Odd, yes I do. Steps:
Double click the llblgenproj file in the solution explorer in VS.
Edit an entity from the LLBLGen Project Explorer.
Go to the Code gen info tab
In the Element combo select a field
Click in the first row of the Attribute definition grid, i.e. the new row placeholder
Type something, eg abc
Press enter. abc moves to the second row and the top row is ready to accept another attribute.
Click on abc.
It highlights with the blue background
Press Ctrl-C
Go to Notepad
Press Ctrl-V