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-rw-r--r--util/set.lua2
1 files changed, 1 insertions, 1 deletions
diff --git a/util/set.lua b/util/set.lua
index 69dfef5d..6c860c3f 100644
--- a/util/set.lua
+++ b/util/set.lua
@@ -186,7 +186,7 @@ function set_mt.__tostring(set)
for item in pairs(items) do
s[#s+1] = tostring(item);
end
- return t_concat(s, ", ");
+ return "{"..t_concat(s, ", ").."}";
end
return {