Please look at the C14N spec. On Tue, Nov 22, 2011 at 4:00 PM, Andreas Veithen <[email protected]>wrote:
> Sanjiva, > > Can you substantiate these claims by references to the spec or > concrete examples? > > Andreas > > On Tue, Nov 22, 2011 at 03:51, Sanjiva Weerawarana > <[email protected]> wrote: > > Thanks for the clear writeup Andreas. > > On Tue, Nov 22, 2011 at 12:41 AM, Andreas Veithen > > <[email protected]> wrote: > >> > >> removal of redundant namespace declarations? I don't know the C14N > >> specs well enough to answer that question, but I've seen that these > >> specs make provisions to preserve the namespace context of the element > >> and also define an algorithm to remove redundant namespace > >> declarations (search for "superfluous" or "unnecessary" namespace > >> declarations through the specs). > > > > Simple answer is that yes the spec is sensitive to any nodes being > removed, > > including seemingly redundant namespace nodes. As Alek noted, with the > > advent of XPath, its now possible for a namespace declaration that looks > > redundant to an XML parser to actually be required. However this case is > > simpler- the element is signed and removing the node breaks the > signature. > > I think we need to have a way to say "don't mess with the XML > serialization > > AT ALL" .. that is what we want in the case of Synapse is not just an > > infoset preserving serialization but rather the EXACT serialization. > > Sanjiva. > > -- > > Sanjiva Weerawarana, Ph.D. > > Founder, Director & Chief Scientist; Lanka Software Foundation; > > http://www.opensource.lk/ > > Founder, Chairman & CEO; WSO2; http://wso2.com/ > > Founder & Director; Thinkcube Systems; http://www.thinkcube.com/ > > Member; Apache Software Foundation; http://www.apache.org/ > > Visiting Lecturer; University of Moratuwa; http://www.cse.mrt.ac.lk/ > > > > Blog: http://sanjiva.weerawarana.org/ > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > > -- Sanjiva Weerawarana, Ph.D. Founder, Director & Chief Scientist; Lanka Software Foundation; http://www.opensource.lk/ Founder, Chairman & CEO; WSO2; http://wso2.com/ Founder & Director; Thinkcube Systems; http://www.thinkcube.com/ Member; Apache Software Foundation; http://www.apache.org/ Visiting Lecturer; University of Moratuwa; http://www.cse.mrt.ac.lk/ Blog: http://sanjiva.weerawarana.org/
