@itemize
@item
This function is missing on some platforms:
-HP-UX 11, IRIX 6.5, Solaris 2.6, mingw, Interix 3.5.
+HP-UX 11.00, IRIX 6.5, Solaris 2.6, mingw, Interix 3.5.
+@item
+This function does not work on some platforms:
+HP-UX 11, Solaris 10.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@item
-On Windows platforms, @code{wchar_t} is a 16-bit type and therefore cannot
+On AIX and Windows platforms, @code{wchar_t} is a 16-bit type and therefore cannot
accommodate all Unicode characters.
@item
The specification is not clear about whether this function should update the