@section @code{iswdigit}
@findex iswdigit
-POSIX specification: @url{http://www.opengroup.org/susv3xsh/iswdigit.html}
+POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/iswdigit.html}
-Gnulib module: ---
+Gnulib module: wctype
Portability problems fixed by Gnulib:
@itemize
+@item
+This function is missing on some platforms:
+IRIX 5.3, Solaris 2.5.1.
+@item
+This function returns 0 for all possible arguments on some platforms:
+Linux libc5.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@item
-This function is missing on some platforms:
-Solaris 2.5.1.
-@item
On Windows platforms, @code{wchar_t} is a 16-bit type and therefore cannot
accommodate all Unicode characters.
@end itemize