No data class in colortable

[Jim Stafford]

On Mon, 17 Oct 1994, Darrell Pogue wrote:

> I'm trying to print a colortable in ps.map without the 'no data' category.
> Any suggestions on how to do this?  I have tried reclassing categories.
> I have tried using r.support to delete this class.  No luck.

I also have tried a dozen ways to get rid of this class with no success. 
I finally strong-armed it by editing the output file and manually deleting
the "no data" text in the postscript file.