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-rw-r--r--advtrains/advtrains/init.lua1
1 files changed, 1 insertions, 0 deletions
diff --git a/advtrains/advtrains/init.lua b/advtrains/advtrains/init.lua
index bbb8713..4ebde24 100644
--- a/advtrains/advtrains/init.lua
+++ b/advtrains/advtrains/init.lua
@@ -43,6 +43,7 @@ advtrains.modpath = minetest.get_modpath("advtrains")
function advtrains.print_concat_table(a)
local str=""
local stra=""
+ local t
for i=1,20 do
t=a[i]
if t==nil then