Allow arguments before and after block-formatted functions.

test/splitting/arguments.stmt

Index: test/splitting/arguments.stmt
diff --git a/test/splitting/arguments.stmt b/test/splitting/arguments.stmt
index bffa08c24aab2c4876751bf99cc03b92f80ca0c2..6a292dc097a32fac0aaad5f66c21105b8af85e5f 100644
--- a/test/splitting/arguments.stmt
+++ b/test/splitting/arguments.stmt
@@ -176,7 +176,7 @@ function([
   'other key': value,
   'third key': value
 });
->>> non-body non-preceding argument forces all bodies to indent
+>>> non-collection non-preceding argument forces all collections to indent
 function([element, element, element, element], argument,
 {'key': value, 'other key': value, 'third key': value}, () {;});
 <<<
@@ -192,7 +192,6 @@ function(
       'key': value,
       'other key': value,
       'third key': value
-    },
-    () {
-      ;
-    });
+    }, () {
+  ;
+});