@item
This function has quadratic instead of linear worst-case complexity on some
platforms:
-glibc 2.8, MacOS X 10.5, FreeBSD 6.2, NetBSD 5.0, OpenBSD 4.0, AIX
+glibc 2.8, Mac OS X 10.5, FreeBSD 6.2, NetBSD 5.0, OpenBSD 4.0, AIX
5.1, HP-UX 11, IRIX 6.5, OSF/1 5.1, Solaris 11 2011-11, Cygwin 1.5.x, mingw, MSVC 9.
@end itemize