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-rw-r--r--util/format.lua2
1 files changed, 1 insertions, 1 deletions
diff --git a/util/format.lua b/util/format.lua
index 2a29c4f3..43097e6a 100644
--- a/util/format.lua
+++ b/util/format.lua
@@ -79,7 +79,7 @@ local function format(formatstring, ...)
if arg == nil then
args[i] = "(nil)";
else
- args[i] = tostring(arg);
+ args[i] = tostring(arg):gsub("[%z\1-\8\11-\31\127]", control_symbols):gsub("\n\t?", "\n\t");
end
formatstring = formatstring .. " [%s]"
end