Use const &.

diff --git a/src/RowPainter.cpp b/src/RowPainter.cpp
index 5b3e6472eddcbae55ca2362e678b32bfdfc368c8..a50d8f8120f33bd929d1bdd0283fe68507f51398 100644 (file)
--- a/src/RowPainter.cpp
+++ b/src/RowPainter.cpp
@@ -387,7 +387,7 @@ void RowPainter::paintFirst() const
 
 void RowPainter::paintLabel() const
 {
-       docstring const str = par_.labelString();
+       docstring const & str = par_.labelString();
        if (str.empty())
                return;