diff --git a/tests/expr.rem b/tests/expr.rem
index c33ffd66..eabfa456 100644
--- a/tests/expr.rem
+++ b/tests/expr.rem
@@ -49,3 +49,7 @@ set a 15:00 - 14:44
 set a (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+1))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))
 
 set a (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+1)))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))
+
+set a isany(1)
+set a isany(1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6)
+set a isany("foo", 1 + 1, 2:00 + 1, '2021-01-01' + 1, '2021-01-01@14:00' + 1, "f" + "oo", "fo" + "o")
diff --git a/tests/test.cmp b/tests/test.cmp
index 779bfd90..b0ccf906 100644
--- a/tests/test.cmp
+++ b/tests/test.cmp
@@ -12341,6 +12341,20 @@ Parsed expression: (1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(1+(
 1 + 247 => 248
 1 + 248 => 249
 1 + 249 => 250
+Parsed expression: isany(1)
+  => (Isany 1)
+isany(1) => 0
+Parsed expression: isany(1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6)
+  => (Isany 1 2 3 4 5 6 1 2 3 4 5 6)
+isany(1, 2, 3, 4, 5, 6, 1, ?, ?, ?, ?, ?) => 1
+Parsed expression: isany("foo", 1 + 1, 2:00 + 1, '2021-01-01' + 1, '2021-01-01@14:00' + 1, "f" + "oo", "fo" + "o")
+  => (Isany "foo" (+ 1 1) (+ 02:00 1) (+ 2021-01-01 1) (+ 2021-01-01@14:00 1) (+ "f" "oo") (+ "fo" "o"))
+1 + 1 => 2
+02:00 + 1 => 02:01
+2021-01-01 + 1 => 2021-01-02
+2021-01-01@14:00 + 1 => 2021-01-01@14:01
+"f" + "oo" => "foo"
+isany("foo", 2, 02:01, 2021-01-02, 2021-01-01@14:01, "foo", ?) => 1
 No reminders.
  Expression nodes allocated: 512
 Expression nodes high-water: 499