Re: [Fwd: Re: YAML ain't a superset of JSON]

On Mon, 2009-06-08 at 11:53 +0200, Douglas Mayle wrote:
> I'd also like to point out that, as per RFC 2119, SHOULD in an RFC  
> means:
> 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.
> To my reading, for this instance, that means that parsers should not  
> reject non-unique key names as invalid JSON, but that supporting them  
> isn't part of the spec either.  If you need to create a matched pair  
> (parser and generator) that supports non-unique key names (e.g.  
> serializing HTML forms), than go ahead so long as you understand that  
> your JSON won't be supported consistently by any other parser...

By the same token, the fact that parsers SHOULD not reject non-unique
key names does not prevent them from doing so due to "valid reasons in
particular circumstances" - e.g., being a YAML parser :-)

Have fun,

	Oren Ben-Kiki


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