[R-sig-Geo] function classIntervals {classInt}: arguments over/under/between

[RINNER Heinrich]

Hello,

while making some choropleth maps wit R (version 3.0 under Windows7) I ran into an issue with function classIntervals (in package classInt):
I'm not able to change the character string value for "over"/"under"/"between" in printed table labels.

For example:
> library(classInt)
> data(jenks71)
> classIntervals(jenks71$jenks71, n = 5, style = "equal")
style: equal
  one of 3,921,225 possible partitions of this variable into 5 classes
  [15.57,43.516)  [43.516,71.462)  [71.462,99.408) [99.408,127.354)  [127.354,155.3] 
              35               44               17                4                2 
> classIntervals(jenks71$jenks71, n = 5, style = "equal", between = "-")
style: equal
  one of 3,921,225 possible partitions of this variable into 5 classes
  [15.57,43.516)  [43.516,71.462)  [71.462,99.408) [99.408,127.354)  [127.354,155.3] 
              35               44               17                4                2 

--> It seems to me that arguments "over"/"under"/"between" are being ignored, setting them has no effect on the output?

I tried with findColours as well, also with no effect:
> x <- classIntervals(jenks71$jenks71, n=5, style="equal")
> findColours(x, pal = 1:5, between = "-")
[...]
attr(,"table")
  [15.57,43.516)  [43.516,71.462)  [71.462,99.408) [99.408,127.354)  [127.354,155.3] 
              35               44               17                4                2

I have seen examples (Fig. 3.5 in the book "Applied Spatial Data Analysis with R") where classIntervals has behaved differently (?), so maybe something has changed here, or I am missing something?
What can I do to make this work? 

Kind regards,
Heinrich.