From b81a6e01dc7ef88cc506bb9da9022692d863a92a Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Mon, 7 Jul 2003 03:46:28 +0000
Subject: [PATCH] (operator<<(std::ostream&, const Position&)): use s.empty()
 rather than s == "" to test for empty string; see
 <http://mail.gnu.org/archive/html/bison-patches/2003-07/msg00003.html>
 (trivial change)

---
 data/lalr1.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/data/lalr1.cc b/data/lalr1.cc
index 0e33541e..1ec45264 100644
--- a/data/lalr1.cc
+++ b/data/lalr1.cc
@@ -1019,7 +1019,7 @@ namespace yy
   inline std::ostream&
   operator<< (std::ostream& ostr, const Position& pos)
   {
-    if (pos.filename != "")
+    if (!pos.filename.empty ())
       ostr << pos.filename << ':';
     return ostr << pos.line << '.' << pos.column;
   }
-- 
2.45.2