This PHP Manual build is broken

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The pt_br build of the PHP Manual is broken, so it does not validate or build. Please fix it! ;)

Attached is the full log

Love,
	The docs.php.net server

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===> Thu Nov  2 00:08:41 GMT 2023 Starting pt_br
===> Thu Nov  2 00:08:41 GMT 2023 Configuring pt_br
configure.php: $Id$
PHP version: 8.1.24

Checking for source directory... /local/src/phpdoc-git/base
Checking for output filename... /local/src/phpdoc-git//base/2023-11-02-00-pt_br.xml
Checking whether to include CHM... no
Checking for PHP executable... /usr/bin/php
Checking for language to build... pt_br
Checking whether the language is supported... yes
Checking for partial build... no
Checking whether to enable detailed XML error messages... no
Checking libxml version... 2.9.1
Checking whether to enable detailed error reporting (may segfault)... yes
Checking whether to optimize out the DTD (performance gain, but segfaults)... no
Generating /local/src/phpdoc-git/base/manual.xml... done
Generating /local/src/phpdoc-git/base/install-unix.xml... done
Generating /local/src/phpdoc-git/base/install-win.xml... done
Generating /local/src/phpdoc-git/base/scripts/file-entities.php... done
Iterating over extension specific version files... OK
Saving it... OK
Iterating over files for sources info... OK
Generating sources XML... OK
Saving sources.xml file... OK
Creating file /local/src/phpdoc-git/base/entities/file-entities.ent... done
Checking for if we should generate a simplified file... no
Checking whether to save an invalid .manual.xml... no
Loading and parsing manual.xml... done.
Running XInclude/XPointer... done.

XPointer evaluation failed: #xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.curlfile')/db:refentry/db:refsect1[@role='description']/descendant::db:constructorsynopsis[@role='CURLFile'])

Validating manual.xml... failed.

The document didn't validate, here are the errors I got:
(If this isn't enough information, try again with --enable-xml-details)
 XPointer evaluation failed: #xmlns(db=http://docbook.org/ns/docbook)
 xpointer(id('class.curlfile')/db:refentry/db:refsect1[@role='description']/descendant::db:constructorsynopsis[@role='CURLFile'])
 Element reference content does not follow the DTD, expecting (((title |
 titleabbrev | subtitle)* , info?) , partintro? , refentry+), got (title
 partintro phpdoc:varentry phpdoc:varentry phpdoc:varentry phpdoc:varentry
 phpdoc:varentry phpdoc:varentry phpdoc:varentry phpdoc:varentry phpdoc:varentry
 phpdoc:varentry phpdoc:varentry phpdoc:varentry phpdoc:varentry phpdoc:varentry
 )

Eyh man. No worries. Happ shittens. Try again after fixing the errors above.
=============> Something happenend when snapshotting pt_br
Failed completely
=============> Please have a look!

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