[tei-council] <date>, <distance>, and <measure>

[Lou Burnard]

1. If we are getting rid of the substructure of <date>, then we're 
getting rid of all of it, so it makes no difference whether you 
represent old <distance> by <distance> or <measure>, it's still dead. 
The <offset> element in particular really really has to go.

2. As it happens, yes we do have a way of representing a choice of 
attributes in ODD. See 
http://www.tei-c.org/release/doc/tei-p5-doc/html/ref-attList.html. There 
is a (not very good) example at 27.3.3.3  and we use it on eg <gloss> 
and <relation>


Syd Bauman wrote:
>
>
> But perhaps this one is syntactic sugar sweet enough to keep. Here's
> an example.
>
>   <date>
>     <distance dur="P07D">A week</distance>
>     <offset>before</offset>
>     <date type="occasion">the meeting</date>
>   </date>
>
> (Note that "P07D" is the ISO & W3C format for a period of seven
> days.)
>
>   <date>
>     <measure commodity="time" unit="d" quantity="7">A week</measure>
>     <offset>before</offset>
>     <date type="occasion">the meeting</date>
>   </date>
>
> (Note that "d" is the symbol for "day" approved by CIPM for use with
> SI units.)
>
> <distance> is also used within <placeName> and <geogName> for the
> same kind of thing, but it does not have the right attributes to
> provide a regularized value. Thus I'm in favor of using <measure>
> instead of <distance> for <placeName> and <geogName>.
>
> If I had my druthers, I think I'd prefer to use dur= on <measure> in
> alternation with the other three attributes:
>
> element measure {
>    (
>      attribute dur { xsd:duration }?
>      |
>      (
>        attribute unit { data.enumerated }?,
>        attribute quantity { data.numeric }?,
>        attribute commodity { data.words }?,
>      )
>    ),
>    etc.
>  }
>  
> At the moment I don't think ODD processors can handle that sort of
> construct, so if we went this route we would probably want to enforce
> it with a Schematron rule.
>  
>
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