverReconnect()}})}function e(a,b,c){function d(a){var b=Math.round(255*a).toString(16);return 1===b.length?"0"+b:b}return"#"+d(a)+d(b)+d(c)}function f(a,b,c){if(0===b)return e(c,c,c);var d=c<.5?c*(1+b):c+b-b*c,f=2*c-d,g=function(a){return a<0&&(a+=1),a>1&&(a-=1),6*a<1?f+6*(d-f)*a:2*a<1?d:3*a<2?f+6*(d-f)*(2/3-a):f};return e(g(a+1/3),g(a),g(a-1/3))}function g(a){for(var b=1,c=0;c<a.length;c++)b=17*(b+a.charCodeAt(c))%360;return b/360}function h(a){return a[a.length-1]}function i(a){a.parentNode&&a.parentNode.removeChild(a)}var j=ot.Client,k=ot.Selection,l=ot.UndoManager,m=ot.TextOperation,n=ot.WrappedOperation;return a.prototype.invert=function(){return new a(this.selectionAfter,this.selectionBefore)},a.prototype.compose=function(b){return new a(this.selectionBefore,b.selectionAfter)},a.prototype.transform=function(b){return new a(this.selectionBefore?this.selectionBefore.transform(b):null,this.selectionAfter?this.selectionAfter.transform(b):null)},b.fromJSON=function(a){return new b(a.clientId,a.selection&&k.fromJSON(a.selection))},b.prototype.transform=function(a){return new b(this.clientId,this.selection&&this.selection.transform(a))},c.prototype.setColor=function(a){this.hue=a,this.color=f(a,.75,.5),this.lightColor=f(a,.5,.9),this.li&&(this.li.style.color=this.color)},c.prototype.setForceColor=function(a){this.hue=null,this.color=a,this.lightColor=a,this.li&&(this.li.style.color=this.color)},c.prototype.setName=function(a){this.name!==a&&(this.name=a,this.li.textContent=a,this.li.parentNode||this.listEl.appendChild(this.li),this.setColor(g(a)))},c.prototype.updateSelection=function(a){this.removeSelection(),this.selection=a,this.mark=this.editorAdapter.setOtherSelection(a,a.position===a.selectionEnd?this.color:this.lightColor,this.id)},c.prototype.remove=function(){this.li&&i(this.li),this.removeSelection()},c.prototype.removeSelection=function(){this.mark&&(this.mark.clear(),this.mark=null)},function(a,b){function c(){}c.prototype=b.prototype,a.prototype=new c,a.prototype.constructor=a}(d,j),d.prototype.addClient=function(a,b){this.clients[a]=new c(a,this.clientListEl,this.editorAdapter,b.name||a,b.color||null,b.selection?k.fromJSON(b.selection):null)},d.prototype.initializeClients=function(a){this.clients={};for(var b in a)a.hasOwnProperty(b)&&this.addClient(b,a[b])},d.prototype.getClientObject=function(a){var b=this.clients[a];return b||(this.clients[a]=new c(a,this.clientListEl,this.editorAdapter))},d.prototype.onClientLeft=function(a){console.log("User disconnected: "+a);var b=this.clients[a];b&&(b.remove(),delete this.clients[a])},d.prototype.initializeClientList=function(){this.clientListEl=document.createElement("ul")},d.prototype.applyUnredo=function(a){this.undoManager.add(a.invert(this.editorAdapter.getValue())),this.editorAdapter.applyOperation(a.wrapped),this.selection=a.meta.selectionAfter,this.editorAdapter.setSelection(this.selection),this.applyClient(a.wrapped)},d.prototype.undo=function(){var a=this;this.undoManager.canUndo()&&this.undoManager.performUndo(function(b){a.applyUnredo(b)})},d.prototype.redo=function(){var a=this;this.undoManager.canRedo()&&this.undoManager.performRedo(function(b){a.applyUnredo(b)})},d.prototype.onChange=function(b,c){var d=this.selection;this.updateSelection();var e=new a(d,this.selection),f=(new n(b,e),this.undoManager.undoStack.length>0&&c.shouldBeComposedWithInverted(h(this.undoManager.undoStack).wrapped)),g=new a(this.selection,d);this.undoManager.add(new n(c,g),f),this.applyClient(b)},d.prototype.updateSelection=function(){this.selection=this.editorAdapter.getSelection()},d.prototype.onSelectionChange=function(){var a=this.selection;this.updateSelection(),a&&this.selection.equals(a)||this.sendSelection(this.selection)},d.prototype.onBlur=function(){this.selection=null,this.sendSelection(null)},d.prototype.sendSelection=function(a){this.state instanceof j.AwaitingWithBuffer||this.serverAdapter.sendSelection(a)},d.prototype.sendOperation=function(a,b){this.serverAdapter.sendOperation(a,b.toJSON(),this.selection)},d.prototype.getOperations=function(a,b){this.serverAdapter.getOperations(a,b)},d.prototype.applyOperation=function(a){this.editorAdapter.applyOperation(a),this.updateSelection(),this.undoManager.transform(new n(a,null))},d}();
