if (displayName == null) {
if (other.displayName != null)
return false;
} else if (!displayName.equals(other.displayName))
return false;
<BUG>if (line != other.line)
return false;</BUG>
if (projectName == null) {
if (other.projectName != null)
return false;

if (displayName == null) {
if (other.displayName != null)
return false;
} else if (!displayName.equals(other.displayName))
return false;
if (projectName == null) {
if (other.projectName != null)
return false;
