@section @code{vsprintf}
@findex vsprintf
-POSIX specification: @url{http://www.opengroup.org/susv3xsh/vsprintf.html}
+POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/vsprintf.html}
Gnulib module: vsprintf-posix
This function doesn't support the @code{'} flag on some platforms:
NetBSD 3.0, Cygwin 2006, mingw.
@item
+This function behaves incorrectly when a @samp{-} flag and a negative width
+are specified together, on some platforms:
+HP-UX 10.20.
+@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, Cygwin 2007, mingw.