From c03c527fd207b4ad8f5a8e0f4f2c176bd227c979 Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Mon, 15 Feb 2021 13:31:45 -0300
Subject: Bug: 'string.concat' error message uses wrong format

---
 testes/strings.lua | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'testes')

diff --git a/testes/strings.lua b/testes/strings.lua
index 2fa4a89f..61a06a25 100644
--- a/testes/strings.lua
+++ b/testes/strings.lua
@@ -361,6 +361,9 @@ assert(load("return 1\n--comment without ending EOL")() == 1)
 
 
 checkerror("table expected", table.concat, 3)
+checkerror("at index " .. maxi, table.concat, {}, " ", maxi, maxi)
+-- '%' escapes following minus signal
+checkerror("at index %" .. mini, table.concat, {}, " ", mini, mini)
 assert(table.concat{} == "")
 assert(table.concat({}, 'x') == "")
 assert(table.concat({'\0', '\0\1', '\0\1\2'}, '.\0.') == "\0.\0.\0\1.\0.\0\1\2")
-- 
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