[Rd] bug in bwplot (PR#2595)

[rmh@surfer.sbm.temple.edu]

> tmp <- data.frame(y=rnorm(12), g=factor(rep(1:2,6)))
> bwplot(g ~ y, data=tmp)
Error in segments(x1 = structure(c(-1.68373790592731, 0.159038997376781,  : 
	Argument "x0" is missing, with no default
> version
         _              
platform i386-pc-mingw32
arch     i386           
os       mingw32        
system   i386, mingw32  
status                  
major    1              
minor    6.2            
year     2003           
month    01             
day      10             
language R              
> 
> data(singer)
> bwplot(voice.part ~ height, data=singer, xlab="Height (inches)")
Error in segments(x1 = structure(c(NA, NA, NA, NA), .Names = c("", "",  : 
	Argument "x0" is missing, with no default
> 

Rich