AND/OR truth table needs another row IMHO.

diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index 196a2e5cce02b9f01f2df79857c7627e29bd7f5b..e7d825b51811cacebcfa7dfbe45f0829b7ecfc88 100644 (file)
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -1,4 +1,4 @@
-
+
 
 
  Functions and Operators
@@ -10,7 +10,7 @@
   Programmer's Guide.  The
   psql commands \df and
   \do can be used to show the list of all actually
-  available function and operators, respectively.
+  available functions and operators, respectively.
  
 
  
@@ -86,6 +86,13 @@
        FALSE
        NULL
       
+
+      
+       NULL
+       NULL
+       NULL
+       NULL
+      
      
     
    
@@ -218,8 +225,8 @@
    expression = NULL
    because NULL is not equal to NULL.  (NULL represents
    an unknown value, so it is not known whether two unknown values are
-   equal.)  Postgres implicitly converts
-   = NULL clauses to IS NULL to
+   equal.)  Postgres presently converts
+   x = NULL clauses to x IS NULL to
    allow some broken client applications (such as
    Microsoft Access) to work, but this may
    be discontinued in a future release.
@@ -309,7 +316,7 @@
 
      
        !! 
-      Factorial (left operator)
+      Factorial (prefix operator)
       !! 5
       120