--- Libc/Libc-391.5.22/gen/FreeBSD/signbit.3.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- signbit.3.orig	Fri Oct  3 17:12:55 2003
-+++ signbit.3	Fri Nov  7 15:40:35 2003
-@@ -50,8 +50,3 @@
- .Fn signbit
- macro conforms to
- .St -isoC-99 .
--.Sh HISTORY
--The
--.Fn signbit
--macro was added in
--.Fx 5.1 .