diff --git a/markdownx/static/markdownx/js/markdownx.js b/markdownx/static/markdownx/js/markdownx.js
index 83b580f..19bc645 100644
--- a/markdownx/static/markdownx/js/markdownx.js
+++ b/markdownx/static/markdownx/js/markdownx.js
@@ -13,7 +13,7 @@
 "use strict";
 exports.__esModule = true;
 var utils_1 = require("./utils");
-var UPLOAD_URL_ATTRIBUTE = "data-markdownx-upload-urls-path", PROCESSING_URL_ATTRIBUTE = "data-markdownx-urls-path";
+var UPLOAD_URL_ATTRIBUTE = "data-markdownx-upload-urls-path", PROCESSING_URL_ATTRIBUTE = "data-markdownx-urls-path", RESIZABILITY_ATTRIBUTE = "data-markdownx-editor-resizable", LATENCY_ATTRIBUTE = "data-markdownx-latency";
 // ---------------------------------------------------------------------------------------------------------------------
 /**
  *
@@ -22,7 +22,7 @@ var UPLOAD_URL_ATTRIBUTE = "data-markdownx-upload-urls-path", PROCESSING_URL_ATT
  * @param {string} value
  * @returns {string}
  */
-function tabKeyEvent(start, end, value) {
+function applyIndentation(start, end, value) {
     return value.substring(0, start) + (value.substring(start, end).match(/\n/g) === null ?
         "\t" + value.substring(start) :
         value.substring(start, end).replace(/^/gm, '\t') + value.substring(end));
@@ -34,7 +34,7 @@ function tabKeyEvent(start, end, value) {
  * @param {string} value
  * @returns {string}
  */
-function shiftTabKeyEvent(start, end, value) {
+function removeIndentation(start, end, value) {
     var endString = null, lineNumbers = (value.substring(start, end).match(/\n/g) || []).length;
     if (start === end) {
         // Replacing `\t` at a specific location (+/- 1 chars) where there is no selection.
@@ -51,6 +51,34 @@ function shiftTabKeyEvent(start, end, value) {
     }
     return value.substring(0, start) + endString;
 }
+/**
+ *
+ * @param start
+ * @param end
+ * @param value
+ * @returns {string}
+ */
+function applyDuplication(start, end, value) {
+    var pattern = new RegExp("(?:.|\n){0," + end + "}\n([^].+)(?:.|\n)*", 'm');
+    switch (start) {
+        case end:
+            var line_1 = '';
+            value.replace(pattern, function (match, p1) { return line_1 += p1; });
+            return value.replace(line_1, line_1 + "\n" + line_1);
+        default:
+            return (value.substring(0, start) +
+                value.substring(start, end) +
+                (~value.charAt(start - 1).indexOf('\n') || ~value.charAt(start).indexOf('\n') ? '\n' : '') +
+                value.substring(start, end) +
+                value.substring(end));
+    }
+}
+function getHeight(element) {
+    return Math.max(// Maximum of computed or set heights.
+    parseInt(window.getComputedStyle(element).height), // Height is not set in styles.
+    (parseInt(element.style.height) || 0) // Property's own height if set, otherwise 0.
+    );
+}
 /**
  * @example
  *
@@ -64,92 +92,155 @@ function shiftTabKeyEvent(start, end, value) {
  */
 var MarkdownX = function (editor, preview) {
     var _this = this;
-    this.editor = editor;
-    this.preview = preview;
-    this._editorIsResizable = this.editor.style.resize == 'none';
-    this.timeout = null;
-    this.getEditorHeight = function (editor) { return editor.scrollHeight + "px"; };
+    var properties = {
+        editor: editor,
+        preview: preview,
+        _editorIsResizable: null,
+        _latency: null
+    };
+    var _initialize = function () {
+        _this.timeout = null;
+        // Events
+        // ----------------------------------------------------------------------------------------------
+        var documentListeners = {
+            // ToDo: Deprecate.
+            object: document,
+            listeners: [
+                { type: "drop", capture: false, listener: onHtmlEvents },
+                { type: "dragover", capture: false, listener: onHtmlEvents },
+                { type: "dragenter", capture: false, listener: onHtmlEvents },
+                { type: "dragleave", capture: false, listener: onHtmlEvents }
+            ]
+        }, editorListeners = {
+            object: properties.editor,
+            listeners: [
+                { type: "drop", capture: false, listener: onDrop },
+                { type: "input", capture: true, listener: inputChanged },
+                { type: "keydown", capture: true, listener: onKeyDown },
+                { type: "dragover", capture: false, listener: onDragEnter },
+                { type: "dragenter", capture: false, listener: onDragEnter },
+                { type: "dragleave", capture: false, listener: onDragLeave },
+                { type: "compositionstart", capture: true, listener: onKeyDown }
+            ]
+        };
+        // Initialise
+        // --------------------------------------------------------
+        utils_1.mountEvents(editorListeners);
+        utils_1.mountEvents(documentListeners); // ToDo: Deprecate.
+        properties.editor.style.transition = "opacity 1s ease";
+        properties.editor.style.webkitTransition = "opacity 1s ease";
+        // Latency must be a value >= 500 microseconds.
+        properties._latency = Math.max(parseInt(properties.editor.getAttribute(LATENCY_ATTRIBUTE)) || 0, 500);
+        properties._editorIsResizable =
+            (properties.editor.getAttribute(RESIZABILITY_ATTRIBUTE).match(/True/) || []).length > 0;
+        getMarkdown();
+        inputChanged();
+        utils_1.triggerCustomEvent("markdownx.init");
+    };
     /**
      * settings for ``timeout``.
      *
      * @private
      */
-    this._markdownify = function () {
+    var _markdownify = function () {
         clearTimeout(_this.timeout);
-        _this.timeout = setTimeout(_this.getMarkdown, 500);
+        _this.timeout = setTimeout(getMarkdown, properties._latency);
     };
-    this.updateHeight = function () {
-        _this._editorIsResizable ? _this.editor.style.height = _this.getEditorHeight(_this.editor) : null;
-    };
-    this.inputChanged = function () {
-        _this.updateHeight();
-        _this._markdownify();
-    };
-    // ToDo: Deprecate.
-    this.onHtmlEvents = function (event) { return _this._routineEventResponse(event); };
     /**
      * Routine tasks for event handlers (e.g. default preventions).
      *
      * @param {Event} event
      * @private
      */
-    this._routineEventResponse = function (event) {
+    var _inhibitDefault = function (event) {
         event.preventDefault();
