From aa311320d92b2982dd4606156882686cc354e551 Mon Sep 17 00:00:00 2001
From: Poommetee Ketson <poommetee@protonmail.com>
Date: Fri, 9 Nov 2018 15:27:06 +0700
Subject: [PATCH] Fix formatting -0.0 by %+f displays +-0.0

---
 core/ustring.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/ustring.cpp b/core/ustring.cpp
index 2191bb5e236..3f017fa985f 100644
--- a/core/ustring.cpp
+++ b/core/ustring.cpp
@@ -4035,7 +4035,7 @@ String String::sprintf(const Array &values, bool *error) const {
 					str = str.pad_decimals(min_decimals);
 
 					// Show sign
-					if (show_sign && value >= 0) {
+					if (show_sign && str.left(1) != "-") {
 						str = str.insert(0, "+");
 					}