Surely spaces should not be an issue here as these strings do not really 
identify anything.  Instead, one should be using SCTIDs as in:
terminology:Snomed?v=2002?s=135394005

Further issues include:

 *   the version should be specified using an ISO 8601 basic representation of 
YYYYMMDD (or YYYYMMDDThhmmss Z for development versions),
 *   "Snomed" is insufficient - is this the International release, or SNOMED 
CT-AU or ... My understanding of Release Format 2 (see 7.4.4.13 in the 
Technical Implementation Guide) indicates that the moduleId (also an SCTID) is 
the appropriate thing to use, and
 *   one may also (almost always) wish to use a ReferenceSet for terminology 
binding. These are also designated by an SCTID (and would require a moduleId 
and version as well)

This would then give us something like:

    terminology:SNOMED?m=32506021000036107&v=20101130&s=135394005

On 21/02/11 12:22 PM, "Peter Gummer" <peter.gummer at oceaninformatics.com> 
wrote:

Diego Bosc? wrote:

> and we have also to deal with spaces!
> <terminology:Snomed?v=2002?s=Antiallergenic drugs (product)>

Spaces are illegal in URIs. The correct form for the subset would be:

        subset=Antiallergenic%20drugs%20(product)

- Peter
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