\ No newline at end of file
+if(void 0===ot)var ot={};if(ot.TextOperation=function(){"use strict";function t(){if(!this||this.constructor!==t)return new t;this.ops=[],this.baseLength=0,this.targetLength=0}function e(e,n){var o=e.ops,r=t.isRetain;switch(o.length){case 1:return o[0];case 2:return r(o[0])?o[1]:r(o[1])?o[0]:null;case 3:if(r(o[0])&&r(o[2]))return o[1]}return null}function n(t){return o(t.ops[0])?t.ops[0]:0}t.prototype.equals=function(t){if(this.baseLength!==t.baseLength)return!1;if(this.targetLength!==t.targetLength)return!1;if(this.ops.length!==t.ops.length)return!1;for(var e=0;e<this.ops.length;e++)if(this.ops[e]!==t.ops[e])return!1;return!0};var o=t.isRetain=function(t){return"number"==typeof t&&t>0},r=t.isInsert=function(t){return"string"==typeof t},i=t.isDelete=function(t){return"number"==typeof t&&t<0};return t.prototype.retain=function(t){if("number"!=typeof t)throw new Error("retain expects an integer");return 0===t?this:(this.baseLength+=t,this.targetLength+=t,o(this.ops[this.ops.length-1])?this.ops[this.ops.length-1]+=t:this.ops.push(t),this)},t.prototype.insert=function(t){if("string"!=typeof t)throw new Error("insert expects a string");if(""===t)return this;this.targetLength+=t.length;var e=this.ops;return r(e[e.length-1])?e[e.length-1]+=t:i(e[e.length-1])?r(e[e.length-2])?e[e.length-2]+=t:(e[e.length]=e[e.length-1],e[e.length-2]=t):e.push(t),this},t.prototype.delete=function(t){if("string"==typeof t&&(t=t.length),"number"!=typeof t)throw new Error("delete expects an integer or a string");return 0===t?this:(t>0&&(t=-t),this.baseLength-=t,i(this.ops[this.ops.length-1])?this.ops[this.ops.length-1]+=t:this.ops.push(t),this)},t.prototype.isNoop=function(){return 0===this.ops.length||1===this.ops.length&&o(this.ops[0])},t.prototype.toString=function(){return(Array.prototype.map||function(t){for(var e=this,n=[],o=0,r=e.length;o<r;o++)n[o]=t(e[o]);return n}).call(this.ops,function(t){return o(t)?"retain "+t:r(t)?"insert '"+t+"'":"delete "+-t}).join(", ")},t.prototype.toJSON=function(){return this.ops},t.fromJSON=function(e){for(var n=new t,s=0,a=e.length;s<a;s++){var h=e[s];if(o(h))n.retain(h);else if(r(h))n.insert(h);else{if(!i(h))throw new Error("unknown operation: "+JSON.stringify(h));n.delete(h)}}return n},t.prototype.apply=function(t){var e=this;if(t.length!==e.baseLength)throw new Error("The operation's base length must be equal to the string's length.");for(var n=[],i=0,s=0,a=this.ops,h=0,p=a.length;h<p;h++){var c=a[h];if(o(c)){if(s+c>t.length)throw new Error("Operation can't retain more characters than are left in the string.");n[i++]=t.slice(s,s+c),s+=c}else r(c)?n[i++]=c:s-=c}if(s!==t.length)throw new Error("The operation didn't operate on the whole string.");return n.join("")},t.prototype.invert=function(e){for(var n=0,i=new t,s=this.ops,a=0,h=s.length;a<h;a++){var p=s[a];o(p)?(i.retain(p),n+=p):r(p)?i.delete(p.length):(i.insert(e.slice(n,n-p)),n-=p)}return i},t.prototype.compose=function(e){var n=this;if(n.targetLength!==e.baseLength)throw new Error("The base length of the second operation has to be the target length of the first operation");for(var s=new t,a=n.ops,h=e.ops,p=0,c=0,l=a[p++],u=h[c++];;){if(void 0===l&&void 0===u)break;if(i(l))s.delete(l),l=a[p++];else if(r(u))s.insert(u),u=h[c++];else{if(void 0===l)throw new Error("Cannot compose operations: first operation is too short.");if(void 0===u)throw new Error("Cannot compose operations: first operation is too long.");if(o(l)&&o(u))l>u?(s.retain(u),l-=u,u=h[c++]):l===u?(s.retain(l),l=a[p++],u=h[c++]):(s.retain(l),u-=l,l=a[p++]);else if(r(l)&&i(u))l.length>-u?(l=l.slice(-u),u=h[c++]):l.length===-u?(l=a[p++],u=h[c++]):(u+=l.length,l=a[p++]);else if(r(l)&&o(u))l.length>u?(s.insert(l.slice(0,u)),l=l.slice(u),u=h[c++]):l.length===u?(s.insert(l),l=a[p++],u=h[c++]):(s.insert(l),u-=l.length,l=a[p++]);else{if(!o(l)||!i(u))throw new Error("This shouldn't happen: op1: "+JSON.stringify(l)+", op2: "+JSON.stringify(u));l>-u?(s.delete(u),l+=u,u=h[c++]):l===-u?