Re: [docbook] v5 feature request.

[Jirka Kosek <jirka@kosek.cz>]

Dave Pawson wrote:
> Could I request a (negative) addition to the schema please.
> 
>     <define name="db._any">
>       <a:documentation>Any element from almost any
> namespace</a:documentation>
>       <element>
> 
>         <anyName>
>           <except>
>             <nsName/>
>             <nsName ns="http://www.w3.org/1999/xhtml"/>
>         <!-- DP Added for litprog-->
>         <nsName ns="http://nwalsh.com/xmlns/litprog/fragment"/>
>           </except>
>         </anyName>

Unfortunately you hit one of the very few limits of RELAX NG. You can
not use general patterns inside <anyName>, so it is not possible to add
new excluded namespace simply by combining new namespace name with an
existing pattern for excluded namespaces. You have to redefine whole
pattern for db._any.

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