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Re: [xsl] XPath to retrieve the content of each fake comment in an element?

Subject: Re: [xsl] XPath to retrieve the content of each fake comment in an element?
From: "Martin Honnen martin.honnen@xxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 19 Feb 2021 20:19:31 -0000
On 19.02.2021 21:17, Roger L Costello costello@xxxxxxxxx wrote:
Hi Folks,

Consider this element:

<style>
    blah, blah
    <![CDATA[
       <!--
           a,b,c
       -->
   ]]>
   foo, foo
    <![CDATA[
       <!--
           d,e,f
       -->
   ]]>
</style>

The content of the <style> element is this string:

       blah, blah
       <!--
           a,b,c
       -->
       foo, foo
       <!--
           d,e,f
       -->

Notice that it appears there are two comments, but they are not, they are
"fake comments".

I want to get just the content inside the fake comments:

          a,b,c
          d,e,f

The following XPath expression seems to give the desired results:

for $i in tokenize(., '<!--') return if (contains($i, '-->')) then
substring-before($i, '-->') else ()

Is there a better XPath expression -- simpler, more precise, more complete? 

XPath 3.1
  style/parse-xml-fragment(.)/comment()/data()

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