Man pages matching name wiki::toolkit::plugin::diff in section 3pm:

Wiki::Toolkit::Plugin::Diff.3pm.en	debian 10 / libwiki-toolkit-plugin-diff-perl
Wiki::Toolkit::Plugin::Diff.3pm.en	debian 11 / libwiki-toolkit-plugin-diff-perl
Wiki::Toolkit::Plugin::Diff.3pm.en	debian 12 / libwiki-toolkit-plugin-diff-perl