Merge pull request #268 from anilmaurya/master

Fix Uploading high quality image #267

Author: linkesch

src/js/core.js

@@ -177,15 +177,10 @@
      */
 
     Core.prototype.editorUpdatePlaceholder = function (el) {
-        var $clone = $(el).clone(),
-            cloneHtml;
+        var contents = $(el).children()
+            .not('.medium-insert-buttons').contents();
 
-        $clone.find('.medium-insert-buttons').remove();
-        cloneHtml = $clone.html()
-            .replace(/^\s+|\s+$/g, '')
-            .replace(/^<p( class="medium-insert-active")?><br><\/p>$/, '');
-
-        if (!(el.querySelector('img, blockquote')) && cloneHtml === '') {
+        if (contents.length === 1 && contents[0].nodeName.toLowerCase() === 'br') {
             this.showPlaceholder(el);
             this.base._hideInsertButtons($(el));
         } else {