         event.stopPropagation();
     };
-    this.onDragEnter = function (event) {
+    var updateHeight = function () {
+        // Ensure that the editor is resizable before anything else.
+        // Change size if scroll is larger that height, otherwise do nothing.
+        if (properties._editorIsResizable && getHeight(properties.editor) < properties.editor.scrollHeight)
+            properties.editor.style.height = properties.editor.scrollHeight + "px";
+    };
+    var inputChanged = function () {
+        updateHeight();
+        _markdownify();
+    };
+    // ToDo: Deprecate.
+    var onHtmlEvents = function (event) { return _inhibitDefault(event); };
+    var onDragEnter = function (event) {
         event.dataTransfer.dropEffect = 'copy';
-        _this._routineEventResponse(event);
+        _inhibitDefault(event);
     };
-    this.onDragLeave = function (event) { return _this._routineEventResponse(event); };
-    this.onDrop = function (event) {
+    var onDragLeave = function (event) { return _inhibitDefault(event); };
+    var onDrop = function (event) {
         if (event.dataTransfer && event.dataTransfer.files.length)
-            Object.keys(event.dataTransfer.files).map(function (fileKey) { return _this.sendFile(event.dataTransfer.files[fileKey]); });
-        _this._routineEventResponse(event);
+            Object.keys(event.dataTransfer.files).map(function (fileKey) { return sendFile(event.dataTransfer.files[fileKey]); });
+        _inhibitDefault(event);
     };
-    this.onKeyDown = function (event) {
-        // ASCII code references:
-        var TAB_KEY = 9, SELECTION_START = _this.editor.selectionStart;
-        if (event.keyCode !== TAB_KEY)
+    /**
+     *
+     * @param event
+     * @returns {KeyboardEvent}
+     */
+    var onKeyDown = function (event) {
+        // `Tab` for indentation, `d` for duplication.
+        if (event.key !== 'Tab' && event.key !== 'd')
             return null;
-        event.preventDefault();
-        var handlerFunc = event.shiftKey && event.keyCode === TAB_KEY ? shiftTabKeyEvent : tabKeyEvent;
-        _this.editor.value = handlerFunc(_this.editor.selectionStart, _this.editor.selectionEnd, _this.editor.value);
-        _this._markdownify();
-        _this.editor.focus();
-        _this.editor.selectionEnd = _this.editor.selectionStart = SELECTION_START;
+        _inhibitDefault(event);
+        var handlerFunc = null;
+        switch (event.key) {
+            case "Tab":
+                // Shift pressed: un-indent, otherwise indent.
+                handlerFunc = event.shiftKey ? removeIndentation : applyIndentation;
+                break;
+            case "d":
+                if (event.ctrlKey || event.metaKey)
+                    handlerFunc = applyDuplication;
+                else
+                    return null;
+                break;
+            default:
+                return null;
+        }
+        // Holding the start location before anything changes.
+        var SELECTION_START = properties.editor.selectionStart;
+        properties.editor.value = handlerFunc(properties.editor.selectionStart, properties.editor.selectionEnd, properties.editor.value);
+        _markdownify();
+        properties.editor.focus();
+        // Set the cursor location to the start location of the selection.
+        properties.editor.selectionEnd = properties.editor.selectionStart = SELECTION_START;
         return false;
     };
     /**
      *
      * @param file
-     * @returns {Request}
      */
-    this.sendFile = function (file) {
-        _this.editor.style.opacity = "0.3";
-        var xhr = new utils_1.Request(_this.editor.getAttribute(UPLOAD_URL_ATTRIBUTE), // URL
+    var sendFile = function (file) {
+        properties.editor.style.opacity = "0.3";
+        var xhr = new utils_1.Request(properties.editor.getAttribute(UPLOAD_URL_ATTRIBUTE), // URL
         utils_1.preparePostData({ image: file }) // Data
         );
         xhr.success = function (resp) {
             var response = JSON.parse(resp);
             if (response.image_code) {
-                _this.insertImage(response.image_code);
+                insertImage(response.image_code);
                 utils_1.triggerCustomEvent('markdownx.fileUploadEnd', [response]);
             }
             else if (response.image_path) {
                 // ToDo: Deprecate.
-                _this.insertImage("![](\"" + response.image_path + "\")");
+                insertImage("![](\"" + response.image_path + "\")");
                 utils_1.triggerCustomEvent('markdownx.fileUploadEnd', [response]);
             }
             else {
                 console.error('Wrong response', response);
                 utils_1.triggerCustomEvent('markdownx.fileUploadError', [response]);
             }
-            _this.preview.innerHTML = _this.response;
-            _this.editor.style.opacity = "1";
+            properties.preview.innerHTML = _this.response;
+            properties.editor.style.opacity = "1";
         };
         xhr.error = function (response) {
-            _this.editor.style.opacity = "1";
+            properties.editor.style.opacity = "1";
             console.error(response);
             utils_1.triggerCustomEvent('fileUploadError', [response]);
         };
@@ -157,15 +248,14 @@ var MarkdownX = function (editor, preview) {
     };
     /**
      *
-     * @returns {Request}
      */
-    this.getMarkdown = function () {
-        var xhr = new utils_1.Request(_this.editor.getAttribute(PROCESSING_URL_ATTRIBUTE), // URL
-        utils_1.preparePostData({ content: _this.editor.value }) // Data
+    var getMarkdown = function () {
+        var xhr = new utils_1.Request(properties.editor.getAttribute(PROCESSING_URL_ATTRIBUTE), // URL
+        utils_1.preparePostData({ content: properties.editor.value }) // Data
         );
         xhr.success = function (response) {
-            _this.preview.innerHTML = response;
-            _this.updateHeight();
+            properties.preview.innerHTML = response;
+            updateHeight();
             utils_1.triggerCustomEvent('markdownx.update', [response]);
         };
         xhr.error = function (response) {
@@ -174,46 +264,15 @@ var MarkdownX = function (editor, preview) {
         };
         return xhr.send();
     };
-    this.insertImage = function (textToInsert) {
