.\" $OpenBSD: eos.in,v 1.2 2017/07/04 14:53:25 schwarze Exp $ .Dd $Mdocdate: July 4 2017 $ .Dt FO-EOS 1 .Os .Sh NAME .Nm Fo-eos .Nd end of sentence handling after a function block .Sh DESCRIPTION As an example of a trigonometric function, let us consider .Fn "double sin" "double x" . Or do you prefer .Ft double .Fo cos .Fa double x .Fc . Either will do.