xmlns="urn:ietf:params:xml:ns:yang:yin:1"

        xmlns:error-substatement2-identity_mod="urn:error-substatement2-identity">

  <yang-version value="1.1"/>

  <namespace uri="urn:error-substatement2-identity"/>

  <prefix value="error-substatement2-identity_mod"/>

  <feature name="feat1"/>

  <identity name="ident1">

    <if-feature name="feat1">

      <text>this is an error substatement about if-feature..</text>

    </if-feature>

  </identity>

</module>