-        var cursorPosition = _this.editor.selectionStart, text = _this.editor.value, textBeforeCursor = text.substring(0, cursorPosition), textAfterCursor = text.substring(cursorPosition, text.length);
-        _this.editor.value = "" + textBeforeCursor + textToInsert + textAfterCursor;
-        _this.editor.selectionStart = cursorPosition + textToInsert.length;
-        _this.editor.selectionEnd = cursorPosition + textToInsert.length;
-        utils_1.triggerEvent(_this.editor, 'keyup');
-        _this.inputChanged();
+    var insertImage = function (textToInsert) {
+        var cursorPosition = properties.editor.selectionStart, text = properties.editor.value, textBeforeCursor = text.substring(0, cursorPosition), textAfterCursor = text.substring(cursorPosition, text.length);
+        properties.editor.value = "" + textBeforeCursor + textToInsert + textAfterCursor;
+        properties.editor.selectionStart = cursorPosition + textToInsert.length;
+        properties.editor.selectionEnd = cursorPosition + textToInsert.length;
+        utils_1.triggerEvent(properties.editor, 'keyup');
+        inputChanged();
     };
-    // Events
-    // ----------------------------------------------------------------------------------------------
-    var documentListeners = {
-        // ToDo: Deprecate.
-        object: document,
-        listeners: [
-            { type: 'drop', capture: false, listener: this.onHtmlEvents },
-            { type: 'dragover', capture: false, listener: this.onHtmlEvents },
-            { type: 'dragenter', capture: false, listener: this.onHtmlEvents },
-            { type: 'dragleave', capture: false, listener: this.onHtmlEvents }
-        ]
-    }, editorListeners = {
-        object: this.editor,
-        listeners: [
-            { type: 'drop', capture: false, listener: this.onDrop },
-            { type: 'input', capture: true, listener: this.inputChanged },
-            { type: 'keydown', capture: true, listener: this.onKeyDown },
-            { type: 'dragover', capture: false, listener: this.onDragEnter },
-            { type: 'dragenter', capture: false, listener: this.onDragEnter },
-            { type: 'dragleave', capture: false, listener: this.onDragLeave },
-            { type: 'compositionstart', capture: true, listener: this.onKeyDown }
-        ]
-    };
-    // Initialise
-    // ----------------------------------------------------------------------------------------------
-    utils_1.mountEvents(editorListeners);
-    utils_1.mountEvents(documentListeners); // ToDo: Deprecate.
-    utils_1.triggerCustomEvent('markdownx.init');
-    this.editor.style.transition = "opacity 1s ease";
-    this.editor.style.webkitTransition = "opacity 1s ease";
-    this.getMarkdown();
-    this.inputChanged();
+    _initialize();
 };
 (function (funcName, baseObj) {
     // The public function name defaults to window.docReady
diff --git a/markdownx/static/markdownx/js/markdownx.min.js b/markdownx/static/markdownx/js/markdownx.min.js
index cffd877..61bd683 100644
--- a/markdownx/static/markdownx/js/markdownx.min.js
+++ b/markdownx/static/markdownx/js/markdownx.min.js
@@ -1 +1 @@
-!function e(t,n,r){function o(s,u){if(!n[s]){if(!t[s]){var a="function"==typeof require&&require;if(!u&&a)return a(s,!0);if(i)return i(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var d=n[s]={exports:{}};t[s][0].call(d.exports,function(e){var n=t[s][1][e];return o(n?n:e)},d,d.exports,e,t,n,r)}return n[s].exports}for(var i="function"==typeof require&&require,s=0;s<r.length;s++)o(r[s]);return o}({1:[function(e,t,n){"use strict";function r(e,t,n){return n.substring(0,e)+(null===n.substring(e,t).match(/\n/g)?"\t"+n.substring(e):n.substring(e,t).replace(/^/gm,"\t")+n.substring(t))}function o(e,t,n){var r=null,o=(n.substring(e,t).match(/\n/g)||[]).length;return e===t?(e=e>0&&null!==n[e-1].match(/\t/)?e-1:e,r=n.substring(e).replace(/\t/,"")):r=o?n.substring(e,t).replace(/^\t/gm,"")+n.substring(t,n.length):n.substring(e).replace(/\t/,""),n.substring(0,e)+r}n.__esModule=!0;var i=e("./utils"),s=function(e,t){var n=this;this.editor=e,this.preview=t,this._editorIsResizable="none"==this.editor.style.resize,this.timeout=null,this.getEditorHeight=function(e){return e.scrollHeight+"px"},this._markdownify=function(){clearTimeout(n.timeout),n.timeout=setTimeout(n.getMarkdown,500)},this.updateHeight=function(){n._editorIsResizable&&(n.editor.style.height=n.getEditorHeight(n.editor))},this.inputChanged=function(){n.updateHeight(),n._markdownify()},this.onHtmlEvents=function(e){return n._routineEventResponse(e)},this._routineEventResponse=function(e){e.preventDefault(),e.stopPropagation()},this.onDragEnter=function(e){e.dataTransfer.dropEffect="copy",n._routineEventResponse(e)},this.onDragLeave=function(e){return n._routineEventResponse(e)},this.onDrop=function(e){e.dataTransfer&&e.dataTransfer.files.length&&Object.keys(e.dataTransfer.files).map(function(t){return n.sendFile(e.dataTransfer.files[t])}),n._routineEventResponse(e)},this.onKeyDown=function(e){var t=n.editor.selectionStart;if(9!==e.keyCode)return null;e.preventDefault();var i=e.shiftKey&&9===e.keyCode?o:r;return n.editor.value=i(n.editor.selectionStart,n.editor.selectionEnd,n.editor.value),n._markdownify(),n.editor.focus(),n.editor.selectionEnd=n.editor.selectionStart=t,!1},this.sendFile=function(e){n.editor.style.opacity="0.3";var t=new i.Request(n.editor.getAttribute("data-markdownx-upload-urls-path"),i.preparePostData({image:e}));return t.success=function(e){var t=JSON.parse(e);t.image_code?(n.insertImage(t.image_code),i.triggerCustomEvent("markdownx.fileUploadEnd",[t])):t.image_path?