pt_BR builds fails only locally

Hi,

The pt_BR manual builds ok in docs.php.net [1] but fails locally (unknown
ID class.weakref). See [3] for a fast reproduction.

So there is some mismatch on local vs central update, with no email
warnings. Can someone check if the migration from git.php.net to github
broke something?

I also highlight this patch [2] that would make this type of situation more
easy to diagnose.

André L F S Bacci



[1] http://doc.php.net/logs/2021-04-14-16/

[2] https://github.com/php/systems/pull/16

[3]
```
mkdir phpdoc
cd phpdoc
git clone https://github.com/php/doc-base.git  doc-base
git clone https://github.com/php/doc-en.git    en
git clone https://github.com/php/doc-pt_br.git pt_BR
php doc-base/configure.php --with-lang=pt_BR
```