Man pages matching name pod::pseudopod::docbook in section 3pm:

Pod::PseudoPod::DocBook.3pm.en	debian 10 / libpod-pseudopod-perl
Pod::PseudoPod::DocBook.3pm.en	debian 11 / libpod-pseudopod-perl
Pod::PseudoPod::DocBook.3pm.en	debian 12 / libpod-pseudopod-perl