[xsl] NCName, QName and colons

Subject: [xsl] NCName, QName and colons
From: Justin Johansson <procode@xxxxxxxxxxx>
Date: Sat, 06 Feb 2010 13:34:49 +1030
This seems rather odd.

Running an XSLT identity transform over the following source document
with Saxon 9b produces the error underneath:

<?xml version="1.0" encoding="UTF-8" ?>

<:a:apple xmlns:a="foo">

Error on line 3 column 25 of foo.xml:
SXXP0003: Error reported by XML parser: The prefix ":a" for element ":a:apple" is not bound.TransformerException: net.sf.saxon.trans.XPathException: org.xml.sax.SAXParseException: The prefix ":a" for element ":a:apple" is not bound.

Obviously the source document is not valid XML but the error message
is confusing.

Since when was
1) a colon character allowed to start an NCName which a prefix is, and
2) a QName allowed to contain 2 colon characters
which the error message suggests?


Justin Johansson

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