(s.delete(u),l=a[p++],u=h[c++]):(s.delete(l),u+=l,l=a[p++])}}}return s},t.prototype.shouldBeComposedWith=function(t){if(this.isNoop()||t.isNoop())return!0;var o=n(this),s=n(t),a=e(this),h=e(t);return!(!a||!h)&&(r(a)&&r(h)?o+a.length===s:!(!i(a)||!i(h))&&(s-h===o||o===s))},t.prototype.shouldBeComposedWithInverted=function(t){if(this.isNoop()||t.isNoop())return!0;var o=n(this),s=n(t),a=e(this),h=e(t);return!(!a||!h)&&(r(a)&&r(h)?o+a.length===s||o===s:!(!i(a)||!i(h))&&s-h===o)},t.transform=function(e,n){if(e.baseLength!==n.baseLength)throw new Error("Both operations have to have the same base length");for(var s=new t,a=new t,h=e.ops,p=n.ops,c=0,l=0,u=h[c++],f=p[l++];;){if(void 0===u&&void 0===f)break;if(r(u))s.insert(u),a.retain(u.length),u=h[c++];else if(r(f))s.retain(f.length),a.insert(f),f=p[l++];else{if(void 0===u)throw new Error("Cannot compose operations: first operation is too short.");if(void 0===f)throw new Error("Cannot compose operations: first operation is too long.");var g;if(o(u)&&o(f))u>f?(g=f,u-=f,f=p[l++]):u===f?(g=f,u=h[c++],f=p[l++]):(g=u,f-=u,u=h[c++]),s.retain(g),a.retain(g);else if(i(u)&&i(f))-u>-f?(u-=f,f=p[l++]):u===f?(u=h[c++],f=p[l++]):(f-=u,u=h[c++]);else if(i(u)&&o(f))-u>f?(g=f,u+=f,f=p[l++]):-u===f?(g=f,u=h[c++],f=p[l++]):(g=-u,f+=u,u=h[c++]),s.delete(g);else{if(!o(u)||!i(f))throw new Error("The two operations aren't compatible");u>-f?(g=-f,u+=f,f=p[l++]):u===-f?(g=u,u=h[c++],f=p[l++]):(g=u,f+=u,u=h[c++]),a.delete(g)}}}return[s,a]},t}(),"object"==typeof module&&(module.exports=ot.TextOperation),void 0===ot)var ot={};if(ot.Selection=function(t){"use strict";function e(t,e){this.anchor=t,this.head=e}function n(t){this.ranges=t||[]}var o=t.ot?t.ot.TextOperation:require("./text-operation");return e.fromJSON=function(t){return new e(t.anchor,t.head)},e.prototype.equals=function(t){return this.anchor===t.anchor&&this.head===t.head},e.prototype.isEmpty=function(){return this.anchor===this.head},e.prototype.transform=function(t){function n(e){for(var n=e,r=t.ops,i=0,s=t.ops.length;i<s&&(o.isRetain(r[i])?e-=r[i]:o.isInsert(r[i])?n+=r[i].length:(n-=Math.min(e,-r[i]),e+=r[i]),!(e<0));i++);return n}var r=n(this.anchor);return this.anchor===this.head?new e(r,r):new e(r,n(this.head))},n.Range=e,n.createCursor=function(t){return new n([new e(t,t)])},n.fromJSON=function(t){for(var o=t.ranges||t,r=0,i=[];r<o.length;r++)i[r]=e.fromJSON(o[r]);return new n(i)},n.prototype.equals=function(t){if(this.position!==t.position)return!1;if(this.ranges.length!==t.ranges.length)return!1;for(var e=0;e<this.ranges.length;e++)if(!this.ranges[e].equals(t.ranges[e]))return!1;return!0},n.prototype.somethingSelected=function(){for(var t=0;t<this.ranges.length;t++)if(!this.ranges[t].isEmpty())return!0;return!1},n.prototype.compose=function(t){return t},n.prototype.transform=function(t){for(var e=0,o=[];e<this.ranges.length;e++)o[e]=this.ranges[e].transform(t);return new n(o)},n}(this),"object"==typeof module&&(module.exports=ot.Selection),void 0===ot)var ot={};if(ot.WrappedOperation=function(t){"use strict";function e(t,e){this.wrapped=t,this.meta=e}function n(t,e){for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n])}function o(t,e){if(t&&"object"==typeof t){if("function"==typeof t.compose)return t.compose(e);var o={};return n(t,o),n(e,o),o}return e}function r(t,e){return t&&"object"==typeof t&&"function"==typeof t.transform?t.transform(e):t}return e.prototype.apply=function(){return this.wrapped.apply.apply(this.wrapped,arguments)},e.prototype.invert=function(){var t=this.meta;return new e(this.wrapped.invert.apply(this.wrapped,arguments),t&&"object"==typeof t&&"function"==typeof t.invert?t.invert.apply(t,arguments):t)},e.prototype.compose=function(t){return new e(this.wrapped.compose(t.wrapped),o(this.meta,t.meta))},e.transform=function(t,n){var o=(0,t.wrapped.constructor.transform)(t.wrapped,n.wrapped);return[new e(o[0],r(t.meta,n.wrapped)),new e(o[1],r(n.meta,t.wrapped))]},e}(),"object"==typeof module&&(module.exports=ot.WrappedOperation),void 0===ot)var ot={};if(ot.UndoManager=function(){"use strict";function