feedback from Hans
*** 874,883 **** --- 874,885 ---- The .Sx OP macro is part of the extended .Nm macro set, and may not be portable to non-GNU troff implementations. + .Sh INTERFACE STABILITY + .Nm "Obsolete Committed" . .Sh SEE ALSO .Xr man 1 , .Xr mandoc 1 , .Xr eqn 5 , .Xr mandoc_char 5 ,