From 5d5a55094f3d35469d75585e776b4a3658ddd4c8 Mon Sep 17 00:00:00 2001
From: Chris Hanson <org/chris-hanson/cph>
Date: Sun, 20 Jan 2019 20:22:28 -0800
Subject: [PATCH] Don't return open block at top level when syntaxing a single
 form.

(cherry picked from commit 71d9d70415cc836d245175a22bf9b937ae26ab15)
---
 src/runtime/syntax.scm | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/runtime/syntax.scm b/src/runtime/syntax.scm
index f76f5dd46..6673bdf00 100644
--- a/src/runtime/syntax.scm
+++ b/src/runtime/syntax.scm
@@ -44,7 +44,12 @@ USA.
 ;;;; Top level
 
 (define (syntax form environment)
-  (syntax* (list form) environment))
+  (let ((result (syntax* (list form) environment)))
+    (if (scode-open-block? result)
+	(unscan-defines (scode-open-block-names result)
+			(scode-open-block-declarations result)
+			(scode-open-block-actions result))
+	result)))
 
 (define (syntax* forms environment)
   (guarantee list? forms 'syntax*)
-- 
2.25.1