1.) - enter "cx^2" as the function term in the "settings" dialog
    - press "Ok" -> "not a number"
    - remove the "c"
    - press "Ok" -> segfault!
* fixed, 21.12.1997. the segfault appeared in KNode::~KNode()

please report further bugs to Michael Ritzert <Ritzert@T-Online.de>
