@itemize
@item
This function is missing on some platforms:
-MacOS X 10.3, FreeBSD 6.0, IRIX 5.3, Solaris 2.5.1, Cygwin, mingw, BeOS.
+MacOS X 10.5, FreeBSD 6.0, IRIX 5.3, Solaris 2.5.1, Cygwin, mingw, BeOS.
@item
On AIX and Windows platforms, @code{wchar_t} is a 16-bit type and therefore cannot
accommodate all Unicode characters.