Re: Improving 7.1

Unfortunately I discovered this approach doesn't work, because it disallows

<group>
  <attribute name="foo">
    <data type="token"/>
  </attribute>
  <attribute name="bar">
    <data type="token"/>
  </attribute>
</group>

Using exclusions cannot distinguish the fact that the <data> elements are 
inside <attribute>.

Thus I think inference rules are the most straightforward way to describe 
this restriction.

--On Friday, July 27, 2001 12:33 PM -0700 Kohsuke KAWAGUCHI 
<> wrote:

>
>>   foo - bar
>>
>> to indicate something that matches foo but doesn't contain any bar
>> descendants. Then I think this restriction can be described by saying
>> that the content of a group or interleave element not inside a list
>> element must match
>>
>> (pattern - data - value) (pattern - data - value)
>> | pattern (pattern - text - data - value)
>> | (pattern - text - data - value) pattern
>
> The following might be better
>
>   (pattern - {data,value}) (pattern - {data,value})
> | pattern (pattern - {data,value,text})
> | (pattern - {data,value,text}) pattern
>
> At first I was confused because A-B is whether left-associative or
> right-associative.
>
>
> regards,
> --
> Kohsuke KAWAGUCHI                          +1 650 786 0721
> Sun Microsystems                   
>
>
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