diff -r 178438912e5f -r 50a3b874008a cws/cw05.tex
--- a/cws/cw05.tex	Fri Dec 14 20:01:49 2018 +0000
+++ b/cws/cw05.tex	Sat Dec 15 13:46:54 2018 +0000
@@ -12,9 +12,6 @@
 
 \begin{document}
 
-% BF IDE
-% https://www.microsoft.com/en-us/p/brainf-ck/9nblgggzhvq5
-  
 \section*{Coursework 10 (Scala)}
 
 This coursework is worth 10\%. It is about a small programming
@@ -101,7 +98,15 @@
 be implemented in brainf***. It just takes a lot of determination and
 quite a lot of memory resources. Some relatively sophisticated sample
 programs in brainf*** are given in the file \texttt{bf.scala}, including
-a brainf*** program for the Sierpinski triangle and the Mandelbrot set.\bigskip
+a brainf*** program for the Sierpinski triangle and the Mandelbrot set.
+There seems to be even a dedicated Windows IDE for bf programs, though
+I am not sure whether this is just an elaborate April fools' joke---judge
+yourself:
+
+\begin{center}
+\url{https://www.microsoft.com/en-us/p/brainf-ck/9nblgggzhvq5}
+\end{center}  
+
 
 \noindent
 As mentioned above, brainf*** has 8 single-character commands, namely