diff --git a/JetCore.txt b/JetCore.txt
index bc62a90..a4ef490 100644
--- a/JetCore.txt
+++ b/JetCore.txt
@@ -182,6 +182,10 @@ a variable named 'listing'.
Use the comment tag to create a section in the jet script that can be
used for making comments and is ignored by the jet reader.
+\section{expr}
+
+
+
\section{for}
Use the for tag to iterate a tag container for a logical number of
diff --git a/tests/testjet.jet b/tests/testjet.jet
index 90a1e25..7bfba38 100755
--- a/tests/testjet.jet
+++ b/tests/testjet.jet
@@ -5,9 +5,11 @@
---
- $[modified1]
-
- $[modified1]
+ $[modified1;tohex]
+
+ $[modified1;$[tohex]]
+
+ $[complete]
---
$[nonexistant]
$[%HOME]