diff --git a/Triangle.Compiler/src/test/java/triangle/syntacticAnalyser/TestScanner.java b/Triangle.Compiler/src/test/java/triangle/syntacticAnalyser/TestScanner.java
index 6da34c4..e46ed5d 100644
--- a/Triangle.Compiler/src/test/java/triangle/syntacticAnalyser/TestScanner.java
+++ b/Triangle.Compiler/src/test/java/triangle/syntacticAnalyser/TestScanner.java
@@ -31,6 +31,12 @@ public class TestScanner {
 		compileExpectFailure("/hi-newcomment2.tri");
 	}
 	
+
+	@Test
+	public void testPoundDemo() {
+		compileExpectFailure("/pounddemo.tri");
+	}
+	
 	
 	
 	private void compileExpectSuccess(String filename) {
diff --git a/programs/hi-newcomment.tri b/programs/hi-newcomment.tri
index 74de08e..0929f38 100644
--- a/programs/hi-newcomment.tri
+++ b/programs/hi-newcomment.tri
@@ -1,3 +1,5 @@
+! this won't work until after some work in the practicals
+
 # new comment
 
 begin
diff --git a/programs/hi-newcomment2.tri b/programs/hi-newcomment2.tri
index 1a6fb98..4e764fc 100644
--- a/programs/hi-newcomment2.tri
+++ b/programs/hi-newcomment2.tri
@@ -1,8 +1,10 @@
+! this won't work until after some work in the practicals
+
 # new comment
 
-/*
- * another new comment
- */
+$
+another new comment
+$
 
 begin
  put('H'); put('i'); put('!')
diff --git a/programs/pounddemo.tri b/programs/pounddemo.tri
new file mode 100644
index 0000000..67b42ae
--- /dev/null
+++ b/programs/pounddemo.tri
@@ -0,0 +1,15 @@
+! this won't work until after some work in the practicals
+let
+    var a : Integer;
+    var b : Integer
+
+in
+    begin
+        a := 1;
+        b := 2;
+        
+        putint(a)
+        putint(b)
+        putint(£a)
+        putint(£b)
+    end
\ No newline at end of file