src/Pure/System/cygwin.scala

A few more cosmetic changes to proofs

/*  Title:      Pure/System/cygwin.scala
    Author:     Makarius

Cygwin as POSIX emulation on Windows.
*/

package isabelle


import java.io.{File => JFile}
import java.nio.file.Files

import scala.annotation.tailrec


object Cygwin
{
}