anchor.diff:                                  no-results-text="'This does not match any valid question identifier'"
                                   name="skip-pattern"
                                   ng-model="option.next_question"
  -                                ng-options="q.identifier as q.question_identifier + ': ' + q.text for q in questionsAfter(question) track by q.question_identifier"
  +                                ng-options="q.question_identifier as q.question_identifier + ': ' + q.text for q in questionsAfter(question)"
                                 >
                                 </select>
                               </div>
  
positive.code:                               chosen
                                width="'500px'"
                                class="select2-container select-block-level"
                                data-placeholder="Select a question type..."
                                no-results-text="'This does not match any valid question type'"
                                name="follow-up"
                                ng-model="question.following_up_question_identifier"
                                ng-options="q.identifier as q.question_identifier + ': ' + q.text for q in questionsBefore(question) track by q.question_identifier"
                              >
                              </select>
                            </div>
  
negative.code:                         </fieldset>
                        </form>
                      </div>
                      <div class="tab-logic tab-pane">
                        <fieldset ng-show="!$first">
                          <legend class="section">
                            Follow-up Question
  