Man pages matching name file::desktopentry in section 3pm:

File::DesktopEntry.3pm.en	debian 10 / libfile-desktopentry-perl
File::DesktopEntry.3pm.en	debian 11 / libfile-desktopentry-perl
File::DesktopEntry.3pm.en	debian 12 / libfile-desktopentry-perl