show the cases the comments were describing

tools/sextest/sextest.scm

@@ -87,10 +87,9 @@
     ;; `process' returns one record; `process-input-port' is named from
     ;; the child's side, so it is the port we write to.
     ;;
-    ;; Sex has no symbol escaping -- `|' is an operator there, not a
-    ;; quote -- so the forms go out the way they were written. Left to
-    ;; escape, `||' would leave here as `|\|\||' and reach sexc as a
-    ;; different symbol.
+    ;; Sex reads no symbol escaping -- `|' is an operator there. Left
+    ;; on, `(|| a b)' leaves here as `(|\|\|| a b)' and reaches sexc
+    ;; as a different symbol.
     (let* ((proc (process compiler (append (list "-o" compiled-file) flags)))
            (sexc-stdin (process-input-port proc)))
       (symbol-escape #f)