I am not sure why I’m getting this validation error when running through the w3c check and hoping someone can help.
Errors found while checking this document as XHTML 1.0 Strict!
Reference to entity “pk_kwd” for which no system identifier could be generated
Line 354, Column 98: reference to entity “pk_kwd” for which no system identifier could be generated
<h2><span class="item">Text</span> <a class="url fn" href="/url.html?pk_campaign=Download&pk_kwd=Main"><br /><img src="/images/test.png" alt="photo" class="photo" /></a> </h2>