dhall-1.26.0: dhall-lang/tests/parser/failure/ImportHeadersExteriorHash.dhall
(https://example.com/foo using ./headers) sha256:0000000000000000000000000000000000000000000000000000000000000000
(https://example.com/foo using ./headers) sha256:0000000000000000000000000000000000000000000000000000000000000000