yamlet-1.0.0.0: tests/fixtures/yaml-test-suite/FBC9/in.yaml

safe: a!"#$%&'()*+,-./09:;<=>?@AZ[\]^_`az{|}~
     !"#$%&'()*+,-./09:;<=>?@AZ[\]^_`az{|}~
safe question mark: ?foo
safe colon: :foo
safe dash: -foo