Footnotes

... Edelson¹¹: Author's other affiliation: Computer and Information Science, University of California, Santa Cruz, CA 95064, USA, daniel@cse.ucsc.edu
... pointers²²: Smart pointers [Str91,Str87,Ede] are discussed later in this paper.
... pointers.³³: An unsure pointer is a quantity that is statically typed to be either a pointer or a non-pointer. For example, in ``union { int i; node &sstarf#star; p; }x;'' x is an unsure pointer.
... overloading.⁴⁴: Combined with virtual functions when necessary.
... not⁵⁵: and should not, e.g., unions