-.Sh COMPATIBILITY
-The
-.Nm
-encoding supersedes the
-.Xr utf2 4
-encoding.
-The only differences between the two are that
-.Nm
-handles the full 31-bit character set of
-.Tn ISO
-10646
-whereas
-.Xr utf2 4
-is limited to a 16-bit character set,
-and that
-.Xr utf2 4
-accepts redundant,
-.No non- Ns Dq "shortest form"
-representations of characters.