From 77e216e323271fb85d508b7206b13c980540b74b Mon Sep 17 00:00:00 2001
From: Hans Hagen <pragma@wxs.nl>
Date: Sat, 12 May 2018 01:19:03 +0200
Subject: 2018-05-12 00:16:00

---
 tex/context/base/mkiv/l-table.lua | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'tex/context/base/mkiv/l-table.lua')

diff --git a/tex/context/base/mkiv/l-table.lua b/tex/context/base/mkiv/l-table.lua
index 788d1511f..04c318792 100644
--- a/tex/context/base/mkiv/l-table.lua
+++ b/tex/context/base/mkiv/l-table.lua
@@ -1239,13 +1239,20 @@ end
 local function sequenced(t,sep,simple)
     if not t then
         return ""
+    elseif type(t) == "string" then
+        return t -- handy fallback
     end
     local n = #t
     local s = { }
     if n > 0 then
         -- indexed
         for i=1,n do
-            s[i] = tostring(t[i])
+            local v = t[i]
+            if type(v) == "table" then
+                s[i] = "{" .. sequenced(v,sep,simple) .. "}"
+            else
+                s[i] = tostring(t[i])
+            end
         end
     else
         -- hashed
-- 
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