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I have a CQL parser written in VB.NET; if anyone is interested I could 
post it somewhere.

Regards,
Tom

Matthias Hess wrote:
> I am currently implementing a CQL Parser for .NET / C#. When I studied 
> the BNF in the CQL spec, I found something which does not make sense to 
> me. The spec says:
> 
> term  ::=  identifier | 'and' | 'or' | 'not' | 'prox' | 'sortby'
> this means that the words and, or, not, prox and sortby are valid terms.
> 
> The spec also says that
> 
> prefix, uri, modifierName, modifierValue, searchTerm, index  ::=  term
> this means that the words and, or, not, prox and sortby are valid as 
> prefix, uri, modifierName, modifierValue, searchTerm and index.
> 
> Putting all this together, it means that the following strings are all 
> valid CQL Queries:
> 
> and
> 
> and and and
> 
> and or not and or not and dino and not not and
> 
> Is this an error in the CQL spec?
> 
> Kind Regards
> Matthias