anchor.diff:              .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-group.input-group-sm
                           input.form-control#toinput(type="text", placeholder="To", 
                               ng-model="item.to", required, ng-trim="true", name="toinput",
                               ng-pattern="path")
  
positive.code:             table.table.table-striped(ng-if="items.length")
                  thead
                      tr
                          th.col-sm-1: a(href="", ng-click="deleting.empty()", ng-hide="deleting.isEmpty()")
                              i.fa.fa-fw.fa-times-circle
                              | ({{deleting.howMany()|number}})
                          th.col-sm-5
                              | From&nbsp;
                              a(href="", ng-click="order.by('from')")
  
negative.code:             .form-group(ng-class="{'has-error':!form.from.$valid && !form.from.$pristine}")
                  label.col-sm-2.control-label(for="from") From
                  .col-sm-7
                      .input-group.input-group-sm
                          input.form-control#from(type="text", placeholder="From", 
                              ng-model="item.from", name="from", required, ng-trim="false",
                              ng-pattern="path")
  