@code{j}, @code{t}, @code{z}) on some platforms:
AIX 5.1, HP-UX 11.23, IRIX 6.5, OSF/1 5.1, Solaris 9, Cygwin 2006, mingw, BeOS.
@item
+printf of @samp{long double} numbers is unsupported on some platforms:
+mingw, BeOS.
+@item
+printf @code{"%f"}, @code{"%e"}, @code{"%g"} of Infinity and NaN yields an
+incorrect result on some platforms:
+AIX 5.2, OSF/1 5.1, Solaris 10, mingw.
+@item
This function does not support the @samp{a} and @samp{A} directives on some
platforms:
glibc-2.3.6, MacOS X 10.3, NetBSD 3.0, OpenBSD 4.0, AIX 5.2, HP-UX 11, IRIX 6.5, OSF/1 5.1, Solaris 10, Cygwin, mingw, BeOS.
NetBSD 3.0, mingw, BeOS.
@item
This function doesn't support the @code{'} flag on some platforms:
-NetBSD 3.0, mingw.
+NetBSD 3.0, Cygwin 2006, mingw.
@item
printf @code{"%010f"} of NaN and Infinity yields an incorrect result (padded
with zeroes) on some platforms:
-MacOS X 10.3, FreeBSD 6.0, NetBSD 3.0, AIX 5.2, IRIX 6.5, OSF/1 5.1, Solaris 10, mingw.
+MacOS X 10.3, FreeBSD 6.0, NetBSD 3.0, AIX 5.2, IRIX 6.5, OSF/1 5.1, Solaris 10, Cygwin 2007, mingw.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
-@item
-printf of @samp{long double} numbers is unsupported on some platforms:
-mingw.
@end itemize