doc-it does not build on Windows, with PHP 8.3.14, libxml 2.10.4. configure.php fails to load with:

Loading and parsing manual.xml...
Warning: DOMDocument::load(C:/phpdoc/it/reference/pcre/pattern.modifiers.xml): Failed to open stream: Invalid argument in C:\phpdoc\doc-base\configure.php on line 688

And doc-base/scripts/broken.php it report that:

Broken XML file:
  Issue: CData section not finished
  Path:  C:\phpdoc\it\reference\pcre\pattern.modifiers.xml [116,6336]

The file reference\pcre\pattern.modifiers.xml on doc-it has two CDATA, but the same file on doc-en does not. So the file at least has mismatched elements, and at most breaks building on Windows.