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DATETIME  November 2010

DATETIME November 2010

Subject:

Re: Proposal to change unknown marker from 'u' to 'x'

From:

Bruce D'Arcus <[log in to unmask]>

Reply-To:

Discussion of the Developing Date/Time Standards <[log in to unmask]>

Date:

Mon, 22 Nov 2010 13:48:33 -0500

Content-Type:

text/plain

Parts/Attachments:

Parts/Attachments

text/plain (77 lines)

On Mon, Nov 22, 2010 at 1:46 PM, Simon Grant <[log in to unmask]> wrote:
> +1

And another +1.

> Simon
>
> On 22 November 2010 18:30, Jakob Voss <[log in to unmask]> wrote:
>>
>> Hi,
>>
>>
>> In the current draft "The character 'u', used to mean "unknown",
>> replaces a single character and signifies that the value of that
>> character is unknown." Is this based on an ad-hoc decision or on
>> practical use cases? I have never seen anyone using the character 'u' to
>> mark unknown parts of a date. But I regularly see the use of character
>> 'x' or 'X' for this purpose. So hereby I propose to change the character
>> 'u' to 'x'. In doubt, take a random set of people from the street and
>> ask them which variant looks more familiar to denote a date that is not
>> exactely known:
>>
>>
>> 199u
>> 1999-uu
>> 199901uu
>> 156u-12-25
>>
>>
>> or
>>
>>
>> 199x
>> 1999-xx
>> 199901xx
>> 156x-12-25
>>
>>
>> Wikipedia already uses this notation, which should be argument enough,
>> for instance:
>>
>>
>> http://en.wikipedia.org/w/index.php?title=19xx&redirect=no
>>
>>
>> Another argument is the cultural depence of 'u' for 'unknown', which is
>> bound to English language. In contrast 'x' for 'crossed out' is also
>> known by many non-English speakers.
>>
>>
>> The change does not influence other parts of the specification, so it
>> should be no big issue.
>>
>>
>> Cheers,
>> Jakob
>>
>>
>>
>>
>> --
>> Verbundzentrale des GBV (VZG)
>> Digitale Bibliothek - Jakob Voß
>> Platz der Goettinger Sieben 1
>> 37073 Goettingen - Germany
>> +49 (0)551 39-10242
>> http://www.gbv.de
>> [log in to unmask]
>
>
>
> --
> Simon Grant
> +44 7710031657
> http://www.simongrant.org/home.html
>

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