There is no special call stack manipulation in the CL condition system. It's built on top of dynamic scoping and normal catch/throw unwinds; see http://www.pipe

There is no special call stack manipulation in the CL condition system. It's built on top of dynamic scoping and normal catch/throw unwinds; see http://www.pipeline.com/~hbaker1/MetaCircular.html http://www.pipeline.com/~hbaker1/MetaCircular.html for block/return-from on top of catch/throw.