To disable (not highlight) the Diana and Save Zoom items, please do what the instructions say:
// To disable the in-game menu items, disable both the main feature and memory.
set ex_diana "0" (or just //set ex_diana "0" as disabled is the default)
set ex_diana_memory "0"
set ex_zoom "0" (or just //set ex_zoom "0" as disabled is the default)
set ex_zoom_memory "0"
The menu items are NOT removed from the menu!