anchor.diff:                      .col-lg-12.row.form-group
                           textarea.form-control(
                           name="comment"
  -                        type="text"
                           placeholder="Comments..."
                           ng-model="answer.new_ref_comment"
                           autocomplete="off")
  
positive.code:                         placeholder="Page number(s) (required)..."
                          ng-model="new_ref_location"
                          ng-pattern="numericRangePattern"
                          autocomplete="off")
                      .col-lg-2
  
  
negative.code:                             placeholder="Year published (required)..."
                              ng-model="new_document.year"
                              ng-pattern="yearPattern"
                              required
                              autocomplete="off")
  
                  // EXISTING DOC
  