P0809R0 Comparing Unordered Containers

Also fixes LWG2831.

Author: Dawn Perchik

source/containers.tex

@@ -2832,7 +2832,7 @@
 proportional to $N$ (but worst-case complexity remains \bigoh{N^2}, e.g., for
 a pathologically bad hash function). The behavior of a program that uses
 \tcode{operator==} or \tcode{operator!=} on unordered containers is undefined
-unless the \tcode{Hash} and \tcode{Pred} function objects respectively have
+unless the \tcode{Pred} function object has
 the same behavior for both containers and the equality comparison function
 for \tcode{Key} is a refinement\footnote{Equality comparison is a refinement
 of partitioning if no two objects that