Assertion: computer keyboard's key | /r/CapableOf | act as composekey
Facets:
value: on most european-language keyboards
type: LOCATION
Source sentences:
text: On most European-language keyboards, the right "Alt" key, which is just to the right of the space bar and different from the regular "Alt" key on the left side, acts as a "Compose" key, making it possible to enter many non-ASCII characters.