Don’t call me DOM

I inquired earlier today if there was a way to give focus to an HTML form field through a simple link.

The reason of my inquiry was that WCAG 2.0 recommends to make it possible for the user [to] easily navigate to [detected form submission errors] to fix the problem.

But in practice, with the following HTML form:

<p><label for='email' id='emaillabel'>Email:</label>
<input type='text' id='email' name='email'></p>

neither a link to #email nor to #emaillabel will give focus to the input field.

For instance, it would be useful to be able to markup a possible error message above that form as follows:  Read more... (200 words, estimated 48 secs reading time)