module yang-smi {

      yang-version 1;

      namespace "urn:ietf:params:xml:ns:yang:yang-smi";

      prefix "smi";

      organization "YANG Language Design Team";

      contact
         "Martin Bjorklund (Editor) <mbj@tail-f.com>";

      description
         "This module contains extensions for dealing with 
         SMIv2 modules.";

      revision "2008-03-20" {
         description "Initial revision.";
      }


      extension oid {
         argument "oid" {
            yin-element "false" {
         }
         description
            "OBJECT IDENTIFIER value assigned to a particular node.";
      }

      extension display-hint {
         argument "hint" {
            yin-element "false" {
         }
         description
            "DISPLAY-HINT value provided in a TEXTUAL-CONVENTION macro.";
      }

      extension default {
         argument "default" {
            yin-element "false" {
         }
         description
            "DEFVAL value provided in an OBJECT-TYPE macro.";
      }
   }  // module yang-smi