(n.insertImage('![]("'+t.image_path+'")'),i.triggerCustomEvent("markdownx.fileUploadEnd",[t])):(console.error("Wrong response",t),i.triggerCustomEvent("markdownx.fileUploadError",[t])),n.preview.innerHTML=n.response,n.editor.style.opacity="1"},t.error=function(e){n.editor.style.opacity="1",console.error(e),i.triggerCustomEvent("fileUploadError",[e])},t.send()},this.getMarkdown=function(){var e=new i.Request(n.editor.getAttribute("data-markdownx-urls-path"),i.preparePostData({content:n.editor.value}));return e.success=function(e){n.preview.innerHTML=e,n.updateHeight(),i.triggerCustomEvent("markdownx.update",[e])},e.error=function(e){console.error(e),i.triggerCustomEvent("markdownx.updateError",[e])},e.send()},this.insertImage=function(e){var t=n.editor.selectionStart,r=n.editor.value,o=r.substring(0,t),s=r.substring(t,r.length);n.editor.value=""+o+e+s,n.editor.selectionStart=t+e.length,n.editor.selectionEnd=t+e.length,i.triggerEvent(n.editor,"keyup"),n.inputChanged()};var s={object:document,listeners:[{type:"drop",capture:!1,listener:this.onHtmlEvents},{type:"dragover",capture:!1,listener:this.onHtmlEvents},{type:"dragenter",capture:!1,listener:this.onHtmlEvents},{type:"dragleave",capture:!1,listener:this.onHtmlEvents}]},u={object:this.editor,listeners:[{type:"drop",capture:!1,listener:this.onDrop},{type:"input",capture:!0,listener:this.inputChanged},{type:"keydown",capture:!0,listener:this.onKeyDown},{type:"dragover",capture:!1,listener:this.onDragEnter},{type:"dragenter",capture:!1,listener:this.onDragEnter},{type:"dragleave",capture:!1,listener:this.onDragLeave},{type:"compositionstart",capture:!0,listener:this.onKeyDown}]};i.mountEvents(u),i.mountEvents(s),i.triggerCustomEvent("markdownx.init"),this.editor.style.transition="opacity 1s ease",this.editor.style.webkitTransition="opacity 1s ease",this.getMarkdown(),this.inputChanged()};!function(e,t){e=e||"docReady",t=t||window;var n=[],r=!1,o=!1,i=function(){r||(r=!0,n.map(function(e){return e.fn.call(window,e.ctx)}),n=[])};t[e]=function(e,t){if(r)return void setTimeout(function(){return e(t)},1);n.push({fn:e,ctx:t}),"complete"===document.readyState?setTimeout(i,1):o||(document.addEventListener("DOMContentLoaded",i,!1),window.addEventListener("load",i,!1),o=!0)}}("docReady",window),docReady(function(){var e=document.querySelectorAll(".markdownx > .markdownx-editor"),t=document.querySelectorAll(".markdownx > .markdownx-preview");return i.zip(e,t).map(function(e){return new s(e[0],e[1])})})},{"./utils":2}],2:[function(e,t,n){"use strict";function r(e){if(document.cookie&&document.cookie.length){var t=document.cookie.split(";").filter(function(t){return t.indexOf(e+"=")!==-1})[0];try{return decodeURIComponent(t.trim().substring(e.length+1))}catch(t){if(t instanceof TypeError)return console.info('No cookie with key "'+e+'". Wrong name?'),null;throw t}}return null}function o(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];if(e[0].constructor==Array)return e[0].slice().map(function(t,n){return e.map(function(e){return e[n]})});var n=e.map(function(e){return Object.keys(e).map(function(t){return e[t]})});return n[0].slice().map(function(e,t){return n.map(function(e){return e[t]})})}function i(e){return e.listeners.map(function(t){return e.object.addEventListener(t.type,t.listener,t.capture)})}function s(e,t){void 0===t&&(t=!0);var n=new FormData;return t&&n.append("csrfmiddlewaretoken",r("csrftoken")),Object.keys(e).map(function(t){return n.append(t,e[t])}),n}function u(e,t){var n=document.createEvent("HTMLEvents");n.initEvent(t,!1,!0),e.dispatchEvent(n)}function a(e,t){void 0===t&&(t=null);var n=new CustomEvent(e,{detail:t});document.dispatchEvent(n)}function c(e){for(var t=[],n=1;n<arguments.length;n++)t[n-1]=arguments[n];t.map(function(t){if(e.classList)e.classList.add(t);else{var n=e.className.split(" ");n.indexOf(t)<0&&n.push(t),e.className=n.join(" ")}})}function d(e){for(var t=[],n=1;n<arguments.length;n++)t[n-1]=arguments[n];t.map(function(t){if(e.classList)e.classList.remove(t);else{var n=e.className.split(" "),r=n.indexOf(t);r>-1&&n.splice(r,1),e.className=n.join(" ")}})}n.__esModule=!0,n.getCookie=r,n.zip=o,n.mountEvents=i,n.preparePostData=s;var l=function(){if("XMLHttpRequest"in window)return new XMLHttpRequest;try{return new ActiveXObject("Msxml2.XMLHTTP.6.0")}catch(e){}try{return new ActiveXObject("Msxml2.XMLHTTP.3.0")}catch(e){}try{return new ActiveXObject("Microsoft.XMLHTTP")}catch(e){}throw alert("Your browser belongs to history!"),new TypeError("This browser does not support AJAX requests.")},p=function(){function e(e,t){this.xhr=l(),this.url=e,this.data=t}return e.prototype.progress=function(e){e.lengthComputable&&console.log(e.loaded/e.total*100+"% uploaded")},e.prototype.error=function(e){console.error(e)},e.prototype.success=function(e){console.info(e)},e.prototype.send=function(){var e=this,t=this.success,n=this.error,r=this.progress;this.xhr.open("POST",this.url,!0),this.xhr.setRequestHeader("X-Requested-With","XMLHttpRequest"),this.xhr.upload.onprogress=function(e){return r(e)},this.xhr.onerror=function(t){n(e.xhr.responseText)},this.xhr.onload=function(n){var r=null;e.xhr.readyState==XMLHttpRequest.DONE&&(r=e.xhr.responseType&&"text"!==e.xhr.responseType?"document"===e.xhr.responseType?e.xhr.responseXML:e.xhr.response:e.xhr.responseText),t(r)},this.xhr.send(this.data)},e}();n.Request=p,n.triggerEvent=u,n.triggerCustomEvent=a,n.addClass=c,n.removeClass=d},{}]},{},[1]);
\ No newline at end of file
+!function e(t,r,n){function o(s,a){if(!r[s]){if(!t[s]){var u="function"==typeof require&&require;if(!a&&u)return u(s,!0);if(i)return i(s,!0);var c=new Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var l=r[s]={exports:{}};t[s][0].call(l.exports,function(e){var r=t[s][1][e];return o(r?r:e)},l,l.exports,e,t,r,n)}return r[s].exports}for(var i="function"==typeof require&&require,s=0;s<n.length;s++)o(n[s]);return o}({1:[function(e,t,r){"use strict";function n(e,t,r){return r.substring(0,e)+(null===r.substring(e,t).match(/\n/g)?"\t"+r.substring(e):r.substring(e,t).replace(/^/gm,"\t")+r.substring(t))}function o(e,t,r){var n=null,o=(r.substring(e,t).match(/\n/g)||[]).length;return e===t?(e=e>0&&null!==r[e-1].match(/\t/)?e-1:e,n=r.substring(e).replace(/\t/,"")):n=o?r.substring(e,t).replace(/^\t/gm,"")+r.substring(t,r.length):r.substring(e).replace(/\t/,""),r.substring(0,e)+n}function i(e,t,r){var n=new RegExp("(?:.|\n){0,"+t+"}\n([^].+)(?:.|\n)*","m");switch(e){case t:var o="";return r.replace(n,function(e,t){return o+=t}),r.replace(o,o+"\n"+o);default:return r.substring(0,e)+r.substring(e,t)+(~r.charAt(e-1).indexOf("\n")||~r.charAt(e).indexOf("\n")?"\n":"")+r.substring(e,t)+r.substring(t)}}function s(e){return Math.max(parseInt(window.getComputedStyle(e).height),parseInt(e.style.height)||0)}r.__esModule=!0;var a=e("./utils"),u=function(e,t){var r=this,u={editor:e,preview:t,_editorIsResizable:null,_latency:null},c=function(){clearTimeout(r.timeout),r.timeout=setTimeout(w,u._latency)},l=function(e){e.preventDefault(),e.stopPropagation()},d=function(){u._editorIsResizable&&s(u.editor)<u.editor.scrollHeight&&(u.editor.style.height=u.editor.scrollHeight+"px")},p=function(){d(),c()},f=function(e){return l(e)},m=function(e){e.dataTransfer.dropEffect="copy",l(e)},g=function(e){return l(e)},h=function(e){e.dataTransfer&&e.dataTransfer.files.length&&Object.keys(e.dataTransfer.files).map(function(t){return y(e.dataTransfer.files[t])}),l(e)},v=function(e){if("Tab"!