POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/modfl.html}
-Gnulib module: ---
+Gnulib module: modfl or modfl-ieee
-Portability problems fixed by Gnulib:
+Portability problems fixed by either Gnulib module @code{modfl} or @code{modfl-ieee}:
@itemize
+@item
+This function is missing on some platforms:
+FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, HP-UX 11, IRIX 6.5, Solaris 9, Cygwin, Interix 3.5.
+@item
+This function is only defined as a macro with arguments on some platforms:
+MSVC 9.
@end itemize
-Portability problems not fixed by Gnulib:
+Portability problems fixed by Gnulib module @code{modfl-ieee}:
@itemize
@item
-This function is missing on some platforms:
-FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, HP-UX 11, IRIX 6.5, Solaris 9, Cygwin, Interix 3.5.
+This function has problems with infinite arguments on some platforms:
+IRIX 6.5, OSF/1 5.1, mingw.
+@end itemize
+
+Portability problems not fixed by Gnulib:
+@itemize
@end itemize