Most of RVM desugaring done in first draft, for TQ to check.

src/parsers/and.c

@@ -16,6 +16,7 @@ static const HParserVtable and_vt = {
 				to get right, so we're leaving it for a future
 				revision. --mlp, 18/12/12 */
   .isValidCF = h_false,      /* despite TODO above, this remains false. */
+  .compile_to_rvm = h_not_regular,
 };