[R] plot methods for summary of rms objects

[Rob James]

The integration of plot methods for various outputs from rms packages is 
a great appreciated aspect of the rms package.

I particularly like to use:

plot(summary(model))

for my own purposes, but... for publication/presentation I need to 
modify details like variable names, or the number of signficant digits 
used in the figure annotations.

Is there a simple way to modify the plot inputs arising from summary, or 
is it necessary to hack the summary object?

Thanks