For those unaware of the RFC 2119 definition: SHOULD NOT This phrase, or the phrase "NOT RECOMMENDED" mean that there may exist valid reasons in partic

For those unaware of the RFC 2119 definition: SHOULD NOT This phrase, or the phrase "NOT RECOMMENDED" mean that there may exist valid reasons in particular circumstances when the particular behavior is acceptable or even useful, but the full implications should be understood and the case carefully weighed before implementing any behavior described with this label.