Hi,

this erratum should be rejected. It is a substantial technical change of the
spec, and section 9.9.2 doesn't indicate any possibility of using deref().

Lada

On Wed, 2019-01-30 at 02:35 -0800, RFC Errata System wrote:
> The following errata report has been submitted for RFC7950,
> "The YANG 1.1 Data Modeling Language".
> 
> --------------------------------------
> You may review the report below and at:
> http://www.rfc-editor.org/errata/eid5617
> 
> --------------------------------------
> Type: Technical
> Reported by: Marek Michalak, Pawel Koch <[email protected]>
> 
> Section: 14
> 
> Original Text
> -------------
> path-arg            = absolute-path / relative-path
> 
> Corrected Text
> --------------
> path-arg            = deref-expr / path-str
> 
> deref-expr          = deref-function-invocation *WSP "/" *WSP 
>                       relative-path
> 
> path-str            = absolute-path / relative-path
> 
> deref-function-invocation = deref-keyword *WSP
>                             "(" *WSP path-str *WSP ")"
> 
> deref-keyword       = %s"deref"
> 
> Notes
> -----
> This is to allow path statement to contain also "deref" function invocation
> which is supported by pyang and Cisco compiler but for now is not supported by
> i.e. yanglint validator because of above statement which does not allow for
> it.
> 
> Instructions:
> -------------
> This erratum is currently posted as "Reported". If necessary, please
> use "Reply All" to discuss whether it should be verified or
> rejected. When a decision is reached, the verifying party  
> can log in to change the status and edit the report, if necessary. 
> 
> --------------------------------------
> RFC7950 (draft-ietf-netmod-rfc6020bis-14)
> --------------------------------------
> Title               : The YANG 1.1 Data Modeling Language
> Publication Date    : August 2016
> Author(s)           : M. Bjorklund, Ed.
> Category            : PROPOSED STANDARD
> Source              : Network Modeling
> Area                : Operations and Management
> Stream              : IETF
> Verifying Party     : IESG
> 
> _______________________________________________
> netmod mailing list
> [email protected]
> https://www.ietf.org/mailman/listinfo/netmod
-- 
Ladislav Lhotka
Head, CZ.NIC Labs
PGP Key ID: 0xB8F92B08A9F76C67

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