>>>>> "Marko" == Marko Riedel <mriedel@neuearbeit.de> writes:
Marko> I am helping a student prepare for an exam in basic calculus and he
Marko> has to plot a lot of functions. Imagine my dismay when I discovered
Marko> that
Marko> plot2d(2*(x+1)/(x-1)^2,[x,-5,5]);
Marko> puts maxima into an infinite loop! I guess it is not aware of
Marko> singularities.
This is a known bug with 5.9. It is mostly fixed in the CVS version.
Ray