Zero Length Whitespaces are added in AlloyEditor while using IE11. This can be seen after adding an image and going to the code view. If they do not appear clicking on the image and using the left or right arrow keys back and forth should make them appear in the code view.
1. Go to blogs
2. Add an image in the content
3. Click the Code View
The code view should appear without any unfamiliar characters
The code view shows Zero Length Whitespaces