Albert Meltzer

Looks like we shouldn't have that show up, but seems the bug has been present for a while, so most likely not a big deal. _Originally posted by @tgodzik in...

Add and use uber whitespace-token containers; these will contain contiguous sequences of horizontal whitespace, or sequences of newlines, ignoring trailing or embedded horizontal space.

Test formatting of open-source community code, similar to how it was done in scalameta, and fix any formatting bugs discovered this way.

There are multiple cases of optional-braces regions described using `

A fix for incorrectly merged #4463.

Also, remove keepWithAlign as redundant.

Supersedes #4281.

Windows only: sys.process.Process hangs since v0.5.7

4

As I mentioned in [scalafmt#4913](https://github.com/scalameta/scalafmt/pull/4913#issuecomment-2932538412), running ``` sys.process.Process(argv, cwd).!!(logger: ProcessLogger) ``` hangs indefinitely on Windows since v0.5.7 (and continues in v0.5.8). In our case, we run with `argv = ["git",...