This once again does NOT compile. I've done work on macros; they don't work yet..

unit-tests/progn.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+
+result=0
+
+echo -n "$0: progn with one form... "
+expected='5'
+actual=`echo "(progn (add 2 3))" | target/psse | tail -1`
+
+if [ "${expected}" = "${actual}" ]
+then
+    echo "OK"
+else
+    echo "Fail: expected '${expected}', got '${actual}'"
+    result=`echo "${result} + 1" | bc`
+fi
+
+echo -n "$0: progn with two forms... "
+expected='"foo"'
+actual=`echo "(progn (add 2.5 3) \"foo\")" | target/psse | tail -1`
+
+if [ "${expected}" = "${actual}" ]
+then
+    echo "OK"
+else
+    echo "Fail: expected '${expected}', got '${actual}'"
+    result=`echo "${result} + 1" | bc`
+fi
+
+exit ${result}