Remove protocol documentation paragraph about environment variable

passing being "covered elsewhere", per Dave Page.

diff --git a/doc/src/sgml/protocol.sgml b/doc/src/sgml/protocol.sgml
index e30ca0d9299c37f1d7a7ba46c6fc1c379b98e93f..00711a45e945af9691e72277061e40ebf4b9a3f4 100644 (file)
--- a/doc/src/sgml/protocol.sgml
+++ b/doc/src/sgml/protocol.sgml
@@ -1,4 +1,4 @@
-
+
 
 
  Frontend/Backend Protocol
@@ -28,12 +28,6 @@
   if it is able.
  
 
- 
-  Higher level features built on this protocol (for example, how
-  libpq passes certain environment
-  variables when the connection is established) are covered elsewhere.
- 
-
   
    In order to serve multiple clients efficiently, the server launches
    a new backend process for each client.