Re: BUG #18760: ../doc/src/sgml/postgres.sgml:24: element book: validity error : No declaration for attribute id of
Andrey Teplitskiy <a.teplitskiy@postgrespro.ru>
From: Andrey Teplitskiy <a.teplitskiy@postgrespro.ru>
To: Tom Lane <tgl@sss.pgh.pa.us>,
"David G. Johnston" <david.g.johnston@gmail.com>
Cc: thomas.petazzoni@bootlin.com, pgsql-bugs@lists.postgresql.org
Date: 2025-09-11T14:34:13Z
Lists: pgsql-bugs
This error occurs because the docbook-xsl package is missing, which is required in the documentation. After installation, the build is performed correctly. > "David G. Johnston" <david.g.johnston@gmail.com> writes: >> The only error that really matters here is: >> I/O error : Attempt to load network entity: >> http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd >> ../doc/src/sgml/postgres.sgml:22: warning: failed to load external entity " >> http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" >> Everything else stems from that. > Ah, indeed. Our docs are fairly clear[1] that you need a > locally-installed copy of the DocBook DTDs to build the docs. > It used to be the case that xmllint and friends could pull down > the DTDs using the given URL, but that stopped working a couple > of years ago[2]. (Experimenting just now by removing the -nonet > switches, it seems like the failure symptoms are a bit different than > they were in 2023. But it still fails, so the details are academic, > except maybe to someone who could fix www.oasis-open.org. Which is > not us.) > >>> Passing -Ddocs=disabled -Ddocs_pdf=disabled does not fix the issue: > If real, that's a bug in our Meson scripts, but evidence seems lacking. > > regards, tom lane > > [1] https://www.postgresql.org/docs/current/docguide-toolsets.html > [2] https://www.postgresql.org/message-id/flat/CAJ7c6TO8Aro2nxg%3DEQsVGiSDe-TstP4EsSvDHd7DSRsP40PgGA%40mail.gmail.com > > > > -- Andrey Teplitskiy Postgres Professional