From: Tom Lane <tgl@sss.pgh.pa.us>
To: =?UTF-8?Q?J=C3=BCrgen_Purtz?= <juergen@purtz.de>
cc: pgsql-docs@lists.postgresql.org, Alexander Law <exclusion@gmail.com>
Subject: Re: DocBook 5.2
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Date: Thu, 05 Sep 2024 16:01:05 -0400
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=?UTF-8?Q?J=C3=BCrgen_Purtz?= <juergen@purtz.de> writes:
> [ conversion to DocBook 5.2 ]

I took another look at this issue, and found that no Red Hat distro is
yet shipping DocBook 5.2; not even Fedora 40 which is bleeding edge.
So I would have to obtain and manually install the relevant DTDs
and style sheets, as would a lot of other contributors.  I'm less
familiar with the Debian ecosystem but AFAICT they are shipping
even older docbook packages than Red Hat.

In short, making this conversion now would destroy most contributors'
ability to build the docs at all.  Not to mention packagers, who
generally don't have the option to use stuff not yet blessed by their
distro.  Since we've lately been encouraging packagers to build the
docs for themselves, that part is likely to be a pain point long
after it stops being one for average contributors.

I don't see how we can migrate to 5.2 until it becomes a lot more
widespread in standard distros.

			regards, tom lane