t(t){this.maxItems=t||50,this.state=n,this.dontCompose=!1,this.undoStack=[],this.redoStack=[]}function e(t,e){for(var n=[],o=e.constructor,r=t.length-1;r>=0;r--){var i=o.transform(t[r],e);"function"==typeof i[0].isNoop&&i[0].isNoop()||n.push(i[0]),e=i[1]}return n.reverse()}var n="normal";return t.prototype.add=function(t,e){if("undoing"===this.state)this.redoStack.push(t),this.dontCompose=!0;else if("redoing"===this.state)this.undoStack.push(t),this.dontCompose=!0;else{var n=this.undoStack;!this.dontCompose&&e&&n.length>0?n.push(t.compose(n.pop())):(n.push(t),n.length>this.maxItems&&n.shift()),this.dontCompose=!1,this.redoStack=[]}},t.prototype.transform=function(t){this.undoStack=e(this.undoStack,t),this.redoStack=e(this.redoStack,t)},t.prototype.performUndo=function(t){if(this.state="undoing",0===this.undoStack.length)throw new Error("undo not possible");t(this.undoStack.pop()),this.state=n},t.prototype.performRedo=function(t){if(this.state="redoing",0===this.redoStack.length)throw new Error("redo not possible");t(this.redoStack.pop()),this.state=n},t.prototype.canUndo=function(){return 0!==this.undoStack.length},t.prototype.canRedo=function(){return 0!==this.redoStack.length},t.prototype.isUndoing=function(){return"undoing"===this.state},t.prototype.isRedoing=function(){return"redoing"===this.state},t}(),"object"==typeof module&&(module.exports=ot.UndoManager),void 0===ot)var ot={};ot.Client=function(t){"use strict";function e(t){this.revision=t,this.setState(a)}function n(){}function o(t){this.outstanding=t}function r(t,e){this.outstanding=t,this.buffer=e}function i(t,e,n){this.acknowlaged=t,this.client=e,this.revision=n}function s(t,e,n,o){this.acknowlaged=t,this.buffer=e,this.client=n,this.revision=o}e.prototype.setState=function(t){this.state=t},e.prototype.applyClient=function(t){this.setState(this.state.applyClient(this,t))},e.prototype.applyServer=function(t,e){this.setState(this.state.applyServer(this,t,e))},e.prototype.applyOperations=function(t,e){this.setState(this.state.applyOperations(this,t,e))},e.prototype.serverAck=function(t){this.setState(this.state.serverAck(this,t))},e.prototype.serverReconnect=function(){"function"==typeof this.state.resend&&this.state.resend(this)},e.prototype.transformSelection=function(t){return this.state.transformSelection(t)},e.prototype.sendOperation=function(t,e){throw new Error("sendOperation must be defined in child class")},e.prototype.applyOperation=function(t){throw new Error("applyOperation must be defined in child class")},e.Synchronized=n,n.prototype.applyClient=function(t,e){return t.sendOperation(t.revision,e),new o(e)},n.prototype.applyServer=function(t,e,n){if(e-t.revision>1)throw new Error("Invalid revision.");return t.revision=e,t.applyOperation(n),this},n.prototype.serverAck=function(t,e){throw new Error("There is no pending operation.")},n.prototype.transformSelection=function(t){return t};var a=new n;return e.AwaitingConfirm=o,o.prototype.applyClient=function(t,e){return new r(this.outstanding,e)},o.prototype.applyServer=function(t,e,n){if(e-t.revision>1)throw new Error("Invalid revision.");t.revision=e;var r=n.constructor.transform(this.outstanding,n);return t.applyOperation(r[1]),new o(r[0])},o.prototype.serverAck=function(t,e){return e-t.revision>1?new i(this.outstanding,t,e).getOperations():(t.revision=e,a)},o.prototype.transformSelection=function(t){return t.transform(this.outstanding)},o.prototype.resend=function(t){t.sendOperation(t.revision,this.outstanding)},e.AwaitingWithBuffer=r,r.prototype.applyClient=function(t,e){var n=this.buffer.compose(e);return new r(this.outstanding,n)},r.prototype.applyServer=function(t,e,n){if(e-t.revision>1)throw new Error("Invalid revision.");t.revision=e;var o=n.constructor.transform,i=o(this.outstanding,n),s=o(this.buffer,i[1]);return t.applyOperation(s[1]),new r(i[0],s[0])},r.prototype.serverAck=function(t,e){return e-t.revision>1?new s(this.outstanding,this.buffer,t,e).getOperations():(t.revision=e,t.sendOperation(t.revision,this.buffer),new o(this.buffer))},r.prototype.transformSelection=function(t){return t.transform(this.outstanding).transform(this.buffer)},r.prototype.resend=function(t){t.sendOperation(t.revision,this.outstanding)},e.Stale=i,i.prototype.applyClient=function(t,e){return new s(this.acknowlaged,e,t,this.revision)},i.prototype.applyServer=function(t,e,n){throw new Error("Ignored server-side change.")