==e.key&&"d"!==e.key)return null;l(e);var t=null;switch(e.key){case"Tab":t=e.shiftKey?o:n;break;case"d":if(!e.ctrlKey&&!e.metaKey)return null;t=i;break;default:return null}var r=u.editor.selectionStart;return u.editor.value=t(u.editor.selectionStart,u.editor.selectionEnd,u.editor.value),c(),u.editor.focus(),u.editor.selectionEnd=u.editor.selectionStart=r,!1},y=function(e){u.editor.style.opacity="0.3";var t=new a.Request(u.editor.getAttribute("data-markdownx-upload-urls-path"),a.preparePostData({image:e}));return t.success=function(e){var t=JSON.parse(e);t.image_code?(x(t.image_code),a.triggerCustomEvent("markdownx.fileUploadEnd",[t])):t.image_path?(x('![]("'+t.image_path+'")'),a.triggerCustomEvent("markdownx.fileUploadEnd",[t])):(console.error("Wrong response",t),a.triggerCustomEvent("markdownx.fileUploadError",[t])),u.preview.innerHTML=r.response,u.editor.style.opacity="1"},t.error=function(e){u.editor.style.opacity="1",console.error(e),a.triggerCustomEvent("fileUploadError",[e])},t.send()},w=function(){var e=new a.Request(u.editor.getAttribute("data-markdownx-urls-path"),a.preparePostData({content:u.editor.value}));return e.success=function(e){u.preview.innerHTML=e,d(),a.triggerCustomEvent("markdownx.update",[e])},e.error=function(e){console.error(e),a.triggerCustomEvent("markdownx.updateError",[e])},e.send()},x=function(e){var t=u.editor.selectionStart,r=u.editor.value,n=r.substring(0,t),o=r.substring(t,r.length);u.editor.value=""+n+e+o,u.editor.selectionStart=t+e.length,u.editor.selectionEnd=t+e.length,a.triggerEvent(u.editor,"keyup"),p()};!function(){r.timeout=null;var e={object:document,listeners:[{type:"drop",capture:!1,listener:f},{type:"dragover",capture:!1,listener:f},{type:"dragenter",capture:!1,listener:f},{type:"dragleave",capture:!1,listener:f}]},t={object:u.editor,listeners:[{type:"drop",capture:!1,listener:h},{type:"input",capture:!0,listener:p},{type:"keydown",capture:!0,listener:v},{type:"dragover",capture:!1,listener:m},{type:"dragenter",capture:!1,listener:m},{type:"dragleave",capture:!1,listener:g},{type:"compositionstart",capture:!0,listener:v}]};a.mountEvents(t),a.mountEvents(e),u.editor.style.transition="opacity 1s ease",u.editor.style.webkitTransition="opacity 1s ease",u._latency=Math.max(parseInt(u.editor.getAttribute("data-markdownx-latency"))||0,500),u._editorIsResizable=(u.editor.getAttribute("data-markdownx-editor-resizable").match(/True/)||[]).length>0,w(),p(),a.triggerCustomEvent("markdownx.init")}()};!function(e,t){e=e||"docReady",t=t||window;var r=[],n=!1,o=!1,i=function(){n||(n=!0,r.map(function(e){return e.fn.call(window,e.ctx)}),r=[])};t[e]=function(e,t){if(n)return void setTimeout(function(){return e(t)},1);r.push({fn:e,ctx:t}),"complete"===document.readyState?setTimeout(i,1):o||(document.addEventListener("DOMContentLoaded",i,!1),window.addEventListener("load",i,!1),o=!0)}}("docReady",window),docReady(function(){var e=document.querySelectorAll(".markdownx > .markdownx-editor"),t=document.querySelectorAll(".markdownx > .markdownx-preview");return a.zip(e,t).map(function(e){return new u(e[0],e[1])})})},{"./utils":2}],2:[function(e,t,r){"use strict";function n(e){if(document.cookie&&document.cookie.length){var t=document.cookie.split(";").filter(function(t){return t.indexOf(e+"=")!==-1})[0];try{return decodeURIComponent(t.trim().substring(e.length+1))}catch(t){if(t instanceof TypeError)return console.info('No cookie with key "'+e+'". Wrong name?'),null;throw t}}return null}function o(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];if(e[0].constructor==Array)return e[0].slice().map(function(t,r){return e.map(function(e){return e[r]})});var r=e.map(function(e){return Object.keys(e).map(function(t){return e[t]})});return r[0].slice().map(function(e,t){return r.map(function(e){return e[t]})})}function i(e){return e.listeners.map(function(t){return e.object.addEventListener(t.type,t.listener,t.capture)})}function s(e,t){void 0===t&&(t=!0);var r=new FormData;return t&&r.append("csrfmiddlewaretoken",n("csrftoken")),Object.keys(e).map(function(t){return r.append(t,e[t])}),r}function a(e,t){var r=document.createEvent("HTMLEvents");r.initEvent(t,!1,!0),e.dispatchEvent(r)}function u(e,t){void 0===t&&(t=null);var r=new CustomEvent(e,{detail:t});document.dispatchEvent(r)}function c(e){for(var t=[],r=1;r<arguments.length;r++)t[r-1]=arguments[r];t.map(function(t){if(e.classList)e.classList.add(t);else{var r=e.className.split(" ");r.indexOf(t)<0&&r.push(t),e.className=r.join(" ")}})}function l(e){for(var t=[],r=1;r<arguments.length;r++)t[r-1]=arguments[r];t.map(function(t){if(e.classList)e.classList.remove(t);else{var r=e.className.split(" "),n=r.indexOf(t);n>-1&&r.splice(n,1),e.className=r.join(" ")}})}r.__esModule=!0,r.getCookie=n,r.zip=o,r.mountEvents=i,r.preparePostData=s;var d=function(){if("XMLHttpRequest"in window)return new XMLHttpRequest;try{return new ActiveXObject("Msxml2.XMLHTTP.6.0")}catch(e){}try{return new ActiveXObject("Msxml2.XMLHTTP.3.0")}catch(e){}try{return new ActiveXObject("Microsoft.XMLHTTP")}catch(e){}throw alert("Your browser belongs to history!"),new TypeError("This browser does not support AJAX requests.")},p=function(){function e(e,t){this.xhr=d(),this.url=e,this.data=t}return e.prototype.progress=function(e){e.lengthComputable&&console.log(e.loaded/e.total*100+"% uploaded")},e.prototype.error=function(e){console.error(e)},e.prototype.success=function(e){console.info(e)},e.prototype.send=function(){var e=this,t=this.success,r=this.error,n=this.progress;this.xhr.open("POST",this.url,!0),this.xhr.setRequestHeader("X-Requested-With","XMLHttpRequest"),this.xhr.upload.onprogress=function(e){return n(e)},this.xhr.onerror=function(t){r(e.xhr.responseText)},this.xhr.onload=function(r){var n=null;e.xhr.readyState==XMLHttpRequest.DONE&&(n=e.xhr.responseType&&"text"!==e.xhr.responseType?"document"===e.xhr.responseType?e.xhr.responseXML:e.xhr.response:e.xhr.responseText),t(n)},this.xhr.send(this.data)},e}();r.Request=p,r.triggerEvent=a,r.triggerCustomEvent=u,r.addClass=c,r.removeClass=l},{}]},{},[1]);
\ No newline at end of file
diff --git a/markdownx/static/markdownx/js/src/markdownx.ts b/markdownx/static/markdownx/js/src/markdownx.ts
index d74b9ba..dbb5e2e 100644
--- a/markdownx/static/markdownx/js/src/markdownx.ts
+++ b/markdownx/static/markdownx/js/src/markdownx.ts
@@ -25,7 +25,9 @@ import {
 } from "./utils";
 
