diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index 507bc1a6683..1ea88a8c671 100644
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -2309,15 +2309,11 @@ repeat('Pg', 4) <returnvalue>PgPgPgPg</returnvalue>
 
    <note>
     <para>
-     Before <productname>PostgreSQL</productname> 8.3, these functions would
-     silently accept values of several non-string data types as well, due to
-     the presence of implicit coercions from those data types to
-     <type>text</type>.  Those coercions have been removed because they frequently
-     caused surprising behaviors.  However, the string concatenation operator
-     (<literal>||</literal>) still accepts non-string input, so long as at least one
-     input is of a string type, as shown in <xref
-     linkend="functions-string-sql"/>.  For other cases, insert an explicit
-     coercion to <type>text</type> if you need to duplicate the previous behavior.
+     The string concatenation operator (<literal>||</literal>) will accept
+     non-string input, so long as at least one input is of string type, as shown
+     in <xref linkend="functions-string-sql"/>.  For other cases, inserting an
+     explicit coercion to <type>text</type> can be used to have non-string input
+     accepted.
     </para>
    </note>
 
@@ -17368,10 +17364,7 @@ SELECT NULLIF(value, '(none)') ...
    (last subscript varies most rapidly).
    If the contents of two arrays are equal but the dimensionality is
    different, the first difference in the dimensionality information
-   determines the sort order.  (This is a change from versions of
-   <productname>PostgreSQL</productname> prior to 8.2: older versions would claim
-   that two arrays with the same contents were equal, even if the
-   number of dimensions or subscript ranges were different.)
+   determines the sort order.
   </para>
 
    <table id="array-operators-table">
diff --git a/doc/src/sgml/gin.sgml b/doc/src/sgml/gin.sgml
index 67754f52f64..d68d12d515c 100644
--- a/doc/src/sgml/gin.sgml
+++ b/doc/src/sgml/gin.sgml
@@ -507,7 +507,7 @@
    Updating a <acronym>GIN</acronym> index tends to be slow because of the
    intrinsic nature of inverted indexes: inserting or updating one heap row
    can cause many inserts into the index (one for each key extracted
-   from the indexed item). As of <productname>PostgreSQL</productname> 8.4,
+   from the indexed item).
    <acronym>GIN</acronym> is capable of postponing much of this work by inserting
    new tuples into a temporary, unsorted list of pending entries.
    When the table is vacuumed or autoanalyzed, or when
@@ -576,10 +576,10 @@
     </para>
 
     <para>
-     As of <productname>PostgreSQL</productname> 8.4, this advice is less
-     necessary since delayed indexing is used (see <xref
-     linkend="gin-fast-update"/> for details).  But for very large updates
-     it may still be best to drop and recreate the index.
+     When <literal>fastupdate</literal> is enabled for <acronym>GIN</acronym>
+     (see <xref linkend="gin-fast-update"/> for details), the penalty is
+     less than when it is not.  But for very large updates it may still be
+     best to drop and recreate the index.
     </para>
    </listitem>
   </varlistentry>
diff --git a/doc/src/sgml/ref/select.sgml b/doc/src/sgml/ref/select.sgml
index 472b7cae812..6757033e096 100644
--- a/doc/src/sgml/ref/select.sgml
+++ b/doc/src/sgml/ref/select.sgml
@@ -1934,18 +1934,6 @@ SELECT 2+2;
     by introducing a dummy one-row table from which to do the
     <command>SELECT</command>.
    </para>
-
-   <para>
-    Note that if a <literal>FROM</literal> clause is not specified,
-    the query cannot reference any database tables. For example, the
-    following query is invalid:
-<programlisting>
-SELECT distributors.* WHERE distributors.name = 'Westward';
-</programlisting><productname>PostgreSQL</productname> releases prior to
-    8.1 would accept queries of this form, and add an implicit entry
-    to the query's <literal>FROM</literal> clause for each table
-    referenced by the query. This is no longer allowed.
-   </para>
   </refsect2>
 
   <refsect2>