Very good first patch.

I'll let the man page people take care of commiting it.

mail@lukasneukom.ch wrote:

> Hello!
> 
> I’m very new to OpenBSD and this is my very first contribution to any open source project.
> So please be lenient, if I am doing this wrong… 
> 
> In the man page SH(1) there is an environment variable without correct markup.
> 
> Index: src/bin/ksh/sh.1
> ===================================================================
> — src/bin/ksh/sh.1
> +++ src/bin/ksh/sh.1.fix
> @@ -2140,7 +2140,7 @@ before each command is traced
> option).
> The default is
> .Sq +\ \& .
> -.It PWD
> +.It Ev PWD
> The absolute pathname to the current working directory.
> .El
> .Sh ASYNCHRONOUS EVENTS
>