[Os-project-managers] More schema troubles!

[Horand Gassmann]

Kipp Martin <kmartin at chicagobooth.edu> wrote:

> Hi Gus:
>
>> more trouble...
>>
>>  In OSoL we give the initial variable values in the form
>>
>> <var idx="..." value="..."/>
>>
>> where "value" is an *optional* attribute, with*out* a default value.
>> This makes very little sense. In OSrL we use the form
>>
>> <var idx="...">...</var>
>>
>> which is a little more sensible, but it does not allow us to compress
>> repeated values (such as for a zero-one program). I think we should use
>> the same form for both schemas, and we should at least allow the
>> possibility of an IntVector to compress repeated values. (Unfortunately,
>> this is a 3.0 issue...)
>>
>> Do you guys agree?
>
> I agree that:
>
> 1) we should be consistent,
>
> 2) allowing repeated values is good,
>
> 3) we are looking at OS 3.0
>
>
> That said, I am a little bit worried about our users such as the GAMS
> folks. We are going to break things for them.

I know. That's why I was careful in saying "possibility of an  
IntVector". I think it is possible to have both forms running in  
parallel. Don't know how desirable it is, but it is possible, and we  
do allow both forms, for instance in the <otherVariableResult> element.

Cheers

gus