},i.prototype.applyOperations=function(t,e,n){for(var o=this.acknowlaged.constructor.transform,r=0;r<n.length;r++){var i=ot.TextOperation.fromJSON(n[r]),s=o(this.acknowlaged,i);t.applyOperation(s[1]),this.acknowlaged=s[0]}return t.revision=this.revision,a},i.prototype.serverAck=function(t,e){throw new Error("There is no pending operation.")},i.prototype.transformSelection=function(t){return t},i.prototype.getOperations=function(){return this.client.getOperations(this.client.revision,this.revision-1),this},e.StaleWithBuffer=s,s.prototype.applyClient=function(t,e){var n=this.buffer.compose(e);return new s(this.acknowlaged,n,t,this.revision)},s.prototype.applyServer=function(t,e,n){throw new Error("Ignored server-side change.")},s.prototype.applyOperations=function(t,e,n){for(var r=this.acknowlaged.constructor.transform,i=0;i<n.length;i++){var s=ot.TextOperation.fromJSON(n[i]),a=r(this.acknowlaged,s),h=r(this.buffer,a[1]);t.applyOperation(h[1]),this.acknowlaged=a[0],this.buffer=h[0]}return t.revision=this.revision,t.sendOperation(t.revision,this.buffer),new o(this.buffer)},s.prototype.serverAck=function(t,e){throw new Error("There is no pending operation.")},s.prototype.transformSelection=function(t){return t},s.prototype.getOperations=function(){return this.client.getOperations(this.client.revision,this.revision-1),this},e}(),"object"==typeof module&&(module.exports=ot.Client),ot.CodeMirrorAdapter=function(t){"use strict";function e(t){this.cm=t,this.ignoreNextChange=!1,this.changeInProgress=!1,this.selectionChanged=!1,a(this,"onChanges"),a(this,"onChange"),a(this,"onCursorActivity"),a(this,"onFocus"),a(this,"onBlur"),t.on("changes",this.onChanges),t.on("change",this.onChange),t.on("cursorActivity",this.onCursorActivity),t.on("focus",this.onFocus),t.on("blur",this.onBlur)}function n(t,e){return t.line<e.line?-1:t.line>e.line?1:t.ch<e.ch?-1:t.ch>e.ch?1:0}function o(t,e){return n(t,e)<=0}function r(t,e){return o(t,e)?t:e}function i(t,e){return o(t,e)?e:t}function s(t){return t.indexFromPos({line:t.lastLine(),ch:0})+t.getLine(t.lastLine()).length}function a(t,e){var n=t[e];t[e]=function(){n.apply(t,arguments)}}function h(t){if("#"===t[0]&&(t=t.substr(1)),3===t.length){var e=t;t="",e=/^([a-f0-9])([a-f0-9])([a-f0-9])$/i.exec(e).slice(1);for(var n=0;n<3;n++)t+=e[n]+e[n]}var o=/^([a-f0-9]{2})([a-f0-9]{2})([a-f0-9]{2})$/i.exec(t).slice(1);return{red:parseInt(o[0],16),green:parseInt(o[1],16),blue:parseInt(o[2],16)}}var p=ot.TextOperation,c=ot.Selection;e.prototype.detach=function(){this.cm.off("changes",this.onChanges),this.cm.off("change",this.onChange),this.cm.off("cursorActivity",this.onCursorActivity),this.cm.off("focus",this.onFocus),this.cm.off("blur",this.onBlur)},e.operationFromCodeMirrorChanges=function(t,e){function n(t){return t[t.length-1]}function r(t){if(0===t.length)return 0;for(var e=0,n=0;n<t.length;n++)e+=t[n].length;return e+t.length-1}for(var i=s(e),a=(new p).retain(i),h=(new p).retain(i),c=function(t){return e.indexFromPos(t)},l=t.length-1;l>=0;l--){var u=t[l],f=(c=function(t,e){return function(i){return o(i,e.from)?t(i):o(e.to,i)?t({line:i.line+e.text.length-1-(e.to.line-e.from.line),ch:e.to.line<i.line?i.ch:e.text.length<=1?i.ch-(e.to.ch-e.from.ch)+r(e.text):i.ch-e.to.ch+n(e.text).length})+r(e.removed)-r(e.text):e.from.line===i.line?t(e.from)+i.ch-e.from.ch:t(e.from)+r(e.removed.slice(0,i.line-e.from.line))+1+i.ch}}(c,u))(u.from),g=i-f-r(u.text);a=(new p).retain(f).delete(r(u.removed)).insert(u.text.join("\n")).retain(g).compose(a),h=h.compose((new p).retain(f).delete(r(u.text)).insert(u.removed.join("\n")).retain(g)),i+=r(u.removed)-r(u.text)}return[a,h]},e.operationFromCodeMirrorChange=e.operationFromCodeMirrorChanges,e.applyOperationToCodeMirror=function(t,e){e.operation(function(){for(var n=t.ops,o=0,r=0,i=n.length;r<i;r++){var s=n[r];if(p.isRetain(s))o+=s;else