Back out EXCEPT/DIFFERENCE patch. Seems I forgot the details of this.

diff --git a/doc/src/sgml/sql.sgml b/doc/src/sgml/sql.sgml
index d5fece28dba79eacfe5c3cf0641dbcf94467b3d8..2c6247ff918f7454e84bca00ab3079ceeef05838 100644 (file)
--- a/doc/src/sgml/sql.sgml
+++ b/doc/src/sgml/sql.sgml
@@ -1,5 +1,5 @@
 
 
  
@@ -488,7 +488,7 @@ attributes are taken from. We often write a relation scheme as
 
       
        
-   EXCEPT (− or ∖): builds the set difference of
+   DIFFERENCE (− or ∖): builds the set difference of
    two tables. Let R and S
    again be two tables with the same
    arity. R - S