Re: SHOULD vs MUST case sensitivity

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Computer science long ago made the mistake of imposing semantic difference on case differences, which is distinct from other uses of case. Absent explicit specification of case sensitivity for the keywords, the rules of English writing
apply, I would think.
For better or worse, in IETF we have often intentionally made a distinction between SHOULD and should, MUST and must, and so forth. I don't think we should try to retroactively change the interpretation of existing RFCs that cite RFC 2119.

However, it strikes me that such distinctions might be lost when translating RFCs into languages that lack the notion of case, or for which upper cased words would not serve to convey a sense of emphasis or distinction. So it might be the case that a future update to RFC 2119 would include a section about translation of these keywords into other languages.

Keith

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