shows "no" if no publication ID is present, instead of a dash which was breaking the table sort
shows "no" if no publication ID is present, instead of a dash which was breaking the table sort

theodi/panopticon,alphagov/panopticon,theodi/panopticon,alphagov/panopticon,theodi/panopticon,alphagov/panopticon,alphagov/panopticon,theodi/panopticon