On Friday 2023-08-18 14:38, Jeremy Sowden wrote: >Follow the automake documentation and use autoconf substitution variables. > >Add a couple of extra trailing spaces to match the definitions generated by automake. Ha! xt-a had a 6-wide label because that's what automake did at the time. Seems that changed in automake.git#94121099cfe42ca944eaff6805a5404ee0234060 .