anchor.diff:  
               .form-group(ng-if="items.length")
                   .row
  -                    .col-sm-5
  -                        button.btn.btn-sm.btn-danger(type="button", ng-click="remove()", ng-disabled="deleting.isEmpty()") Delete
  -                        button.btn.btn-sm.btn-default(type="button", ng-click="deleting.empty()", ng-disabled="deleting.isEmpty()") Reset
  -                        button.btn.btn-sm.btn-default(type="button", ng-click="verify()", ng-disabled="items.length<2") Verify
  -                    .col-sm-4.col-sm-offset-3
  +                    .col-sm-3
  +                        button.btn.btn-default.btn-sm(type="button", ng-click="verify()", ng-disabled="items.length<2") Verify
  +                    .col-sm-6.col-sm-offset-3
                           .input-group.input-group-sm
                               input.form-control(type="text", ng-model="url.$", ng-key-action="{27:'onEsc'}", on-esc="clrSearch()")
  -                            span.input-group-btn
  +                            span.input-group-btn.input-group-sm
                                   button.btn.btn-default(type="button", ng-disabled="hasSearch()", ng-click="clrSearch()"): i.fa.fa-times-circle
   
               .text-center(ng-if="!items.length && isLoading")
  
positive.code:             .form-group(ng-class="{'has-error':!form.toinput.$valid && !form.toinput.$pristine}")
                  label.col-sm-2.control-label(for="toinput") To
                  .col-sm-7
                      .input-group
                          input.form-control#toinput(type="text", placeholder="To", 
                              ng-model="item.to", required, ng-trim="true", name="toinput",
                              ng-pattern="path")
  
negative.code: 
              .form-group
                  .col-sm-offset-2.col-sm-10
                      button.btn.btn-primary.btn-sm(type="button", ng-if="isEdit", ng-disabled="form.$invalid || form.$pristine", ng-click="update()") Update
                      button.btn.btn-primary.btn-sm(type="button", ng-if="!isEdit", ng-disabled="form.$invalid || form.$pristine", ng-click="create()") Create
                      button.btn.btn-default.btn-sm(type="button", ng-click="reset()") Reset
  