2 @section @code{iswblank}
5 POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/iswblank.html}
9 Portability problems fixed by Gnulib:
12 This function returns 0 for all possible arguments on some platforms:
16 Portability problems not fixed by Gnulib:
19 This function is missing on some platforms:
20 AIX 4.3.2, IRIX 6.5, OSF/1 5.1, Solaris 9, mingw.
22 On Windows platforms, @code{wchar_t} is a 16-bit type and therefore cannot
23 accommodate all Unicode characters.