Remove references to pre-7.1; too old.

doc/FAQ

@@ -1,7 +1,7 @@
 
                 Frequently Asked Questions (FAQ) for PostgreSQL
                                        
-   Last updated: Thu Jul 11 12:35:53 EDT 2002
+   Last updated: Thu Jul 11 12:37:48 EDT 2002
    
    Current maintainer: Bruce Momjian (pgman@candle.pha.pa.us)
    
@@ -803,7 +803,7 @@
     
    The ~ operator does regular expression matching, and ~* does
    case-insensitive regular expression matching. The case-insensitive
-   variant of LIKE is called ILIKE in PostgreSQL 7.1 and later.
+   variant of LIKE is called ILIKE.
    
    Case-insensitive equality comparisons are normally expressed as:
     SELECT *
@@ -956,10 +956,9 @@ BYTEA           bytea           variable-length byte array (null-byte safe)
    
     4.18) Why do I get the error "ERROR: Memory exhausted in AllocSetAlloc()"?
     
-   If you are running a version older than 7.1, an upgrade may fix the
-   problem. Also it is possible you have run out of virtual memory on
-   your system, or your kernel has a low limit for certain resources. Try
-   this before starting postmaster:
+   You probably have run out of virtual memory on your system, or your
+   kernel has a low limit for certain resources. Try this before starting
+   postmaster:
     ulimit -d 262144
     limit datasize 256m
 
@@ -1012,8 +1011,8 @@ SELECT *
    
     4.23) How do I perform an outer join?
     
-   PostgreSQL 7.1 and later supports outer joins using the SQL standard
-   syntax. Here are two examples:
+   PostgreSQL supports outer joins using the SQL standard syntax. Here
+   are two examples:
     SELECT *
     FROM t1 LEFT OUTER JOIN t2 ON (t1.col = t2.col);