Re: BUG #16046: xpath returns CDATA tag along with the value in postgres 12

PG Bug reporting form <noreply@postgresql.org> writes:
> While using xpath to extract text from a CDATA section of xml, it returns
> CDATA tag along with the value.
>
> Query: SELECT unnest(xpath('//cname/aname/text()','<cname><aname><![CDATA[select 5]]></aname></cname>'::xml))
>
> Output - pg11: select 5
>
> Output - pg12: <![CDATA[select 5]]>

I haven't actually bisected to make sure, but I imagine this is a
consequence of commit 251cf2e27bec98274e8bb002608680bdc211319e.
What's not entirely clear to me is whether it's an intentional
effect, or a bug.  Authors, any comments?

            regards, tom lane