diff --git a/examples/hello.modal b/examples/hello.modal
new file mode 100644
index 0000000..dd63d61
--- /dev/null
+++ b/examples/hello.modal
@@ -0,0 +1,4 @@
+<> (?x dup) (?x ?x)
+<> (?x ?y swap) (?y ?x)
+
+foo ((A B swap) dup)
\ No newline at end of file
diff --git a/examples/test.modal b/examples/test.modal
index dd63d61..a520c1c 100644
--- a/examples/test.modal
+++ b/examples/test.modal
@@ -1,4 +1,3 @@
-<> (?x dup) (?x ?x)
-<> (?x ?y swap) (?y ?x)
+<> (duppre ?x) (?x ?x)
 
-foo ((A B swap) dup)
\ No newline at end of file
+what (duppre twice)
\ No newline at end of file
diff --git a/src/modal.c b/src/modal.c
index fd7fa6f..8ab0a04 100644
--- a/src/modal.c
+++ b/src/modal.c
@@ -128,8 +128,11 @@ tokenize(char *t, FILE *f)
 		r->a = parse_rulefrag(f), r->b = parse_rulefrag(f);
 		return;
 	}
+	while((c = *t++))
+		*prog_++ = c;
+	*prog_++ = ' ';
 	while(f && fread(&c, 1, 1, f) && c)
-		*prog_++ = c == 0xa ? 0x20 : c;
+		*prog_++ = c == 0xa ? ' ' : c;
 }
 
 static int