[Standards] Namespace versioning

Glenn Maynard glenn at zewt.org
Wed May 25 20:17:33 UTC 2011


On Wed, May 25, 2011 at 3:47 PM, Joe Hildebrand <joe.hildebrand at webex.com>wrote:

> On 5/25/11 10:00 AM, "Mark Rejhon" <markybox at gmail.com> wrote:
>
> > To date, I had the opportunity to implement my prototype standard
> (upcoming
> > resubmission) in two different programming languages -- C# and Java.   I
> > learned that different XML libraries handles namespace versioning very
> > differently.  With one XML library, I was able to monitor all namespaces
> > that matched a specific wildcard, which is useful for translating that to
> > the end user warning that a software upgrade is needed.    But for a
> > different XML library, my software was 100% blissfully ignorant of all
> > namespaces that did not have an exact match.  So it was not possible (or
> > easy) to translate that to a warning to the user to upgrade the software.
>
> The first library has a bug.
>

An XML library supporting namespace filtering based on wildcards has a
"bug"?  You can even do that with XPath.

-- 
Glenn Maynard
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