Remove duplicate text, per Magnus.

doc/FAQ

@@ -1,7 +1,7 @@
 
                 Frequently Asked Questions (FAQ) for PostgreSQL
                                        
-   Last updated: Wed Apr 18 23:05:05 EDT 2007
+   Last updated: Fri Apr 20 09:48:11 EDT 2007
    
    Current maintainer: Bruce Momjian (bruce@momjian.us)
    
@@ -630,9 +630,6 @@
    upper and lowercase characters, it can not have identical values that
    differ only in case. To force a particular case to be stored in the
    column, use a CHECK constraint or a trigger.
-   4.9) In a query, how do I detect if a field is NULL? How do I
-   concatenate possible NULLs? How can I sort on whether a field is NULL
-   or not?
    
   4.9) In a query, how do I detect if a field is NULL? How do I concatenate
   possible NULLs? How can I sort on whether a field is NULL or not?

doc/src/FAQ/FAQ.html

@@ -10,7 +10,7 @@
   alink="#0000ff">
     <H1>Frequently Asked Questions (FAQ) for PostgreSQL</H1>
 
-    <P>Last updated: Wed Apr 18 23:05:05 EDT 2007</P>
+    <P>Last updated: Fri Apr 20 09:48:11 EDT 2007</P>
 
     <P>Current maintainer: Bruce Momjian (<A href=
     "mailto:bruce@momjian.us">bruce@momjian.us</A>)
@@ -823,10 +823,6 @@ table?</TD><TD>unlimited</TD></TR>
     case to be stored in the column, use a <SMALL>CHECK</SMALL>
     constraint or a trigger.</P>
 
-     <A href="#item4.9">4.9</A>) In a query, how do I detect if a field
-    is <SMALL>NULL</SMALL>?  How do I concatenate possible <SMALL>NULL</SMALL>s?
-    How can I sort on whether a field is <SMALL> NULL</SMALL> or not?<BR>
-
     <H3 id="item4.9">4.9) In a query, how do I detect if a field
     is <SMALL>NULL</SMALL>?  How do I concatenate possible <SMALL>NULL</SMALL>s?
     How can I sort on whether a field is <SMALL> NULL</SMALL> or not?</H3>