Man pages matching name attean::bindingequalitytest in section 3pm:

Attean::BindingEqualityTest.3pm.en	debian 10 / libattean-perl
Attean::BindingEqualityTest.3pm.en	debian 11 / libattean-perl
Attean::BindingEqualityTest.3pm.en	debian 12 / libattean-perl