//
// This file defines the SparseSet class derived from the version described in
// Briggs, Torczon, "An efficient representation for sparse sets", ACM Letters
-// on Programming Languages and Systems, Volume 2 Issue 1-4, March–Dec. 1993.
+// on Programming Languages and Systems, Volume 2 Issue 1-4, March-Dec. 1993.
//
// A sparse set holds a small number of objects identified by integer keys from
// a moderately sized universe. The sparse set uses more memory than other