A bit off topic, but I'm going to rant here anyway.<p>I filed using the Free Fillable Forms. They got rejected with an XML validation error. OK, I'm a programmer, I can (and did) figure it out from that. But most people aren't. Imagine that your grandmother is filing her taxes, and gets an XML validation error. What is an XML validation error going to mean to her?<p>Now, they've got a handy Web tool that you can paste the error message in, and it will tell you what's wrong. But why should you have to? When they email you that your submission failed, why don't <i>they</i> run the error message through that tool, and mail you the results?