On 6 Feb 2005 23:15:58 GMT, Andrzej Bursztynski wrote:

> Michal Jankowski wrote:
>> Właściwie to sam nie wiem. W RFC 1341 jest "should", w RFC 1521 jest
>> "must".
>>
>> Ale w RFC 2046 znowu jest "should"...
>
> Zasadniczo z punktu widzenia amerykańskiego różnicy nie ma żadnej między
> tymi dwoma słowami...

Ale z punktu widzenia RFC jest. RFC 2119:

1. MUST This word, or the terms "REQUIRED" or "SHALL", mean that the
definition is an absolute requirement of the specification.

2. MUST NOT This phrase, or the phrase "SHALL NOT", mean that the
definition is an absolute prohibition of the specification.

3. SHOULD This word, or the adjective "RECOMMENDED", mean that there
may exist valid reasons in particular circumstances to ignore a
particular item, but the full implications must be understood and
carefully weighed before choosing a different course.

Dość zasadnicza różnica.
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