Exactly. A good example is found in the thread I mentioned at the beginning of this discussion where I noticed this problem for the first time. Have a look at this post. It's been edited many times. If you scroll all the way to the bottom of the post, you will notice the Other sources section. The last link in that section has two empty spaces and is clickable. You might think everything is ok until you see the code. OP used a hyperlink to make the link clickable. Here is how it looks: