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Re: bug in is_numeric [message #181490 is a reply to message #181487] Sun, 19 May 2013 02:22 Go to previous messageGo to previous message
Denis McMahon is currently offline  Denis McMahon
Messages: 634
Registered: September 2010
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Senior Member
On Sat, 18 May 2013 19:21:54 -0400, Jerry Stuckle wrote:

> On 5/18/2013 5:58 PM, Denis McMahon wrote:
>> On Sat, 18 May 2013 14:32:53 -0400, Jerry Stuckle wrote:
>>
>>> But no matter what the original name was - TODAY'S use is what counts.
>>> It is a threaded discussion group, and threads exist for a reason.
>>
>> Technically threading is a client feature by virtue of how client
>> software uses and displays the references and in-reply-to headers on
>> the individual messages.
>>
>> As neither of those headers is mandatory in newsgroup messages, the
>> newsgroup as such, technically, is not in and of itself threaded,
>> rather it is a group in which threaded discussions may be posted.

> Nope. RFC1036 defines the "References" header used to refer to a
> previous message. It is a part of the Use net protocol.

As I said, the header is not mandatory - I'm not discussing whether it's
part of the protocol, it clearly is, but it is not mandatory for every
post to have a references header[1].

Nor is it mandatory for any client to pay any attention to such a header
if present[2].

[1] A "new post" (as opposed to a "follow-up" or "reply") does not
usually have a references header, as it does not usually reference a
prior message.

[2] Although IMO it would be a pretty crap news client that didn't.

--
Denis McMahon, denismfmcmahon(at)gmail(dot)com
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