From c83069860a4b5f3aa2c64621e52f7877fe2a453a Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Mon, 16 Jan 2017 17:20:52 +0900
Subject: Dots is not needed for base 10 negative numbers; fix #3400

---
 mrbgems/mruby-sprintf/src/sprintf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mrbgems/mruby-sprintf/src/sprintf.c b/mrbgems/mruby-sprintf/src/sprintf.c
index af0ca08ba..616277f5e 100644
--- a/mrbgems/mruby-sprintf/src/sprintf.c
+++ b/mrbgems/mruby-sprintf/src/sprintf.c
@@ -891,7 +891,7 @@ retry:
         }
         else {
           s = nbuf;
-          if (v < 0) {
+          if (base != 10 && v < 0) {
             dots = 1;
           }
           switch (base) {
-- 
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