Groups, Menus, Economy: document provider isolation, scale and NOT_DELIVERED Dynamic-Values and Testing-Toolkit cover ordered value writes and refuseNextOpen.
menus: say a sale reads only the main inventory, prefix in any case
menus: pay the open gate after the screen, sell up to the limit
menus: document unregister, paged offer arrows and item data
menus: describe how FinalMenus maps its files onto the menu engine The old section showed a file grammar FinalMenus never had; this one follows its reader. Placeholders gains the finalmenus_ family.
menus: describe menus, offers and transactions