The following errata report has been held for document update 
for RFC7317, "A YANG Data Model for System Management". 

--------------------------------------
You may review the report below and at:
https://www.rfc-editor.org/errata/eid6245

--------------------------------------
Status: Held for Document Update
Type: Technical

Reported by: Maurizio Brigandi' <maurizio.briga...@sm-optics.com>
Date Reported: 2020-07-29
Held by: Rob Wilton (IESG)

Section: 6

Original Text
-------------
         leaf-list user-authentication-order {
           type identityref {
             base authentication-method;
           }
           must '(. != "sys:radius" or ../../radius/server)' 



Corrected Text
--------------
         leaf-list user-authentication-order {
           type identityref {
             base authentication-method;
           }
           must '(not(. = "sys:radius") or ../../radius/server)'
 

Notes
-----
As indicated in https://www.w3.org/TR/1999/REC-xpath-19991116/#booleans

the following expression comparing a node-set with a string

       . != "sys:radius"

is true if at least one node in the node-set satisfies the boolean expression.

This is not the intention of the "must" condition.

It is necessary to use not(. = "sys:radius") to achieve the right intention of 
the check.

This errata has been marked as "Held for Document Update" because it requires a 
new revision of the YANG module to be published, and hence a new RFC.

--------------------------------------
RFC7317 (draft-ietf-netmod-system-mgmt-16)
--------------------------------------
Title               : A YANG Data Model for System Management
Publication Date    : August 2014
Author(s)           : A. Bierman, M. Bjorklund
Category            : PROPOSED STANDARD
Source              : Network Modeling
Area                : Operations and Management
Stream              : IETF
Verifying Party     : IESG

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