Binary file handouts/amm-ho.pdf has changed

--- a/handouts/amm-ho.tex	Fri Sep 18 00:34:47 2020 +0100
+++ b/handouts/amm-ho.tex	Mon Sep 21 10:44:48 2020 +0100
@@ -45,11 +45,12 @@
 \noindent
 Ammonite uses the same Scala compiler, just adds some useful features
 on top of it. It is quite main-stream in the Scala community and it should
-therefore be very easy for you to install \texttt{amm}.  The big
-advantage of Ammonite is that it comes with some additional libraries
-already built-in and also allows one to easily break up code into
-smaller modules. For example reading and writing files in Ammonite can
-be achieved with
+therefore be very easy for you to install \texttt{amm}.
+
+The big advantage of Ammonite is that it comes with some additional
+libraries already built-in and also allows one to easily break up code
+into smaller modules. For example reading and writing files in
+Ammonite can be achieved with
 
 \begin{lstlisting}[numbers=none,language=Scala]
 scala> import ammonite.ops._
@@ -61,8 +62,10 @@
 \end{lstlisting}
 
 \noindent
-For loading and accessing code from another Scala file, you can import it
-as follows:
+The latter writes the string \code{"foo bar"} into the file
+\code{"file.name"}, which is located in the current working
+directory. For loading and accessing code from another Scala file, you
+can import it as follows:
 
 \begin{lstlisting}[numbers=none,language=Scala]
 import $file.name-of-the-file

--- a/progs/matcher/re1.sc	Fri Sep 18 00:34:47 2020 +0100
+++ b/progs/matcher/re1.sc	Mon Sep 21 10:44:48 2020 +0100
@@ -17,6 +17,7 @@
 case class SEQ(r1: Rexp, r2: Rexp) extends Rexp  // sequence
 case class STAR(r: Rexp) extends Rexp            // star
 
+
 // nullable function: tests whether a regular 
 // expression can recognise the empty string
 def nullable(r: Rexp) : Boolean = r match {