K 10
svn:author
V 3
phk
K 8
svn:date
V 27
2006-03-11T10:48:19.000000Z
K 7
svn:log
V 177
Go over calcru and friends once more.

Reintroduce the monotonicity for the normal case and make the two
special cases behave in what is belived to be the most sensible fasion.

END