[R] Lattice: set col = "black" for box.rectangle and box.umbrella

[Rich Shepard]

On Sat, 4 Jul 2015, Duncan Mackay wrote:

> Just a thought
> Have you set pch colour values somewhere else?

Duncan,

   Not on purpose.

> see also https://stat.ethz.ch/pipermail/r-help/2010-March/230329.html

   Will do.

Thanks,

Rich