Re: [Lager] Stephen Farrell's Discuss on draft-ietf-lager-specification-11: (with DISCUSS and COMMENT)

["Asmus Freytag (c)" <[e-mail]>]

On 4/23/2016 4:58 AM, Stephen Farrell wrote:
>>> >>(1) section 5: this says code points MUST be 4 hex digits.
>>> >>What is s/w supposed to do if it sees only 2 hex digits?
>>> >>Should it ignore the range or char element or fail to process
>>> >>the entire LGR document?
>> >
>> >I don't mind clarifying this, but in general it means that the whole
>> >document is syntactically invalid and thus must be ignored.
> That's a fine answer.

One would expect the schema validator to catch such issues,
>
>> >
>> >I don't think it is very common for IETF documents to specify error
>> >handling when a MUST is violated, but of course it is not prohibited.
> Well, in this case the error might only affect checking some labels
> and not others, so I guess folks may be tempted to use the rest of
> the LGR if the spec doesn't say to fail to load the LGR on such errors.
>

There's no reason to be permissive in this way. The LGR is supposed to 
describe a definite disposition for any label.

A./