From 1b99789c8bdb585a635bdffc8cf63023c26d3028 Mon Sep 17 00:00:00 2001
From: Albert Graef <aggraef@gmail.com>
Date: Sat, 13 Aug 2022 23:20:32 +0200
Subject: [PATCH] Fix null string in help browser.

---
 pd/nw/dialog_search.html | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pd/nw/dialog_search.html b/pd/nw/dialog_search.html
index 74a7e95ef..618804612 100644
--- a/pd/nw/dialog_search.html
+++ b/pd/nw/dialog_search.html
@@ -837,7 +837,8 @@ function display_doc(doc) {
     }
     if (doc.related_objects) {
         var p_rel_objs = document.createElement("p");
-        var ref_rel_objs = doc.ref_related_objects.split("\,");
+        var ref_rel_objs = doc.ref_related_objects == null
+            ? [] : doc.ref_related_objects.split("\,");
         p_rel_objs.innerHTML = "Related objects: ".bold();
         doc.related_objects.split(" ").forEach(function (rel_obj, i, a) {
             let link_rel_obj = rel_obj;
-- 
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