5d84439f5d
This adds support for validation + completion for `formatter/page_width` in analysis_options, and uses this value in preference to the client-supplied value in the LSP server. It does not yet add support for the legacy protocol, and there are a few questions in https://github.com/dart-lang/sdk/issues/56864#issuecomment-2399289974. See https://github.com/dart-lang/sdk/issues/56864 Change-Id: I7844e3abd1191beb9cc24197bbc8aa7c9e9ad4fa Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/388822 Commit-Queue: Brian Wilkerson <brianwilkerson@google.com> Reviewed-by: Brian Wilkerson <brianwilkerson@google.com> Reviewed-by: Konstantin Shcheglov <scheglov@google.com>