Add documentation about "--" not working on Free/OpenBSD.

diff --git a/doc/src/sgml/ref/postmaster.sgml b/doc/src/sgml/ref/postmaster.sgml
index 386434c2fadaab5ba72ab021e691461f42c2272a..1da4e01b28fc4f2b462f3ac646d39ad86acdd8a3 100644 (file)
--- a/doc/src/sgml/ref/postmaster.sgml
+++ b/doc/src/sgml/ref/postmaster.sgml
@@ -1,5 +1,5 @@
 
 
@@ -271,7 +271,13 @@ Postgres documentation
       --name=value
       
        
-        Sets a named run-time parameter; a shorter form of -c.
+        Sets a named run-time parameter; a shorter form of
+        -c.
+       
+       
+   The -- option will not work on FreeBSD or OpenBSD.
+   Use -c instead. This should be fixed in
+   PostgreSQL 7.3.