@section @code{isblank}
@findex isblank
-POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/isblank.html}
+POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/isblank.html}
Gnulib module: isblank
@itemize
@item
This function is missing on some platforms:
-AIX 4.3.2, IRIX 6.5, OSF/1 5.1, Solaris 9, mingw.
+AIX 4.3.2, IRIX 6.5, OSF/1 5.1, Solaris 9, mingw, MSVC 9.
+@item
+This function cannot be called from plain inline or extern inline functions
+on some platforms:
+OS X 10.8.
@end itemize
Portability problems not fixed by Gnulib: