Add p_set_input_index()

spec/test_parse_inner_nested.c

@@ -48,7 +48,7 @@ size_t mylexfn(p_context_t * context, p_token_info_t * out_token_info)
         /* Replace the '(' token with a synthesized num carrying the nested
          * parse result. */
         out_token_info->token = TOKEN_num;
-        out_token_info->pvalue.v_default = value;
+        out_token_info->pvalue = p_value(value);
     }
     return P_SUCCESS;
 }