diff -ur root-6.16.00.orig/tutorials/v7/line.cxx root-6.16.00/tutorials/v7/line.cxx
--- root-6.16.00.orig/tutorials/v7/line.cxx	2019-01-23 09:23:37.000000000 +0100
+++ root-6.16.00/tutorials/v7/line.cxx	2019-05-17 11:02:14.378664352 +0200
@@ -6,7 +6,6 @@
 /// "normal" coordinates' system and changing the line color linearly from black
 /// to red.
 ///
-/// \macro_image (line.png)
 /// \macro_code
 ///
 /// \date 2018-03-18