> groff_char.7:811: warning: can't find special character `\o' This was a typo, now fixed in git.
> groff_char.7:1038: warning: can't find special character `bs'
> groff_char.7:1179: warning: can't find special character `radicalex'
> groff_char.7:1182: warning: can't find special character `sqrtex'
Those three are expected, and indeed, there aren't Unicode characters
for those symbols.
Werner
