--- a/ChengsongTanPhdThesis/Chapters/Introduction.tex	Mon Jun 06 16:45:42 2022 +0100
+++ b/ChengsongTanPhdThesis/Chapters/Introduction.tex	Mon Jun 06 23:17:45 2022 +0100
@@ -37,6 +37,7 @@
 
 \newcommand\myequiv{\mathrel{\stackrel{\makebox[0pt]{\mbox{\normalfont\tiny equiv}}}{=}}}
 
+\def\code{\textit{code}}
 \def\decode{\textit{decode}}
 \def\internalise{\textit{internalise}}
 \def\lexer{\mathit{lexer}}