From 122ef3a22ec72ac726469fc6c7e0ef85e5d9da13 Mon Sep 17 00:00:00 2001
From: rudolfkoenig <rudolfkoenig@2b470e98-0d58-463d-a4d8-8e2adae1ed80>
Date: Sat, 4 Feb 2017 17:27:32 +0000
Subject: [PATCH] FHEM/98_SVG.pm: check fir currval for XY graphs (Forum
 #66409)

git-svn-id: https://svn.fhem.de/fhem/trunk@13329 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/98_SVG.pm | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fhem/FHEM/98_SVG.pm b/fhem/FHEM/98_SVG.pm
index aa8e274e2..3414a7eeb 100755
--- a/fhem/FHEM/98_SVG.pm
+++ b/fhem/FHEM/98_SVG.pm
@@ -2077,7 +2077,8 @@ SVG_render($$$$$$$$$$)
     my $t = $conf{lTitle}[$i];
     next if( !$t );
     my $desc = "";
-    if(defined($data{"min$j"}) && $data{"min$j"} ne "undef") {
+    if(defined($data{"min$j"})     && $data{"min$j"}     ne "undef" &&
+       defined($data{"currval$j"}) && $data{"currval$j"} ne "undef") {
       $desc = sprintf("%s: Min:%g Max:%g Last:%g",
         $t, $data{"min$j"}, $data{"max$j"}, $data{"currval$j"});
     }