Document poll/select bug

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1290 42af7a65-404d-4744-a932-0658087f49c3

TODO

@@ -214,12 +214,18 @@ o Network (net/, netutils/)
   Status:      Open
   Priority:    Medium
 
-  Description: poll()/select is not implement for UDP sockets because they do
+  Description: poll()/select() is not implemented for UDP sockets because they do
                do not support read-ahead buffering.  Therefore, there is never
                a case where you can read from a UDP socket without blocking.
   Status:      Open, depends on UDP read-ahead support
   Priority:    Medium
 
+  Description: poll()/select() does not detect incoming connections.  As a result
+               they are not useful for implementing servers in the usual way.
+  Status:      Open.
+  Priority:    High.  There is a work-around (compare examples/poll/net_reader.c
+               to examples/poll/net_listener.c).
+
 o USB (drivers/usbdev)
   ^^^^^^^^^^^^^^^^^^^^