From d1ec685694aff1c0fa87b47fb2ea4775dacf1ea7 Mon Sep 17 00:00:00 2001
From: Dima Kogan <dkogan@cds.caltech.edu>
Date: Wed, 15 Sep 2010 21:55:44 -0700
Subject: [PATCH] I now check for defined-ness of the legend instead of its
 truth. As a result I can now have a '0' legend

---
 feedGnuplot.pl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/feedGnuplot.pl b/feedGnuplot.pl
index 1a722af..91902a9 100755
--- a/feedGnuplot.pl
+++ b/feedGnuplot.pl
@@ -515,8 +515,8 @@ sub newCurve
     $idx = $#curves;
   }
 
-  if($title) { $opts = "title \"$title\" $opts" }
-  else       { $opts = "notitle $opts" }
+  if(defined $title) { $opts = "title \"$title\" $opts" }
+  else               { $opts = "notitle $opts" }
 
   if( defined $newpoint )
   {