if(p.isInsert(s))e.replaceRange(s,e.posFromIndex(o),null,"ignoreHistory"),o+=s.length;else if(p.isDelete(s)){var a=e.posFromIndex(o),h=e.posFromIndex(o-s);e.replaceRange("",a,h,"ignoreHistory")}}})},e.prototype.registerCallbacks=function(t){this.callbacks=t},e.prototype.onChange=function(){this.changeInProgress=!0},e.prototype.onChanges=function(t,n){if(!this.ignoreNextChange){var o=e.operationFromCodeMirrorChanges(n,this.cm);this.trigger("change",o[0],o[1])}this.selectionChanged&&this.trigger("selectionChange"),this.changeInProgress=!1,this.ignoreNextChange=!1},e.prototype.onCursorActivity=e.prototype.onFocus=function(){this.changeInProgress?this.selectionChanged=!0:this.trigger("selectionChange")},e.prototype.onBlur=function(){this.cm.somethingSelected()||this.trigger("blur")},e.prototype.getValue=function(){return this.cm.getValue()},e.prototype.getSelection=function(){for(var t=this.cm,e=t.listSelections(),n=[],o=0;o<e.length;o++)n[o]=new c.Range(t.indexFromPos(e[o].anchor),t.indexFromPos(e[o].head));return new c(n)},e.prototype.setSelection=function(t){for(var e=[],n=0;t&&n<t.ranges.length;n++){var o=t.ranges[n];e[n]={anchor:this.cm.posFromIndex(o.anchor),head:this.cm.posFromIndex(o.head)}}this.cm.setSelections(e)};var l=function(){var t={},e=document.createElement("style");document.documentElement.getElementsByTagName("head")[0].appendChild(e);var n=e.sheet;return function(e){t[e]||(t[e]=!0,n.insertRule(e,(n.cssRules||n.rules).length))}}();return e.prototype.setOtherCursor=function(t,e,n){var o=this.cm.posFromIndex(t),r=(this.cm.cursorCoords(o),document.createElement("span"));return r.className="other-client",r.style.display="none",r.setAttribute("data-clientid",n),this.cm.setBookmark(o,{widget:r,insertLeft:!0})},e.prototype.setOtherSelectionRange=function(t,e,n){var o=/^#([0-9a-fA-F]{6})$/.exec(e);if(!o)throw new Error("only six-digit hex colors are allowed.");var s="selection-"+o[1],a=h(e),p="."+s+" { background: rgba("+a.red+","+a.green+","+a.blue+",0.2); }";l(p);var c=this.cm.posFromIndex(t.anchor),u=this.cm.posFromIndex(t.head);return this.cm.markText(r(c,u),i(c,u),{className:s})},e.prototype.setOtherSelection=function(t,e,n){for(var o=[],r=0;r<t.ranges.length;r++){var i=t.ranges[r];i.isEmpty()||(o[r]=this.setOtherSelectionRange(i,e,n))}return{clear:function(){for(var t=0;t<o.length;t++)o[t]&&o[t].clear()}}},e.prototype.trigger=function(t){var e=Array.prototype.slice.call(arguments,1),n=this.callbacks&&this.callbacks[t];n&&n.apply(this,e)},e.prototype.applyOperation=function(t){t.isNoop()||(this.ignoreNextChange=!0),e.applyOperationToCodeMirror(t,this.cm)},e.prototype.registerUndo=function(t){this.cm.undo=t},e.prototype.registerRedo=function(t){this.cm.redo=t},e}(),ot.SocketIOAdapter=function(){"use strict";function t(t){this.socket=t;var e=this;t.on("client_left",function(t){e.trigger("client_left",t)}).on("set_name",function(t,n){e.trigger("set_name",t,n)}).on("set_color",function(t,n){e.trigger("set_color",t,n)}).on("ack",function(t){e.trigger("ack",t)}).on("operation",function(t,n,o,r){e.trigger("operation",n,o),e.trigger("selection",t,r)}).on("operations",function(t,n){e.trigger("operations",t,n)}).on("selection",function(t,n){e.trigger("selection",t,n)}).on("reconnect",function(){e.trigger("reconnect")})}return t.prototype.sendOperation=function(t,e,n){this.socket.emit("operation",t,e,n)},t.prototype.sendSelection=function(t){this.socket.emit("selection",t)},t.prototype.getOperations=function(t,e){this.socket.emit("get_operations",t,e)},t.prototype.registerCallbacks=function(t){this.callbacks=t},t.prototype.trigger=function(t){var e=Array.prototype.slice.call(arguments,1),n=this.callbacks&&this.callbacks[t];n&&n.apply(this,e)},t}(),ot.AjaxAdapter=function(){"use strict";function t(t,e,n){"/"!==t[t.length-1]&&(t+="/"),this.path=t,this.ownUserName=e,this.majorRevision=n.major||0,this.minorRevision=n.minor||0,this.poll()}return t.prototype.renderRevisionPath=function(){return"revision/"+this.majorRevision+"-"+this.minorRevision},t.prototype.handleResponse=function(t){var e,n=t.operations;for(e=0;e<n.length;e++)n[e].user===this.ownUserName?this.trigger("ack"):this.trigger("operation",n[e].operation);n.length>0&&(this.majorRevision+=n.length,this.minorRevision=0);var o=t.events;if(o){for(e=0;e<o.length;e++){var r=o[e].user;if(r!