list.sort(cmpfunc) question

[Fredrik Lundh]

Joshua Marshall wrote:
> What does "should" mean, in the context of RFCs?

usually something like:

     - MUST

       This word or the adjective "REQUIRED" means that the item is an
       absolute requirement of the specification.

     - SHOULD

       This word or the adjective "RECOMMENDED" means that there might
       exist valid reasons in particular circumstances to ignore this
       item, but the full implications should be understood and the case
       carefully weighed before taking a different course.

     - MAY

       This word or the adjective "OPTIONAL" means that this item is
       truly optional.  One vendor might choose to include the item
       because a particular marketplace requires it or because it
       enhances the product, for example; another vendor may omit the
       same item.

in other words, "recommended but not required"

Cheers /F