 const UPLOAD_URL_ATTRIBUTE:     string = "data-markdownx-upload-urls-path",
-      PROCESSING_URL_ATTRIBUTE: string = "data-markdownx-urls-path";
+      PROCESSING_URL_ATTRIBUTE: string = "data-markdownx-urls-path",
+      RESIZABILITY_ATTRIBUTE:   string = "data-markdownx-editor-resizable",
+      LATENCY_ATTRIBUTE:        string = "data-markdownx-latency";
 
 // ---------------------------------------------------------------------------------------------------------------------
 
@@ -37,7 +39,7 @@ const UPLOAD_URL_ATTRIBUTE:     string = "data-markdownx-upload-urls-path",
  * @param {string} value
  * @returns {string}
  */
-function tabKeyEvent(start: number, end: number, value: string): string {
+function applyIndentation(start: number, end: number, value: string): string {
 
     return value.substring(0, start) + (
           value.substring(start, end).match(/\n/g) === null ?
@@ -55,7 +57,7 @@ function tabKeyEvent(start: number, end: number, value: string): string {
  * @param {string} value
  * @returns {string}
  */
-function shiftTabKeyEvent(start: number, end: number, value: string): string {
+function removeIndentation(start: number, end: number, value: string): string {
 
     let endString: string = null,
           lineNumbers: number     = (value.substring(start, end).match(/\n/g) || []).length;
@@ -84,6 +86,45 @@ function shiftTabKeyEvent(start: number, end: number, value: string): string {
 }
 
 
+/**
+ *
+ * @param start
+ * @param end
+ * @param value
+ * @returns {string}
+ */
+function applyDuplication(start, end, value): string {
+
+    const pattern = new RegExp(`(?:.|\n){0,${end}}\n([^].+)(?:.|\n)*`, 'm');
+
+    switch (start) {
+        case end:  // not selected.
+            let line: string = '';
+            value.replace(pattern, (match, p1) => line += p1);
+            return value.replace(line, `${line}\n${line}`);
+
+        default:  // selected.
+            return (
+                value.substring(0, start) +
+                value.substring(start, end) +
+                (~value.charAt(start - 1).indexOf('\n') || ~value.charAt(start).indexOf('\n') ? '\n' : '') +
+                value.substring(start, end) +
+                value.substring(end)
+            )
+    }
+
+}
+
+function getHeight (element: HTMLElement): number {
+
+    return Math.max(  // Maximum of computed or set heights.
+          parseInt(window.getComputedStyle(element).height), // Height is not set in styles.
+          (parseInt(element.style.height) || 0)  // Property's own height if set, otherwise 0.
+    )
+
+}
+
+
 /**
  * @example
  *
@@ -95,97 +136,176 @@ function shiftTabKeyEvent(start: number, end: number, value: string): string {
  * @param {HTMLTextAreaElement} editor - Markdown editor element.
  * @param {HTMLElement} preview - Markdown preview element.
  */
-const MarkdownX = function (editor: HTMLTextAreaElement, preview: Element) {
+const MarkdownX = function (editor: HTMLTextAreaElement, preview: Element): void {
 
