R devel - Apr 2002 - persp() crashes with numeric values for [x,y,z]lab (PR#1431)

Using a numeric value for the arguments xlab, ylab or zlab in persp()
crashes R.
Example:

  persp(1:2, 1:2, matrix(1:4, 2), xlab=1)

Well, it is documented that "These must the character strings".
BTW: I think "the" should be changed to "be" in this
sentence.

Nevertheless the worst case could be caught, however, e.g. by coercing
numeric to character.


Uwe Ligges

R-1.4.1 (on WinNT4 + Solaris 5.7) and 


platform i386-pc-mingw32             
arch     i386                        
os       mingw32                     
system   i386, mingw32               
status   Under development (unstable)
major    1                           
minor    5.0                         
year     2002                        
month    04                          
day      02                          
language R

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