Dear All, >>> What options are needed to make GNU groff behave the same as >>> Mac OS X groff?
>> Do >> export GROFF_NO_SGR=yes >> in the shell and then try your groff command again. > OK. This works. Thanks. > So, that is the change between 1.19.2 and 1.22.4? It is not a change in groff itself, it is a result of an Apple patch to default groff settings to "Disable SGR support in grotty(1)" https://opensource.apple.com/source/groff/groff-41/patches/tmac__troffrc.diff.auto.html Michail PS. Other Apple patches https://opensource.apple.com/source/groff/groff-41/patches/ PPS. Let it be in the mail list archive for the record.