Hi Hannes,

> On Dec 7, 2023, at 4:38 AM, Hannes Gredler 
> <[email protected]> wrote:
> 
> We have used similar textblocks for the OSPFv2 and OSPFv3 SR extensions and I 
> am not aware
> of any questions from implementators around ambiguity.

Thanks for the pointer, I’ll take a look at those, too.

> IMO there is clear enough language to describe proper encoding of the 
> prefix-SID subTLV and
> I am not sure why an "erratum" is required.

I agree that, after reconsidering the text in light of Les’s reply, it’s not a 
technical error (or “bug” as I put it in the subject line). However, offline 
feedback from a couple of other experienced protocol implementors indicates to 
me that I’m not the only one who finds the presentation of the information to 
be unclear [1] and not as helpful as it could be to someone using the document 
as a reference instead of doing an in-depth read-through.

BTW if there’s some nuance to the quotation marks you used around “erratum” I’m 
missing it. Errata are a normal part of our process, and erratum is just the 
singular of errata. [2]

Thanks,

—John

[1] This quote doesn’t quite apply, but it’s a humorous way of illustrating 
that information can be provided without being made available as clearly as it 
could be. 
http://hitchhikerguidetothegalaxy.blogspot.com/2006/04/beware-of-leopard-douglas-adams-quote.html

[2] https://www.rfc-editor.org/errata-definitions/
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