Why is “​” being injected into my HTML?

Question

EDIT: You can see the issue here (look in source).

EDIT2: Interesting, it is not an issue in source. Only with the console (Firebug as well).

I have

Answer 1

I have experienced this in a major project I was working on.

The trick is to just:

• copy the whole code into notepad.

• save it as a text file.

• close the file. open it again and copy your code back into your IDE
  environment.

and its voilà, it's gone.!

Answer 2

I cannot find where it's being injected on my page. I'll investigate it more later, but for now, I just threw this in my page so I can keep working.

$(function(){
    $('body').contents().eq(0).each(function(){
        if(this.nodeName.toString()=='#text' && this.data.trim().charCodeAt(0)==8203){
            $(this).remove();
        }
    });
});