- * Don't let embarked engineers work. Screwed up when the command was
- added in Empire 2.
- * Fix buy error messages on concurrent lot change.
+ * Don't let embarked engineers work. Screwed up when the work
+ command was added in Empire 2.
+ * Fix buy to handle concurrent lot change more robustly. The flawed
+ handling goes back to 4.0.0 and 4.0.2.