--- doc/src/sgml/func.sgml.orig	2023-03-29 12:45:45.013598284 +0200
+++ doc/src/sgml/func.sgml	2023-03-29 14:24:41.966456134 +0200
@@ -15830,10 +15830,10 @@
          Constructs a JSON array from either a series of
          <replaceable>value_expression</replaceable> parameters or from the results
          of <replaceable>query_expression</replaceable>,
-         which must be a SELECT query returning a single column. If
-         <literal>ABSENT ON NULL</literal> is specified, NULL values are ignored.
-         This is always the case if a
-         <replaceable>query_expression</replaceable> is used.
+         which must be a SELECT query returning a single column. 
+         If the input is a series of value_expressions, NULL values are omitted
+         unless NULL ON NULL is specified.  If a query_expression is used NULLs
+         are always ignored.
         </para>
         <para>
          <literal>json_array(1,true,json '{"a":null}')</literal>
@@ -20310,13 +20310,14 @@
         <optional> <literal>ORDER BY</literal> <replaceable>sort_expression</replaceable> </optional>
         <optional> { <literal>NULL</literal> | <literal>ABSENT</literal> } <literal>ON NULL</literal> </optional>
         <optional> <literal>RETURNING</literal> <replaceable>data_type</replaceable> <optional> <literal>FORMAT JSON</literal> <optional> <literal>ENCODING UTF8</literal> </optional> </optional> </optional>)
+        <returnvalue>json</returnvalue>
        </para>
        <para>
         Behaves in the same way as <function>json_array</function>
         but as an aggregate function so it only takes one
         <replaceable>value_expression</replaceable> parameter.
-        If <literal>ABSENT ON NULL</literal> is specified, any NULL
-        values are omitted.
+        NULL values are omitted unless </literal>NULL ON NULL</literal>
+        is specified.
         If <literal>ORDER BY</literal> is specified, the elements will
         appear in the array in that order rather than in the input order.
        </para>