Re: [xml] When will you support xml version 1.1?

[Daniel Veillard <veillard redhat com>]

On Thu, Jun 07, 2007 at 09:26:39AM +0200, Tim Van Holder wrote:
> Adam Dickmeiss wrote:
> > Michael Day wrote:
> > > > Our problem area has been ISO2709 which are converted to MARCXML (from 
> > > > network sources beyond our control). Right now problematic chars, say 
> > > > &#7, are just thrown away. Another option to avoid data loss would for 
> > > > us to make _private_ semantics <char num="7"/>.
> > > Another option if you want to tunnel what is essentially uninterpreted 
> > > binary data through XML is to Base64 encode it, that way even NUL bytes 
> > It's not binary. It's 7-bit ASCII. And base64 blobs does not preserve 
> > the structure.
> >
> > What a shame that this trivial-to-fix mistake in XML 1.0 "not full 
> > UNICODE including ASCII" may not be fixed anyway.
>
> How does structure come into it?
>
> I don't see how
>
>   ...
>   <foo attr="&#7"/>
>   ...
>
> preserves _structure_ better than
>
>   ...
>   <foo>
>     <attr encoding="base64">[base64 version of &#7;]</attr>
>   <foo>
>   ...

  just uuencode64 the attribute content if you want to pass binary blobs there,
no need to change the structure. 

Daniel

-- 
Red Hat Virtualization group http://redhat.com/virtualization/
Daniel Veillard      | virtualization library  http://libvirt.org/
veillard redhat com  | libxml GNOME XML XSLT toolkit  http://xmlsoft.org/
http://veillard.com/ | Rpmfind RPM search engine  http://rpmfind.net/