git » jacl.git » commit 1ae81fb

diff --git a/paper/jacl-els-2020.tex b/paper/jacl-els-2020.tex
index a1190e1..d77c3a4 100644
--- a/paper/jacl-els-2020.tex
+++ b/paper/jacl-els-2020.tex
@@ -448,10 +448,11 @@ understanding the AST, since every AST node contains a copy of all
 relevant context. As JavaScript objects, AST nodes are easily
 introspected using the Web browser's object inspector.
 
-Currently, the \texttt{Env} object tracks lexical variables and
-\texttt{TAGBODY} tags. In the future, it will track the remaining
-aspects of the lexical environment, such as lexical functions and
-macros.
+Currently, the \texttt{Env} object tracks evaluation context --- one
+of \emph{statement}, \emph{expression}, or \emph{return} --- lexical
+variables, and \texttt{TAGBODY} tags. In the future, it will track the
+remaining aspects of the lexical environment, such as lexical
+functions and macros.
 
 \subsubsection{Embedding JavaScript with \texttt{JACL:\%JS}}