Makes perfect sense to me! What, out of curiosity, would you do with 
ambiguous cases like the one I cited earlier tho -- where the Greek 
characters could be read in two different ways?

Hugh Cayless wrote:
> I'd been wondering about something like this.  Our needs are mainly  
> representational, not computational.  We aren't going to be doing math  
> on these values.  We'd like to be able to flag these fractions as  
> numbers (since they are), we'd like to be able to write them using  
> Greek notation, but we'd also like to represent them using fractional  
> notation.  I suppose what I really want is something like:
>
> <num value="0.83333">
>    <choice>
>      <orig>ιβ'</orig>
>      <reg>1/12</reg>
>    </choice>
> </num>
>
> (and I might lose the @value).  http://www.tei-c.org/release/doc/tei-p5-doc/en/html/ref-num.html 
>   tells me this is legal.
>
> H
> /**
>   * Hugh A. Cayless, Ph.D
>   * Head, Research & Development Group
>   * Digital Library @ Carolina
>   * UNC Chapel Hill
>   * [log in to unmask]
>   */
>
>
>
>
>
> On Nov 11, 2007, at 12:07 PM, Syd Bauman wrote:
>
>   
>>> ... but what I do need is to be able to display (and index, and
>>> search for) <num>ιβ</num...
>>>       
>> Seems like
>>   <choice>
>>     <orig>&iota-beta-with-diacritic;</org>
>>     <reg><num value="0.08333333">1/12</num></reg>
>>   </choice>
>> would do you well, wouldn't it? (If you didn't need to sort or
>> otherwise operate in the numeric value, you might get away with
>> skipping at least the value=, if not the <num> entirely.)
>>