diff --git a/language/types.xml b/language/types.xml
index 816eccdc11..f01ee85296 100644
--- a/language/types.xml
+++ b/language/types.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.122 $ -->
+<!-- $Revision: 1.123 $ -->
  <chapter id="language.types">
   <title>Types</title>
 
@@ -1317,12 +1317,8 @@ echo $arr["somearray"]["a"];  // 42
      <para>
       If you do not specify a key for a given value, then the maximum
       of the integer indices is taken, and the new key will be that
-      maximum value + 1--unless that maximum value is negative (is it
-      perfectly legal to have negative array indices). In this case,
-      the new key will be <literal>0</literal>.  If no integer indices
-      exist yet, the key will be <literal>0</literal> (zero). If you
-      specify a key that already has a value assigned to it, that
-      value will be overwritten.
+      maximum value + 1. If you specify a key that already has a value
+      assigned to it, that value will be overwritten.
       <informalexample>
        <programlisting role="php">
 <![CDATA[
@@ -1337,6 +1333,16 @@ array(5 => 43, 6 => 32, 7 => 56, "b" => 12);
        </programlisting>
       </informalexample>
      </para>
+     <warning>
+      <simpara>
+         As of PHP 4.3.0, the index generation behaviour described
+         above has changed. Now, if you append to an array in which
+         the current maximum key is negative, then the next key
+         created will be zero (<literal>0</literal>). Before, the new
+         index would have been set to the largest existing key + 1,
+         the same as positive indices are.
+      </simpara>
+     </warning>
      <para>
       Using &true; as a key will evaluate to <type>integer</type>
       <literal>1</literal> as key. Using &false; as a key will evaluate
@@ -1397,13 +1403,22 @@ unset($arr);    // This deletes the whole array
       <para>
        As mentioned above, if you provide the brackets with no key
        specified, then the maximum of the existing integer indices is
-       taken, and the new key will be that maximum value + 1--unless
-       that maximum value is negative (is it perfectly legal to have
-       negative array indices). In this case, the new key will be
-       <literal>0</literal>.  If no integer indices exist yet, the key
-       will be <literal>0</literal> (zero). If you specify a key that
-       already has a value assigned to it, that value will be
-       overwritten. 
+       taken, and the new key will be that maximum value + 1 . If no
+       integer indices exist yet, the key will be <literal>0</literal>
+       (zero). If you specify a key that already has a value assigned
+       to it, that value will be overwritten.
+      </para>
+      <para>
+       <warning>
+        <simpara>
+         As of PHP 4.3.0, the index generation behaviour described
+         above has changed. Now, if you append to an array in which
+         the current maximum key is negative, then the next key
+         created will be zero (<literal>0</literal>). Before, the new
+         index would have been set to the largest existing key + 1,
+         the same as positive indices are.
+        </simpara>
+       </warning>
       </para>
       <para>
        Note that the maximum integer key used for this <emphasis>need