small fix

debug/simplemde.css

@@ -212,9 +212,6 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;}
   display: inline-block;
   vertical-align: top;
   margin-bottom: -30px;
-  /* Hack to make IE7 behave */
-  *zoom:1;
-  *display:inline;
 }
 .CodeMirror-gutter-wrapper {
   position: absolute;
@@ -232,11 +229,8 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;}
   cursor: default;
   z-index: 4;
 }
-.CodeMirror-gutter-wrapper {
-  -webkit-user-select: none;
-  -moz-user-select: none;
-  user-select: none;
-}
+.CodeMirror-gutter-wrapper ::selection { background-color: transparent }
+.CodeMirror-gutter-wrapper ::-moz-selection { background-color: transparent }
 
 .CodeMirror-lines {
   cursor: text;
@@ -258,8 +252,8 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;}
   position: relative;
   overflow: visible;
   -webkit-tap-highlight-color: transparent;
-  -webkit-font-variant-ligatures: none;
-  font-variant-ligatures: none;
+  -webkit-font-variant-ligatures: contextual;
+  font-variant-ligatures: contextual;
 }
 .CodeMirror-wrap pre {
   word-wrap: break-word;
@@ -281,6 +275,8 @@ div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;}
 
 .CodeMirror-widget {}
 
+.CodeMirror-rtl pre { direction: rtl; }
+
 .CodeMirror-code {
   outline: none;
 }
@@ -333,9 +329,6 @@ div.CodeMirror-dragcursors {
   background: rgba(255, 255, 0, .4);
 }
 
-/* IE7 hack to prevent it from returning funny offsetTops on the spans */
-.CodeMirror span { *vertical-align: text-bottom; }
-
 /* Used to force a border model for a node */
 .cm-force-border { padding-right: .1px; }
 
@@ -353,6 +346,7 @@ div.CodeMirror-dragcursors {
 span.CodeMirror-selectedtext { background: none; }
 
 .CodeMirror {
+    box-sizing: border-box;
     height: auto;
     border: 1px solid #ddd;
     border-bottom-left-radius: 4px;
@@ -360,6 +354,7 @@ span.CodeMirror-selectedtext { background: none; }
     padding: 10px;
     font: inherit;
     z-index: 1;
+    word-wrap: break-word;
 }
 
 .CodeMirror-fullscreen {
@@ -466,7 +461,9 @@ span.CodeMirror-selectedtext { background: none; }
     padding: 0;
 }
 
-.editor-toolbar a {
+.editor-toolbar a,
+.editor-toolbar button {
+    background: transparent;
     display: inline-block;
     text-align: center;
     text-decoration: none!important;
@@ -474,18 +471,22 @@ span.CodeMirror-selectedtext { background: none; }
     width: 30px;
     height: 30px;
     margin: 0;
+    padding: 0;
     border: 1px solid transparent;
     border-radius: 3px;
     cursor: pointer;
 }
 
 .editor-toolbar a.active,
-.editor-toolbar a:hover {
+.editor-toolbar a:hover,
+.editor-toolbar button.active,
+.editor-toolbar button:hover {
     background: #fcfcfc;
     border-color: #95a5a6;
 }
 
-.editor-toolbar a:before {
+.editor-toolbar a:before,
+.editor-toolbar button:before {
     line-height: 30px
 }
 
@@ -592,6 +593,7 @@ span.CodeMirror-selectedtext { background: none; }
     display: none;
     box-sizing: border-box;
     border: 1px solid #ddd;
+    word-wrap: break-word;
 }
 
 .editor-preview-active-side {

src/css/simplemde.css

@@ -331,4 +331,4 @@
 
 .CodeMirror .CodeMirror-placeholder {
     opacity: .5;
-}
+}

src/js/simplemde.js

@@ -96,7 +96,7 @@ function fixShortcut(name) {
  */
 function createIcon(options, enableTooltips, shortcuts) {
 	options = options || {};
-	var el = document.createElement("button");
+	var el = document.createElement("a");
 	enableTooltips = (enableTooltips == undefined) ? true : enableTooltips;
 
 	if(options.title && enableTooltips) {
@@ -619,7 +619,7 @@ function drawLink(editor) {
 	var options = editor.options;
 	var url = "http://";
 	if(options.drawLink) {
-		options.drawLink(__drawLink(editor));
+		options.drawLink();
 	} else {
 		if(options.promptURLs) {
 			url = prompt(options.promptTexts.link);
@@ -651,7 +651,7 @@ function drawImage(editor) {
 	var stat = getState(cm);
 	var options = editor.options;
 	if(options.drawImage) {
-		options.drawImage(__drawImage(editor));
+		options.drawImage();
 	} else {
 		var url = "http://";
 		if(options.promptURLs) {
@@ -2033,9 +2033,15 @@ SimpleMDE.prototype.cleanBlock = function() {
 SimpleMDE.prototype.drawLink = function() {
 	drawLink(this);
 };
+SimpleMDE.prototype.__drawLink = function(url) {
+	__drawLink(this)(url);
+};
 SimpleMDE.prototype.drawImage = function() {
 	drawImage(this);
 };
+SimpleMDE.prototype.__drawImage = function(url) {
+	__drawImage(this)(url);
+};
 SimpleMDE.prototype.drawTable = function() {
 	drawTable(this);
 };