disco-0.1.6: test/syntax-ellipsis/input

[1 .. 4]
[1 ,.. 4]
[1, .. 4]
[1,..4]
[1 , .. , 4]
[1 .. , 4]
[1, 2 .. 4]
[1, 2, .. 4]
[1, 2, .., 4]
[1, 2 .., 4]