anchor.diff:                                  <c:choose>
                                       <c:when test="${!empty individual.name}"><c:set var="name" value="${individual.name}"/></c:when>
                                       <c:otherwise><c:set var="name" value="unlabeled ${param.roleActivityLabel} to person relation"/></c:otherwise>
  -                               </c:choose>                    
  -                               <c:set var="label" value="(no person linked yet)"/>
  -                               <c:set var="uri" value="${individual.URI}"/>
  +                               </c:choose>
  +                               <c:set var="name" value="unknown person"/>
  +                               <c:set var="label" value="${!empty individual.rdfsLabel ? individual.rdfsLabel : 'unlabled param.roleActivityLabel to person relation' }"/>                   
  +                               <c:set var="errorMsg" value="&nbsp;(unidentified person - please edit)"/>
  +                               <c:set var="uri" value=""/>
   					        </c:otherwise>
   					    </c:choose>
   					</c:when>
  
positive.code: 				    </c:otherwise>
  			    </c:choose>
  			    
  			    <%-- output the actual html --%>
  			    <c:choose>
  			    	<c:when test="${!empty uri}">
  			            <c:url var="olink" value="/entity"><c:param name="uri" value="${uri}"/></c:url>
  		                <a href="<c:out value="${olink}"/>">${name}</a>&nbsp;${label}&nbsp;${startYear}${endYear}
  		            </c:when>
  		            <c:otherwise>
  		                <p:process><strong>${name}</strong> ${label}</p:process> 
  		            </c:otherwise>
  		        </c:choose>
  		        
  
negative.code: 					            <c:set var="name"  value="${roleActivity.name}"/> 					            
  					            <%-- On the person page, it's redundant to display the role label in this case, since the object property
  					            label contains the same information. --%>
  					            <c:set var="label" value="${! empty param.roleLabelForPerson ? '' : (! empty individual.rdfsLabel ? individual.rdfsLabel: '')}" /> 					            					           
                                  <c:set var="uri" value="${roleActivity.URI}"/>                                                                
                              </c:when>
   				            <c:otherwise>
   				            <%-- This Role is not linked to anything yet; use name as a placeholder and 
   				                 add link to the Role so user can add more information. --%> 				                 				                     				                    
  								<c:set var="name" value="unknown"/>
   				                <c:set var="errorMsg" value="&nbsp;(unidentified activity - please edit)"/>
   				                <c:set var="label" value="${! empty individual.rdfsLabel ? individual.rdfsLabel:'unlabeled role'}"/>
                                  <c:set var="uri" value=""/>
  				            </c:otherwise>
  				        </c:choose>
  				    </c:when>
  