> On 29 Jul 2015, at 17:02, Juergen Schoenwaelder > <j.schoenwael...@jacobs-university.de> wrote: > > On Wed, Jul 29, 2015 at 04:55:03PM +0200, Ladislav Lhotka wrote: >> >>> On 29 Jul 2015, at 16:44, Juergen Schoenwaelder >>> <j.schoenwael...@jacobs-university.de> wrote: >>> >>> On Wed, Jul 29, 2015 at 04:38:41PM +0200, Ladislav Lhotka wrote: >>>> >>>> The first part about parser behaviour still doesn’t make much sense to me >>>> and may be misinterpreted. I think that even a parser that does understand >>>> an extension may ignore it. It all depends on what the parser output is >>>> used for. >>>> >>> >>> Oh boy - very high level of nitpicking. >>> >>>> I would just say (somewhere) that descriptions and extensions are integral >>>> and binding parts of the data model. Unless I missed something, it is not >>>> clearly stated for descriptions either. >>> >>> I tried to say so. Looking forward to your improved proposal. >>> >> >> OK, here it is: >> >> Sec. 7.21.3 >> ----------- >> >> Add this paragraph at the end: >> >> Constraints and rules stated in the text of a “description” statement are an >> integral and binding part of the data model. >> >> Sec. 6.3.1 >> ---------- >> >> OLD >> >> If a YANG compiler does not support a particular extension, which appears in >> a YANG module as an unknown-statement (see Section 13), the entire >> unknown-statement MAY be ignored by the compiler. >> >> NEW >> >> Extensions and their semantics as defined by the corresponding “extension” >> statement are an integral and binding part of the data model. >> > > Well, this leaves it open whether a tool can skip over extension > statements. I liked to have the difference explained…
Martin just said that tools normally skip extensions that are not directed to them. Tools can do whatever they are designed to do, and skip over ANY parts that are not important for the given task. Lada > > /js > > -- > Juergen Schoenwaelder Jacobs University Bremen gGmbH > Phone: +49 421 200 3587 Campus Ring 1 | 28759 Bremen | Germany > Fax: +49 421 200 3103 <http://www.jacobs-university.de/> -- Ladislav Lhotka, CZ.NIC Labs PGP Key ID: E74E8C0C _______________________________________________ netmod mailing list netmod@ietf.org https://www.ietf.org/mailman/listinfo/netmod
