Improved(?) string subtraction example

I think your take away function needs to be in keeping with the others... ;) It met with a shake of the head from my friend's 14 year old daughter so that's got to be a plus vote. Signed-off-by: David Greaves <[email protected]>
Kajon2018 · Dec 1, 2018 · 1dc8119 · 1dc8119
1 parent 2079c5e
commit 1dc8119
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/book/book.tex b/book/book.tex
@@ -1644,7 +1644,7 @@ \section{String operations}
 if the strings look like numbers, so the following are illegal:
 
 \begin{verbatim}
-'2'-'1'    'eggs'/'easy'    'third'*'a charm'
+'chinese'-'food'    'eggs'/'easy'    'third'*'a charm'
 \end{verbatim}
 %
 But there are two exceptions, {\tt +} and {\tt *}.