1default FU=<v>fu</v> FOO=<v>foo</v> VAR=<v></v>
2two FU=<v>bar</v> FOO=<v>goo</v> VAR=<v></v>
3immutable FU='bar'
4immutable FOO='goo'
5three FU=<v>bar</v> FOO=<v>goo</v> VAR=<v></v>
6four FU=<v>bar</v> FOO=<v>goo</v> VAR=<v>Internal</v>
7five FU=<v>bar</v> FOO=<v>goo</v> VAR=<v>Internal</v>
8five v=is x k=is x
9six v=is y k=is y
10show-v v=override k=override
11exit status 0
12