I had this problem too. It was because I forgot to install the text.tgz
tarball. 

// Erik Huizing	- huizing@cpsc.ucalgary.ca
// http://www.cpsc.ucalgary.ca/~huizing/

On Fri, 7 Jul 2000, Sean Murphy wrote:

> The nroff command doesn't appear to be anywhere on my system. Can anyone
> point me to someplace where I can find it? I've had no luck so far.
> 
> tia,
> 
> -sean
> 
>