From 1747cddb45769bd61b8794ca3681bb393d06725d Mon Sep 17 00:00:00 2001
From: bob <bcz@cs.brown.edu>
Date: Wed, 18 Dec 2019 13:50:43 -0500
Subject: render fix?

---
 src/client/views/nodes/DocumentView.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/client/views/nodes/DocumentView.tsx')

diff --git a/src/client/views/nodes/DocumentView.tsx b/src/client/views/nodes/DocumentView.tsx
index 8d3c3126d..0753ad632 100644
--- a/src/client/views/nodes/DocumentView.tsx
+++ b/src/client/views/nodes/DocumentView.tsx
@@ -723,7 +723,7 @@ export class DocumentView extends DocComponent<DocumentViewProps, Document>(Docu
     }
 
     render() {
-        if (!this.props.Document) return (null);
+        if (!(this.props.Document instanceof Doc)) return (null);
         const ruleColor = this.props.ruleProvider ? StrCast(this.props.ruleProvider["ruleColor_" + this.Document.heading]) : undefined;
         const ruleRounding = this.props.ruleProvider ? StrCast(this.props.ruleProvider["ruleRounding_" + this.Document.heading]) : undefined;
         const colorSet = this.setsLayoutProp("backgroundColor");
-- 
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