Man pages matching name sympa::spindle::transformincoming in section 3sympa:

Sympa::Spindle::TransformIncoming.3sympa.en	debian 10 / sympa
Sympa::Spindle::TransformIncoming.3sympa.en	debian 11 / sympa
Sympa::Spindle::TransformIncoming.3sympa.en	debian 12 / sympa