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Re: [xsl] xpath query failing

Subject: Re: [xsl] xpath query failing
From: "Michael Kay mike@xxxxxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 22 Apr 2016 20:29:19 -0000

> On 22 Apr 2016, at 20:52, Joseph L. Casale jcasale@xxxxxxxxxxxxxxxxx
<xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:
>> I'm afraid this is the number 1 xpath gotcha. Your nlog element is in a
namespace and you are searching for nlog elements in no namespace.
>> The framework in which you are executing the XPath expression should give
you some means of binding a prefix to the namespace, for example
>> setNamespaceBinding("n", "http://www.nlog-project.org/schemas/NLog.xsd")
>> You can then use the path expression "/n:nlog/@throwExceptions"
> Hi Michael,
> Looks like I am out of luck, according to
> the WIX toolset neglects to implement this functionality.

Well, there's always the ghastly workaround

>> "/*[local-name() = 'nlog']/@throwExceptions"

Over on xml-dev there are people actually defending the design of XML
namespaces. Amazing.

Michael Kay

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