
diff -r 5d01eccc2036 -r c3dd3a98f919 cws/cw02.tex
--- a/cws/cw02.tex	Fri Sep 26 23:10:52 2025 +0100
+++ b/cws/cw02.tex	Sun Sep 28 14:03:59 2025 +0100
@@ -35,11 +35,13 @@
 \subsection*{Disclaimer\alert}
 
 It should be understood that the work you submit represents
-your own effort. You have not copied from anyone else
-including CoPilot, ChatGPT \& Co. An
+your own effort. 
+%You have not copied from anyone else
+%including CoPilot, ChatGPT \& Co. 
+An
 exception is the Scala code from KEATS and the code I showed
 during the lectures, which you can both freely use. You can
-also use your own code from the CW~1.
+also use your own code from CW~1.
 %But do not
 %be tempted to ask Github Copilot for help or do any other
 %shenanigans like this!
@@ -104,7 +106,7 @@
   \texttt{$\backslash$t} or \texttt{$\backslash$r}
 \item identifiers are letters followed by underscores \texttt{\_\!\_}, letters
   or digits  
-\item numbers for numbers give 
+\item for numbers give 
 a regular expression that can recognise \pcode{0}, but not numbers 
 with leading zeroes, such as \pcode{001}
 \item strings are enclosed by double quotes, like \texttt{"\ldots"}, and consisting of
@@ -152,7 +154,7 @@
 this you need to implement the functions $nullable$ and $der$
 (you can use your code from CW~1), as well as $mkeps$ and
 $inj$. These functions need to be appropriately extended for
-the extended regular expressions from Q1. The definitions
+the extended regular expressions from Task 1. The definitions
 you need to create are:
 
 
@@ -195,7 +197,7 @@
 
 \noindent
 Finally make that the function \texttt{lexing\_simp} generates
-with the regular expression from Q1 for the string
+with the regular expression from Task 1 for the string
 
 \begin{center}
 \code{"read n;"}
@@ -214,7 +216,7 @@
 
 \subsection*{Task 3}
 
-Make sure your lexer from Q2 also simplifies regular expressions after
+Make sure your lexer from Task 2 also simplifies regular expressions after
 each derivation step and rectifies the computed values after each
 injection. Use this lexer to tokenise the six WHILE programs
 in the \texttt{examples} directory. Make sure that the \texttt{tokenise}




