From 0e8adbcb8e8190654d51e385a2845eb890414889 Mon Sep 17 00:00:00 2001
From: Renzhong Zhang <renzhong915@gmail.com>
Date: Wed, 5 Jun 2024 17:25:21 +0800
Subject: [PATCH] fixbug: there is a ',' before 'quantile=' when labels is
 empty

---
 src/bvar/multi_dimension_inl.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/bvar/multi_dimension_inl.h b/src/bvar/multi_dimension_inl.h
index 11b0bd5d5b..212f431b96 100644
--- a/src/bvar/multi_dimension_inl.h
+++ b/src/bvar/multi_dimension_inl.h
@@ -372,7 +372,7 @@ void MultiDimension<T>::make_labels_kvpair_string(std::ostream& os,
         comma[0] = ',';
     }
     if (quantile > 0) {
-        os << ",quantile=\"" << quantile << "\"";
+        os << comma << "quantile=\"" << quantile << "\"";
     }
     os << "}";
 }