-    this.editor             = editor;
-    this.preview            = preview;
-    this._editorIsResizable = this.editor.style.resize == 'none';
-    this.timeout            = null;
+    const properties = {
 
-    this.getEditorHeight = (editor: HTMLTextAreaElement) => `${editor.scrollHeight}px`;
+        editor: editor,
+        preview: preview,
+        _editorIsResizable: null,
+        _latency: null
+
+    };
+
+    const _initialize = () => {
+
+        this.timeout = null;
+
+        // Events
+        // ----------------------------------------------------------------------------------------------
+        let documentListeners = {
+                    // ToDo: Deprecate.
+                    object: document,
+                    listeners: [
+                        { type: "drop"     , capture: false, listener: onHtmlEvents },
+                        { type: "dragover" , capture: false, listener: onHtmlEvents },
+                        { type: "dragenter", capture: false, listener: onHtmlEvents },
+                        { type: "dragleave", capture: false, listener: onHtmlEvents }
+                    ]
+            },
+            editorListeners = {
+                object: properties.editor,
+                listeners: [
+                    { type: "drop",             capture: false, listener: onDrop       },
+                    { type: "input",            capture: true , listener: inputChanged },
+                    { type: "keydown",          capture: true , listener: onKeyDown    },
+                    { type: "dragover",         capture: false, listener: onDragEnter  },
+                    { type: "dragenter",        capture: false, listener: onDragEnter  },
+                    { type: "dragleave",        capture: false, listener: onDragLeave  },
+                    { type: "compositionstart", capture: true , listener: onKeyDown    }
+                ]
+            };
+
+        // Initialise
+        // --------------------------------------------------------
+        mountEvents(editorListeners);
+        mountEvents(documentListeners);  // ToDo: Deprecate.
+
+        properties.editor.style.transition       = "opacity 1s ease";
+        properties.editor.style.webkitTransition = "opacity 1s ease";
+
+        // Latency must be a value >= 500 microseconds.
+        properties._latency = Math.max(parseInt(properties.editor.getAttribute(LATENCY_ATTRIBUTE)) || 0, 500);
+
+        properties._editorIsResizable =
+              (properties.editor.getAttribute(RESIZABILITY_ATTRIBUTE).match(/True/) || []).length > 0;
+
+        getMarkdown();
+        inputChanged();
+
+        triggerCustomEvent("markdownx.init");
+
+    };
 
     /**
      * settings for ``timeout``.
      *
      * @private
      */
-    this._markdownify = (): void => {
+    const _markdownify = (): void => {
 
         clearTimeout(this.timeout);
-        this.timeout = setTimeout(this.getMarkdown, 500)
+        this.timeout = setTimeout(getMarkdown, properties._latency)
 
     };
 
-    this.updateHeight = (): void => {
-
-        this._editorIsResizable ? this.editor.style.height = this.getEditorHeight(this.editor) : null
-
-    };
-
-    this.inputChanged = (): void => {
-
-        this.updateHeight();
-        this._markdownify()
-
-    };
-
-    // ToDo: Deprecate.
-    this.onHtmlEvents = (event: Event): void => this._routineEventResponse(event);
-
     /**
      * Routine tasks for event handlers (e.g. default preventions).
      *
      * @param {Event} event
      * @private
      */
-    this._routineEventResponse = (event: any): void => {
+    const _inhibitDefault = (event: any): void => {
 
         event.preventDefault();
         event.stopPropagation()
 
     };
 
-    this.onDragEnter = (event: any): void => {
+    const updateHeight = (): void => {
+        // Ensure that the editor is resizable before anything else.
+        // Change size if scroll is larger that height, otherwise do nothing.
+        if (properties._editorIsResizable && getHeight(properties.editor) < properties.editor.scrollHeight)
+            properties.editor.style.height = `${properties.editor.scrollHeight}px`;
+
+    };
+
+    const inputChanged = (): void => {
+
+        updateHeight();
+        _markdownify()
+
+    };
+
+    // ToDo: Deprecate.
+    const onHtmlEvents = (event: Event): void => _inhibitDefault(event);
+
+    const onDragEnter = (event: any): void => {
 
         event.dataTransfer.dropEffect = 'copy';
-        this._routineEventResponse(event)
+        _inhibitDefault(event)
 
     };
 
-    this.onDragLeave = (event: Event): void => this._routineEventResponse(event);
+    const onDragLeave = (event: Event): void => _inhibitDefault(event);
 
-    this.onDrop = (event: any): void => {
+    const onDrop = (event: any): void => {
 
         if (event.dataTransfer && event.dataTransfer.files.length)
-            Object.keys(event.dataTransfer.files).map(fileKey => this.sendFile(event.dataTransfer.files[fileKey]));
+            Object.keys(event.dataTransfer.files).map(fileKey => sendFile(event.dataTransfer.files[fileKey]));
 
-        this._routineEventResponse(event);
+        _inhibitDefault(event);
 
     };
 
-    this.onKeyDown = (event: any): Boolean | null => {
+    /**
+     *
+     * @param event
+     * @returns {KeyboardEvent}
+     */
+    const onKeyDown = (event: KeyboardEvent): Boolean | null => {
 
-        // ASCII code references:
-        const TAB_KEY: number         = 9,
-              SELECTION_START: number = this.editor.selectionStart;
+        // `Tab` for indentation, `d` for duplication.
+        if (event.key !== 'Tab' && event.key !== 'd') return null;
 
-        if (event.keyCode !== TAB_KEY) return null;
+        _inhibitDefault(event);
 
-        event.preventDefault();
 
-        let handlerFunc = event.shiftKey && event.keyCode === TAB_KEY ? shiftTabKeyEvent : tabKeyEvent;
+        let handlerFunc = null;
 
