--help on /usr/share/lemonldap-ng/bin/lemonldap-ng-sessions displays source code if perl-doc is missing
On debian bullseye version 11.5
/usr/share/lemonldap-ng/bin/lemonldap-ng-sessions --help
.. displays source code .. then end with
You need to install the perl-doc package to use this program.
ii lemonldap-ng 2.0.15.1-1 all OpenID-Connect, CAS and SAML compatible Web-SSO system
ii lemonldap-ng-doc 2.0.15.1-1 all Lemonldap::NG Web-SSO system documentation
ii lemonldap-ng-handler 2.0.15.1-1 all Lemonldap::NG handler part
ii liblemonldap-ng-common-perl 2.0.15.1-1 all Lemonldap::NG common files
ii liblemonldap-ng-handler-perl 2.0.15.1-1 all Lemonldap::NG handler common libraries
ii liblemonldap-ng-manager-perl 2.0.15.1-1 all Lemonldap::NG manager part
ii liblemonldap-ng-portal-perl 2.0.15.1-1 all Lemonldap::NG authentication portal part
installing perl-doc with apt install perl-doc fixes it
debian packages miss perl-doc dependency