This is the source for libcap-1.0.tar.gz

http://www.kernel.org/pub/linux/libs/security/linux-privs/kernel-2.2/libcap-1.0.tar.gz
diff --git a/doc/cap_dup.3 b/doc/cap_dup.3
new file mode 100644
index 0000000..7810cff
--- /dev/null
+++ b/doc/cap_dup.3
@@ -0,0 +1 @@
+.so man3/cap_init.3