master
[chem,man,gropdf,groff,tmac]: Give man(1) hint.
Fix Savannah #68212.
Make test scripts' "skip" notices more consistent.
[glilypond]: Make diagnostic identify itself.
[gperl]: Ship "COPYRIGHT" file.
[gpinyin]: Ship "COPYRIGHT" and "GPLv2" files.
[groff]: Make `-I` stop implying `-g` and `-s`.
[install-font]: Fix typo in diagnostic message.
groff_mm(7): Clarify.
[mom]: Fixes missing titles from refer 'bibliography'.
[rfc1345]: Push *.am cargo back out to sea.
[sboxes]: Fix Savannah #68538.