--- /tmp/man5_resolv.conf.5-orig	2012-09-11 14:25:26.406461617 -0400
+++ /tmp/man5_resolv.conf.5	2012-09-11 16:21:48.264137192 -0400
@@ -168,6 +168,13 @@
 (currently 2, see \fI<resolv.h>\fP).
 The value for this option is silently capped to 5.
 .TP
+.BR single-request-reopen " (since glibc 2.9)"
+The resolver uses the same socket for the A and AAAA requests.  Some hardware
+mistakenly only sends back one reply.  When that happens the client sytem will
+sit and wait for the second reply.  Turning this option on changes this behavior
+so that if two requests from the same port are not handled correctly it will
+close the  socket and open a new one before sending the second request.
+.TP
 .B rotate
 .\" Since glibc 2.2
 sets