includes/additionaldomainfields.php
busca el comentario del //.es y cambialo por esto:
Código PHP:
Ver original// .ES
/*$additionaldomainfields[".es"][] = array("Name" => "DNI/CIF", "LangVar" => "estldidformtype", "Type" => "dropdown", "Options" => "Other Identification,Tax Identification Number,Tax Identification Code,Foreigner Identification Number", "Default" => "Other Identification",);*/
$additionaldomainfields[".es"][] = array("Name" => "DNI/CIF", "LangVar" => "estldidformnum", "Type" => "text", "Size" => "30", "Default" => "", "Required" => true,);
A mi por lo menos me sirve ;)