## Release v0.17.0

- Added `Out_channel.output_line`
- Added `Out_channel.fprint_s`, used to share implementation of `print_s` and `eprint_s`

## v0.12

- Added function `Out_channel.print_s`.

## v0.10

- Enabled `-safe-string`.

- Added functions `Out_channel.output_bytes`, `Out_channel.output_substring`.

- Added functions `In_channel.equal` and `Out_channel.equal`, implemented as `phys_equal`.

## v0.9

Initial release.
