You can download and use the items in this Register from the terminal by using the Registers.app command-line tools.
Get a copy of the orc tool by following the instructions on GitHub.
Save a live copy of this Register:
Use orc to use the data from the Register and keep it up to date:
$ orc ls allergen.rsf user
You can read more about how to use the command-line tool on GitHub.
Food allergens as recognised by the Food Standards Agency
Use the items in this Register to make a drop-down autocomplete menu.
Connect the orc command-line tool and use this Register from the command line.