This function does not support format directives that access arguments in an
arbitrary order, such as @code{"%2$s"}, on some platforms:
NetBSD 3.0, mingw, BeOS.
+@item
+This function doesn't support the @code{'} flag on some platforms:
+NetBSD 3.0, mingw.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@item
-This function doesn't support the @code{'} flag on some platforms:
-mingw.
-@item
printf @code{"%010f"} of NaN and Infinity yields an incorrect result (padded
with zeroes) on some platforms:
FreeBSD 6.0.