How to avoid dhall-format convert natural language Text to code point?

Question

I want to write Japanese sentence as Text in dhall file.
But the format subcommand convert them to code points.

> dhall version
1.18.0
> echo  '"Haskellは純粋関数型言語のひとつです"' | dhall format
"Haskell\u306F\u7D14\u7C8B\u95A2\u6570\u578B\u8A00\u8A9E\u306E\u3072\u3068\u3064\u3067\u3059"

Formatted sentence doesn't make sense.
How can I keep Japanese Text as is?
Or, should I always use the raw text feature for Japanese sentence?

Answer 1

This was solved by dhall-1.19.0.

Now dhall format preserves unicode.

Thank you dhall team!