When javascript is disabled and the link label is the same as the link we get the following result :
<a id="XXXXXXX" class="simple"> nom.prenom@domaine.com <span id="XXXXXX" style="display: none;"> (nom.prenom <span style="display: none;"> </span> @ <span style="display: none;"> </span> domaine.com) </span> </a>
It would be better to not display the link label and display (currently there is display: none) the email with the span