[XML-SIG] [ pyxml-Bugs-825115 ] c14n: 'xmlns=""' attrib ordering problem on subelements

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Bugs item #825115, was opened at 2003-10-16 14:28
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Category: DOM
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Keith Beattie (ksbeattie)
Assigned to: Nobody/Anonymous (nobody)
Summary: c14n: 'xmlns=""' attrib ordering problem on subelements

Initial Comment:
When c14n'ing a sub element of a document which set the
default xmlns, that xmlns attribute is not ordered
first.  For exmaple the program:

---
from xml.dom import minidom
from xml.dom.ext import c14n

str = """<a:A xmlns:a="a" xmlns="b">
  <B/>
</a:A>"""
dom = minidom.parseString(str)
B_el = dom.getElementsByTagNameNS("b", "B")[0]
print c14n.Canonicalize(B_el)
---

prints:
<B xmlns:a="a" xmlns="b"></B>

When it should place the 'xmlns="b"' first:
<B xmlns="b" xmlns:a="a"></B>

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