292869 - parsing attempt to undeclare namespace prefix e.g. xmlns:prefix="" should give parse error

Status: RESOLVED WONTFIX

(Core :: XML, defect)

Description

[Martin Honnen]

In XML 1.0 with namespaces it is not allowed to undeclare a prefix bound to a
namespace URI e.g. the construct
  xmlns:prefix=""
should yield a parse error.
Mozilla however does not give a parse error, neither when loading an XML file
with such a construct in the browser or when using script (e.g. XMLHttpRequest)
to load and parse the XML.
Other parsers like MSXML 3 as used by IE 6 or as the Xerces parser give a parse
error.
I will upload an XML file with such a construct next to have a test case.

Comment 1

[Martin Honnen]

Attachment: test case (not well-formed XML 1.0 with namespaces so Mozilla should display an XML parse error)

Comment 2

[Martin Honnen]

I made a mistake when filing the bug, it is present in the 1.7 branch but not in
recent trunk builds so I change version now to 1.7 branch.

Comment 3

[Peter Van der Beken [:peterv]]

I'm not going to fix this on the 1.7 branch and it should be fixed on the trunk
so this is either WONTFIX or FIXED.

Comment 4

[Boris Zbarsky [:bzbarsky]]

Wontfix for branch (fixed by expat landing on trunk).