Identity

[John Cowan]

Ketil Z Malde wrote:

> Basically, I think this calls for a requirement that all CGIs and ASPs
> and what not be side-effect free.

That *is* supposed to be a rule: that you can GET the same URL
as many times as you want with no changes.  Otherwise caching
would not work.  I know that "hit counters" break this rule,
which is why they are meaningless in the presence of caching.
Changes are, according to the architecture, supposed to be
done only by other methods such as POST and PUT.

-- 
John Cowan	http://www.ccil.org/~cowan		cowan at ccil.org
	You tollerday donsk?  N.  You tolkatiff scowegian?  Nn.
	You spigotty anglease?  Nnn.  You phonio saxo?  Nnnn.
		Clear all so!  'Tis a Jute.... (Finnegans Wake 16.5)

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