JetBrains/kotlin — pull request #202 by ponomandr (2013-02-20 17:32:25+00:00)
Title: New formatter option: Align in columns 'case' branches

This option allows formatting 'when' statements in two ways:

option is OFF:

when (x) {
parseInt(s) -> print("s encodes x")
else -> print("s does not encode x")
}

option is ON:

when (x) {
parseInt(s) -> print("s encodes x")
else -> print("s does not encode x")
}