-        this.editor.value = handlerFunc(
-              this.editor.selectionStart,
-              this.editor.selectionEnd,
-              this.editor.value
+        switch (event.key) {
+            case "Tab":  // For indentation.
+                // Shift pressed: un-indent, otherwise indent.
+                handlerFunc = event.shiftKey ? removeIndentation : applyIndentation;
+                break;
+
+            case "d":  // For duplication.
+                if (event.ctrlKey || event.metaKey) // Is CTRL or CMD (on Mac) pressed?
+                    handlerFunc = applyDuplication;
+                else
+                    return null;
+
+                break;
+
+            default:
+                return null
+        }
+
+        // Holding the start location before anything changes.
+        const SELECTION_START: number = properties.editor.selectionStart;
+
+        properties.editor.value = handlerFunc(
+              properties.editor.selectionStart,
+              properties.editor.selectionEnd,
+              properties.editor.value
         );
 
-        this._markdownify();
+        _markdownify();
 
-        this.editor.focus();
+        properties.editor.focus();
 
-        this.editor.selectionEnd = this.editor.selectionStart = SELECTION_START;
+        // Set the cursor location to the start location of the selection.
+        properties.editor.selectionEnd = properties.editor.selectionStart = SELECTION_START;
 
         return false
 
@@ -194,14 +314,13 @@ const MarkdownX = function (editor: HTMLTextAreaElement, preview: Element) {
     /**
      *
      * @param file
-     * @returns {Request}
      */
-    this.sendFile = (file: File): Request => {
+    const sendFile = (file: File) => {
 
-        this.editor.style.opacity = "0.3";
+        properties.editor.style.opacity = "0.3";
 
         const xhr = new Request(
-              this.editor.getAttribute(UPLOAD_URL_ATTRIBUTE),  // URL
+              properties.editor.getAttribute(UPLOAD_URL_ATTRIBUTE),  // URL
               preparePostData({image: file})  // Data
         );
 
@@ -211,13 +330,13 @@ const MarkdownX = function (editor: HTMLTextAreaElement, preview: Element) {
 
             if (response.image_code) {
 
-                this.insertImage(response.image_code);
+                insertImage(response.image_code);
                 triggerCustomEvent('markdownx.fileUploadEnd', [response])
 
             } else if (response.image_path) {
 
                 // ToDo: Deprecate.
-                this.insertImage(`![]("${response.image_path}")`);
+                insertImage(`![]("${response.image_path}")`);
                 triggerCustomEvent('markdownx.fileUploadEnd', [response])
 
             } else {
@@ -227,14 +346,14 @@ const MarkdownX = function (editor: HTMLTextAreaElement, preview: Element) {
 
             }
 
-            this.preview.innerHTML    = this.response;
-            this.editor.style.opacity = "1";
+            properties.preview.innerHTML    = this.response;
+            properties.editor.style.opacity = "1";
 
         };
 
         xhr.error = (response: string): void => {
 
-            this.editor.style.opacity = "1";
+            properties.editor.style.opacity = "1";
             console.error(response);
             triggerCustomEvent('fileUploadError', [response])
 
@@ -246,18 +365,17 @@ const MarkdownX = function (editor: HTMLTextAreaElement, preview: Element) {
 
     /**
      *
-     * @returns {Request}
      */
-    this.getMarkdown = (): Request => {
+    const getMarkdown = () => {
 
         const xhr = new Request(
-              this.editor.getAttribute(PROCESSING_URL_ATTRIBUTE),  // URL
-              preparePostData({content: this.editor.value})  // Data
+              properties.editor.getAttribute(PROCESSING_URL_ATTRIBUTE),  // URL
+              preparePostData({content: properties.editor.value})  // Data
         );
 
         xhr.success = (response: string): void => {
-            this.preview.innerHTML = response;
-            this.updateHeight();
+            properties.preview.innerHTML = response;
+            updateHeight();
             triggerCustomEvent('markdownx.update', [response])
         };
 
@@ -270,57 +388,23 @@ const MarkdownX = function (editor: HTMLTextAreaElement, preview: Element) {
 
     };
 
-    this.insertImage = (textToInsert): void => {
+    const insertImage = (textToInsert): void => {
 
-        let cursorPosition     = this.editor.selectionStart,
-              text             = this.editor.value,
+        let cursorPosition     = properties.editor.selectionStart,
+              text             = properties.editor.value,
               textBeforeCursor = text.substring(0, cursorPosition),
               textAfterCursor  = text.substring(cursorPosition, text.length);
 
-        this.editor.value          = `${textBeforeCursor}${textToInsert}${textAfterCursor}`;
-        this.editor.selectionStart = cursorPosition + textToInsert.length;
-        this.editor.selectionEnd   = cursorPosition + textToInsert.length;
+        properties.editor.value          = `${textBeforeCursor}${textToInsert}${textAfterCursor}`;
+        properties.editor.selectionStart = cursorPosition + textToInsert.length;
+        properties.editor.selectionEnd   = cursorPosition + textToInsert.length;
 
-        triggerEvent(this.editor, 'keyup');
-        this.inputChanged();
+        triggerEvent(properties.editor, 'keyup');
+        inputChanged();
 
     };
 
-    // Events
-    // ----------------------------------------------------------------------------------------------
-    let documentListeners = {
-                // ToDo: Deprecate.
-                object: document,
-                listeners: [
-                    { type: 'drop'     , capture: false, listener: this.onHtmlEvents },
-                    { type: 'dragover' , capture: false, listener: this.onHtmlEvents },
-                    { type: 'dragenter', capture: false, listener: this.onHtmlEvents },
-                    { type: 'dragleave', capture: false, listener: this.onHtmlEvents }
-                ]
-        },
-        editorListeners = {
-            object: this.editor,
-            listeners: [
-                { type: 'drop',             capture: false, listener: this.onDrop       },
-                { type: 'input',            capture: true , listener: this.inputChanged },
-                { type: 'keydown',          capture: true , listener: this.onKeyDown    },
-                { type: 'dragover',         capture: false, listener: this.onDragEnter  },
-                { type: 'dragenter',        capture: false, listener: this.onDragEnter  },
-                { type: 'dragleave',        capture: false, listener: this.onDragLeave  },
-                { type: 'compositionstart', capture: true , listener: this.onKeyDown    }
-            ]
-        };
-
-    // Initialise
-    // ----------------------------------------------------------------------------------------------
-
-    mountEvents(editorListeners);
-    mountEvents(documentListeners);  // ToDo: Deprecate.
-    triggerCustomEvent('markdownx.init');
-    this.editor.style.transition       = "opacity 1s ease";
-    this.editor.style.webkitTransition = "opacity 1s ease";
-    this.getMarkdown();
-    this.inputChanged()
+    _initialize();
 
 };