void HTMLElementImpl::removeMappedAttributeDecl(MappedAttributeEntry entryType, NodeImpl::Id attrName, const AtomicString& attrValue)
{
    if (!m_mappedAttributeDecls)
        return;
    
    QPtrDict<QPtrDict<CSSMappedAttributeDeclarationImpl> >* attrNameDict = m_mappedAttributeDecls->find((void*)entryType);
    if (!attrNameDict)
        return;
    QPtrDict<CSSMappedAttributeDeclarationImpl>* attrValueDict = attrNameDict->find((void*)attrName);
    if (!attrValueDict)
        return;
    attrValueDict->remove(attrValue.implementation());
}