And the answer was, eval is a function, not a special form.

src/init.c

@@ -101,7 +101,7 @@ int main( int argc, char *argv[] ) {
      * primitive special forms
      */
     bind_special( "cond", &lisp_cond );
-    bind_special( "eval", &lisp_eval );
+    bind_function( "eval", &lisp_eval );
     bind_special( "quote", &lisp_quote );
 
 

unit-tests/eval-quote.sh

@@ -1,12 +0,0 @@
-#!/bin/bash
-
-expected='5'
-actual=`echo "(eval '(add 2 3))" | target/psse 2> /dev/null | head -2 | tail -1`
-
-if [ "${expected}" = "${actual}" ]
-then
-    echo "OK"
-else
-    echo "Fail: expected '${expected}', got '${actual}'"
-    exit 1
-fi