==this.ownUserName)switch(o[e].event){case"joined":this.trigger("set_name",r,r);break;case"left":this.trigger("client_left",r);break;case"selection":this.trigger("selection",r,o[e].selection)}}this.minorRevision+=o.length}var i=t.users;i&&(delete i[this.ownUserName],this.trigger("clients",i)),t.revision&&(this.majorRevision=t.revision.major,this.minorRevision=t.revision.minor)},t.prototype.poll=function(){var t=this;$.ajax({url:this.path+this.renderRevisionPath(),type:"GET",dataType:"json",timeout:5e3,success:function(e){t.handleResponse(e),t.poll()},error:function(){setTimeout(function(){t.poll()},500)}})},t.prototype.sendOperation=function(t,e,n){if(t!==this.majorRevision)throw new Error("Revision numbers out of sync");var o=this;$.ajax({url:this.path+this.renderRevisionPath(),type:"POST",data:JSON.stringify({operation:e,selection:n}),contentType:"application/json",processData:!1,success:function(t){},error:function(){setTimeout(function(){o.sendOperation(t,e,n)},500)}})},t.prototype.sendSelection=function(t){$.ajax({url:this.path+this.renderRevisionPath()+"/selection",type:"POST",data:JSON.stringify(t),contentType:"application/json",processData:!1,timeout:1e3})},t.prototype.registerCallbacks=function(t){this.callbacks=t},t.prototype.trigger=function(t){var e=Array.prototype.slice.call(arguments,1),n=this.callbacks&&this.callbacks[t];n&&n.apply(this,e)},t}(),ot.EditorClient=function(){"use strict";function t(t,e){this.selectionBefore=t,this.selectionAfter=e}function e(t,e){this.clientId=t,this.selection=e}function n(t,e,n,o,r,i){this.id=t,this.listEl=e,this.editorAdapter=n,this.name=o,this.color=r,this.li=document.createElement("li"),o&&(this.li.textContent=o,this.listEl.appendChild(this.li)),r?this.setForceColor(r):this.setColor(o?s(o):Math.random()),i&&this.updateSelection(i)}function o(t,e,n,o){p.call(this,t),this.serverAdapter=n,this.editorAdapter=o,this.undoManager=new l,this.initializeClientList(),this.initializeClients(e);var r=this;this.editorAdapter.registerCallbacks({change:function(t,e){r.onChange(t,e)},selectionChange:function(){r.onSelectionChange()},blur:function(){r.onBlur()}}),this.editorAdapter.registerUndo(function(){r.undo()}),this.editorAdapter.registerRedo(function(){r.redo()}),this.serverAdapter.registerCallbacks({client_left:function(t){r.onClientLeft(t)},set_name:function(t,e){r.getClientObject(t).setName(e)},set_color:function(t,e){r.getClientObject(t).setForceColor(e)},ack:function(t){r.serverAck(t)},operation:function(t,e){r.applyServer(t,u.fromJSON(e))},operations:function(t,e){r.applyOperations(t,e)},selection:function(t,e){e?r.getClientObject(t).updateSelection(r.transformSelection(c.fromJSON(e))):r.getClientObject(t).removeSelection()},clients:function(t){var e;for(e in r.clients)r.clients.hasOwnProperty(e)&&!t.hasOwnProperty(e)&&r.onClientLeft(e);for(e in t)if(t.hasOwnProperty(e)){var n=r.getClientObject(e);t[e].name&&n.setName(t[e].name);var o=t[e].selection;o?r.clients[e].updateSelection(r.transformSelection(c.fromJSON(o))):r.clients[e].removeSelection()}},reconnect:function(){r.serverReconnect()}})}function r(t,e,n){function o(t){var e=Math.round(255*t).toString(16);return 1===e.length?"0"+e:e}return"#"+o(t)+o(e)+o(n)}function i(t,e,n){if(0===e)return r(n,n,n);var o=n<.5?n*(1+e):n+e-e*n,i=2*n-o,s=function(t){return t<0&&(t+=1),t>1&&(t-=1),6*t<1?i+6*(o-i)*t:2*t<1?o:3*t<2?i+6*(o-i)*(2/3-t):i};return r(s(t+1/3),s(t),s(t-1/3))}function s(t){for(var e=1,n=0;n<t.length;n++)e=17*(e+t.charCodeAt(n))%360;return e/360}function a(t){return t[t.length-1]}function h(t){t.parentNode&&t.parentNode.removeChild(t)}var p=ot.Client,c=ot.Selection,l=ot.UndoManager,u=ot.TextOperation,f=ot.WrappedOperation;return t.prototype.invert=function(){return new t(this.selectionAfter,this.selectionBefore)},t.prototype.compose=function(e){return new t(this.selectionBefore,e.selectionAfter)},t.prototype.transform=function(e){return new t(this.selectionBefore?this.selectionBefore.transform(e):null,this.selectionAfter?this.selectionAfter.transform(e):null)},e.fromJSON=function(t){return new e(t.clientId,t.selection&&c.fromJSON(t.selection))},e.prototype.transform=function(t){return new e(this.clientId,this.selection&&this.selection.transform(t))},n.prototype.setColor=function(t){this.hue=t,this.color=i(t,.75,.5),this.lightColor=i(t,.5,.9),this.li&&(this.li.style.color=this.color)},n.prototype.setForceColor=function(t){this.hue=null,this.color=t,this.lightColor=t,this.li&&(this.li.style.color=this.color)},n.prototype.setName=function(t){this.name!