ietf-mta-filters
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Re: NULL vs. ""

2005-06-01 08:22:34


> On Mon, 2005-05-30 at 09:21 -0700, Ned Freed wrote:
>>>if anyof (header :is "Cc" "", not exists "Cc")
>>
>>This is actually clearer to read IMO, and is probably how I would code it if
>>I ever wanted such a test.

Indeed.  And so why don't we wrap up this too-long discussion this way?:
1. *Document* that string comparisons against headers MUST NOT match
absent headers.
2. *Document* that the preferred way to test for a header that is either
empty or absent is as Ned wrote above.
3. Move on.

+1.

                                Ned


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