Reaching a stable list formatting requires formatting twice

[TomaSajt]

Description

Just a small thing I noticed while packaging stuff for Nixpkgs.

Small example input

[ "hello"

]

Expected output

[ "hello" ]

Actual output

after first formatting

[
  "hello"
]

then after formatting again, it gives the correct

[ "hello" ]

[nixos-discourse]

This issue has been mentioned on NixOS Discourse. There might be relevant details there:

https://discourse.nixos.org/t/formatting-team-meeting-2024-04-16/43533/1

[infinisil]

Looking into this, I'm thinking the following:

[ "string"

]

should be formatted like this:

[
  "string"

]

Because "empty lines must be preserved".

I've now implemented this in #201

[nixos-discourse]

This issue has been mentioned on NixOS Discourse. There might be relevant details there:

https://discourse.nixos.org/t/formatting-team-meeting-2024-05-28/46126/1