This happens on the documentation page for ConfigurableImageEffectInterface, for example.
In the Hierarchy list, not all the extended interfaces are linked to their documentation page.
- interface \Drupal\Core\Plugin\ PluginFormInterface → ; interface \Drupal\image\ ImageEffectInterface → extends \Drupal\Component\Plugin\PluginInspectionInterface \Drupal\Component\Plugin\ConfigurableInterface \Drupal\Component\Plugin\DependentPluginInterface
- interface \Drupal\image\ ConfigurableImageEffectInterface → extends \Drupal\image\ImageEffectInterface \Drupal\Core\Plugin\PluginFormInterface
The missing links are:
On the documentation page for ImageEffectInterface (one of the interfaces listed in that page), the linked interfaces are different.
- interface \Drupal\Component\Plugin\ ConfigurableInterface → ; interface \Drupal\Component\Plugin\ DependentPluginInterface → ; interface \Drupal\Component\Plugin\ PluginInspectionInterface →
- interface \Drupal\image\ ImageEffectInterface → extends \Drupal\Component\Plugin\PluginInspectionInterface \Drupal\Component\Plugin\ConfigurableInterface \Drupal\Component\Plugin\DependentPluginInterface
Active
2.0
User interface
Looking at those pages, it seems that only the first two/three interfaces are linked to their documentation page, although the same interface is linked to the documentation page in one case but not the other one.
(It is not clear why the linked interfaces are two in one case, but three in the other one.)