Check for availability of docbookx.dtd

Andrey Teplitskiy <a.teplitskiy@postgrespro.ru>

From: Andrey Teplitskiy <a.teplitskiy@postgrespro.ru>
To: pgsql-hackers@postgresql.org
Date: 2025-09-11T14:50:46Z
Lists: pgsql-hackers

Attachments

Hi!

This patch adds a pre-check to meson for the ability to use docbookx.dtd 
to avoid obscure errors when the docbook-xsl package is missing from the OS.

-- 
Andrey Teplitskiy
Postgres Professional