diff --git a/src/js/codemirror/continuelist.js b/src/js/codemirror/continuelist.js
new file mode 100644
index 0000000..df5179f
--- /dev/null
+++ b/src/js/codemirror/continuelist.js
@@ -0,0 +1,51 @@
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: http://codemirror.net/LICENSE
+
+(function(mod) {
+  if (typeof exports == "object" && typeof module == "object") // CommonJS
+    mod(require("../../lib/codemirror"));
+  else if (typeof define == "function" && define.amd) // AMD
+    define(["../../lib/codemirror"], mod);
+  else // Plain browser env
+    mod(CodeMirror);
+})(function(CodeMirror) {
+  "use strict";
+
+  var listRE = /^(\s*)(>[> ]*|[*+-]\s|(\d+)([.)]))(\s*)/,
+      emptyListRE = /^(\s*)(>[> ]*|[*+-]|(\d+)[.)])(\s*)$/,
+      unorderedListRE = /[*+-]\s/;
+
+  CodeMirror.commands.newlineAndIndentContinueMarkdownList = function(cm) {
+    if (cm.getOption("disableInput")) return CodeMirror.Pass;
+    var ranges = cm.listSelections(), replacements = [];
+    for (var i = 0; i < ranges.length; i++) {
+      var pos = ranges[i].head;
+      var eolState = cm.getStateAfter(pos.line);
+      var inList = eolState.list !== false;
+      var inQuote = eolState.quote !== 0;
+
+      var line = cm.getLine(pos.line), match = listRE.exec(line);
+      if (!ranges[i].empty() || (!inList && !inQuote) || !match) {
+        cm.execCommand("newlineAndIndent");
+        return;
+      }
+      if (emptyListRE.test(line)) {
+        cm.replaceRange("", {
+          line: pos.line, ch: 0
+        }, {
+          line: pos.line, ch: pos.ch + 1
+        });
+        replacements[i] = "\n";
+      } else {
+        var indent = match[1], after = match[5];
+        var bullet = unorderedListRE.test(match[2]) || match[2].indexOf(">") >= 0
+          ? match[2]
+          : (parseInt(match[3], 10) + 1) + match[4];
+
+        replacements[i] = "\n" + indent + bullet + after;
+      }
+    }
+
+    cm.replaceSelections(replacements);
+  };
+});
diff --git a/src/js/simplemde.js b/src/js/simplemde.js
index cb639e5..20938f5 100644
--- a/src/js/simplemde.js
+++ b/src/js/simplemde.js
@@ -761,6 +761,9 @@ function SimpleMDE(options) {
 		}
 	}
 
+	// Set default options for parsing config
+	options.parsingConfig = options.parsingConfig || {};
+
 	// Update this options
 	this.options = options;
 
@@ -824,8 +827,8 @@ SimpleMDE.prototype.render = function(el) {
 	}
 
 	keyMaps["Enter"] = "newlineAndIndentContinueMarkdownList";
-	keyMaps["Tab"] = "tabAndIndentContinueMarkdownList";
-	keyMaps["Shift-Tab"] = "shiftTabAndIndentContinueMarkdownList";
+	keyMaps["Tab"] = "tabAndIndentMarkdownList";
+	keyMaps["Shift-Tab"] = "shiftTabAndUnindentMarkdownList";
 	keyMaps["F11"] = function(cm) {
 		toggleFullScreen(self);
 	};
@@ -836,18 +839,21 @@ SimpleMDE.prototype.render = function(el) {
 		if(cm.getOption("fullScreen")) cm.setOption("fullScreen", false);
 	};
 
-	var mode = "spell-checker";
-	var backdrop = "gfm";
-
-	if(options.spellChecker === false) {
-		mode = "gfm";
-		backdrop = undefined;
+	var mode, backdrop;
+	if(options.spellChecker !== false) {
+		mode = "spell-checker";
+		backdrop = options.parsingConfig;
+		backdrop.name = "gfm";
+		backdrop.gitHubSpice = false;
+	} else {
+		mode = options.parsingConfig;
+		mode.name = "gfm";
+		mode.gitHubSpice = false;
 	}
 
 	this.codemirror = CodeMirror.fromTextArea(el, {
 		mode: mode,
 		backdrop: backdrop,
-		theme: 'paper',
 		tabSize: (options.tabSize != undefined) ? options.tabSize : 2,
 		indentUnit: (options.tabSize != undefined) ? options.tabSize : 2,
 		indentWithTabs: (options.indentWithTabs === false) ? false : true,