Document --describe-config.

diff --git a/doc/src/sgml/ref/postgres-ref.sgml b/doc/src/sgml/ref/postgres-ref.sgml
index d558782e63b8e98bee8575cc38af9856d825753f..5680dd661d48d4e86ef7a57438df85591bc7f28e 100644 (file)
--- a/doc/src/sgml/ref/postgres-ref.sgml
+++ b/doc/src/sgml/ref/postgres-ref.sgml
@@ -1,5 +1,5 @@
 
 
@@ -335,6 +335,17 @@ PostgreSQL documentation
       
      
 
+     
+      --describe-config
+      
+       
+        This option dumps out the server's internal configuration variables, 
+        descriptions, and defaults in tab-delimited COPY format.
+        It is designed primarily for use by administration tools.
+       
+      
+     
+