==t&&(this.name=t,this.li.textContent=t,this.li.parentNode||this.listEl.appendChild(this.li),this.setColor(s(t)))},n.prototype.updateSelection=function(t){this.removeSelection(),this.selection=t,this.mark=this.editorAdapter.setOtherSelection(t,t.position===t.selectionEnd?this.color:this.lightColor,this.id)},n.prototype.remove=function(){this.li&&h(this.li),this.removeSelection()},n.prototype.removeSelection=function(){this.mark&&(this.mark.clear(),this.mark=null)},function(t,e){function n(){}n.prototype=e.prototype,t.prototype=new n,t.prototype.constructor=t}(o,p),o.prototype.addClient=function(t,e){this.clients[t]=new n(t,this.clientListEl,this.editorAdapter,e.name||t,e.color||null,e.selection?c.fromJSON(e.selection):null)},o.prototype.initializeClients=function(t){this.clients={};for(var e in t)t.hasOwnProperty(e)&&this.addClient(e,t[e])},o.prototype.getClientObject=function(t){var e=this.clients[t];return e||(this.clients[t]=new n(t,this.clientListEl,this.editorAdapter))},o.prototype.onClientLeft=function(t){var e=this.clients[t];e&&(e.remove(),delete this.clients[t])},o.prototype.initializeClientList=function(){this.clientListEl=document.createElement("ul")},o.prototype.applyUnredo=function(t){this.undoManager.add(t.invert(this.editorAdapter.getValue())),this.editorAdapter.applyOperation(t.wrapped),this.selection=t.meta.selectionAfter,this.editorAdapter.setSelection(this.selection),this.applyClient(t.wrapped)},o.prototype.undo=function(){var t=this;this.undoManager.canUndo()&&this.undoManager.performUndo(function(e){t.applyUnredo(e)})},o.prototype.redo=function(){var t=this;this.undoManager.canRedo()&&this.undoManager.performRedo(function(e){t.applyUnredo(e)})},o.prototype.onChange=function(e,n){var o=this.selection;this.updateSelection();var r=new t(o,this.selection),i=(new f(e,r),this.undoManager.undoStack.length>0&&n.shouldBeComposedWithInverted(a(this.undoManager.undoStack).wrapped)),s=new t(this.selection,o);this.undoManager.add(new f(n,s),i),this.applyClient(e)},o.prototype.updateSelection=function(){this.selection=this.editorAdapter.getSelection()},o.prototype.onSelectionChange=function(){var t=this.selection;this.updateSelection(),t&&this.selection.equals(t)||this.sendSelection(this.selection)},o.prototype.onBlur=function(){this.selection=null,this.sendSelection(null)},o.prototype.sendSelection=function(t){this.state instanceof p.AwaitingWithBuffer||this.serverAdapter.sendSelection(t)},o.prototype.sendOperation=function(t,e){this.serverAdapter.sendOperation(t,e.toJSON(),this.selection)},o.prototype.getOperations=function(t,e){this.serverAdapter.getOperations(t,e)},o.prototype.applyOperation=function(t){this.editorAdapter.applyOperation(t),this.updateSelection(),this.undoManager.transform(new f(t,null))},o}();
\ No newline at end of file
diff --git a/dist/ot.js b/dist/ot.js
index 07c279e..6325b91 100644
--- a/dist/ot.js
+++ b/dist/ot.js
@@ -1921,7 +1921,6 @@ ot.EditorClient = (function () {
   };
 
   EditorClient.prototype.onClientLeft = function (clientId) {
-    console.log("User disconnected: " + clientId);
     var client = this.clients[clientId];
     if (!client) { return; }
     client.remove();
diff --git a/lib/editor-client.js b/lib/editor-client.js
index 94571ef..d2a8b33 100644
--- a/lib/editor-client.js
+++ b/lib/editor-client.js
@@ -224,7 +224,6 @@ ot.EditorClient = (function () {
   };
 
   EditorClient.prototype.onClientLeft = function (clientId) {
-    console.log("User disconnected: " + clientId);
     var client = this.clients[clientId];
     if (!client) { return; }
     client.remove();