diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
new file mode 100644
index 3786099..1684189
*** a/doc/src/sgml/func.sgml
--- b/doc/src/sgml/func.sgml
***************
*** 2363,2369 ****
  
     <para>
     See also the aggregate function <function>string_agg</function> in
!    <xref linkend="functions-aggregate"/>.
     </para>
  
     <table id="conversion-names">
--- 2363,2371 ----
  
     <para>
     See also the aggregate function <function>string_agg</function> in
!    <xref linkend="functions-aggregate"/>, and the array functions
!    <function>array_to_string</function> and <function>string_to_array</function>
!    in <xref linkend="functions-array"/>.
     </para>
  
     <table id="conversion-names">
*************** NULL baz</literallayout>(3 rows)</entry>
*** 13163,13169 ****
  
     <para>
      See also <xref linkend="functions-aggregate"/> about the aggregate
!     function <function>array_agg</function> for use with arrays.
     </para>
    </sect1>
  
--- 13165,13173 ----
  
     <para>
      See also <xref linkend="functions-aggregate"/> about the aggregate
!     function <function>array_agg</function> for use with arrays, and
!     <xref linkend="functions-string"/> about the regular expression function
!     <function>regexp_split_to_array</function>.
     </para>
    </sect1>