Add notice about order of values in GROUP_CONCAT and ARRAY_AGG

h2/src/docsrc/help/help.csv

@@ -3542,6 +3542,8 @@ Concatenates strings with a separator.
 The default separator is a ',' (without space).
 This method returns a string.
 If no rows are selected, the result is NULL.
+If ORDER BY is not specified order of strings is not determined.
+Note that when this aggregate is used with OVER clause its ORDER BY subclause does not enforce exact order of strings.
 Aggregates are only allowed in select statements.
 ","
 GROUP_CONCAT(NAME ORDER BY ID SEPARATOR ', ')
@@ -3555,6 +3557,8 @@ ARRAY_AGG ( [ DISTINCT|ALL ] string
 Aggregate the value into an array.
 This method returns an array.
 If no rows are selected, the result is NULL.
+If ORDER BY is not specified order of values is not determined.
+Note that when this aggregate is used with OVER clause its ORDER BY subclause does not enforce exact order of values.
 Aggregates are only allowed in select statements.
 ","
 ARRAY_AGG(NAME ORDER BY ID)

h2/src/tools/org/h2/build/doc/dictionary.txt

@@ -805,4 +805,4 @@ queryparser tokenized freeze factorings recompilation unenclosed rfe dsync
 econd irst bcef ordinality nord unnest
 analyst occupation distributive josaph aor engineer sajeewa isuru randil kevin doctor businessman artist ashan
 corrupts splitted disruption unintentional octets preconditions predicates subq objectweb insn opcodes
-preserves masking holder unboxing avert iae transformed subtle reevaluate exclusions
+preserves masking holder unboxing avert iae transformed subtle reevaluate exclusions subclause