--- a/progs/mandelbrot.scala	Wed Mar 20 21:50:20 2019 +0000
+++ b/progs/mandelbrot.scala	Sat Jun 22 08:39:52 2019 +0100
@@ -11,6 +11,7 @@
 import javax.swing.WindowConstants
 import scala.language.implicitConversions    
 
+
 // complex numbers
 case class Complex(val re: Double, val im: Double) { 
   // represents the complex number re + im * i