anchor.diff:                    | !Email address
                   span.form-row__validation.clj--sign-in-email__validation(data-l8n="content:index/sign-in-email-address-invalid-validation-message")
                     | !Enter a valid email address
  -              input.form-row__input.clj--email__input.func--email__input(type="email", id="email", name="email")
  +              input.form-row__input.clj--sign-in-email__input.func--sign-in-email__input(type="email", id="email", name="email")
               p.form-row.clj--sign-in-password
                 label.form-row__label(for="password")
                   span.form-row__title(data-l8n="content:index/sign-in-password")
  
positive.code:         e.preventDefault();
          var formAction = form.getAttribute('action') + "?";
          window.location = formAction;
        });
  
negative.code:           h2.page-title.visuallyhidden(data-l8n="content:index/sign-in-header")
              | !Sign in
            form.login-form.form-box.clj--sign-in__form(action="authorise", method="post", role="form")
              .validation-summary.clj--sign-in-validation-summary
                .validation-summary__title
                ul.validation-summary__list
                  li.validation-summary__item.clj--sign-in-validation-summary__item(data-l8n="content:index/sign-in-invalid-credentials-validation-message")
                    | !Invalid email address or password
              p.form-row.clj--sign-in-email
                label.form-row__label(for="email")
  