diff --git a/doc/src/sgml/ref/create_table.sgml b/doc/src/sgml/ref/create_table.sgml
new file mode 100644
index a422edd..e0b8a4e
*** a/doc/src/sgml/ref/create_table.sgml
--- b/doc/src/sgml/ref/create_table.sgml
*************** CREATE [ [ GLOBAL | LOCAL ] { TEMPORARY
*** 329,335 ****
       </para>
       <para>
        Default expressions for the copied column definitions will only be
!       copied if <literal>INCLUDING DEFAULTS</literal> is specified.  The
        default behavior is to exclude default expressions, resulting in the
        copied columns in the new table having null defaults.
       </para>
--- 329,338 ----
       </para>
       <para>
        Default expressions for the copied column definitions will only be
!       copied if <literal>INCLUDING DEFAULTS</literal> is specified. 
!       Defaults that call database-modification functions, like
!       <function>nextval</>, create a linkage between the original and
!       new tables.  The
        default behavior is to exclude default expressions, resulting in the
        copied columns in the new table having null defaults.
       </para>
