src/Pure/Admin/check_sources.scala

 */
 
 package isabelle
 
 
-object Check_Sources
-{
-  def check_file(path: Path): Unit =
-  {
+object Check_Sources {
+  def check_file(path: Path): Unit = {
     val file_name = path.implode
     val file_pos = path.position
     def line_pos(i: Int) = Position.Line_File(i + 1, file_name)
 
     if (space_explode('/', Word.lowercase(path.expand.drop_ext.implode)).contains("aux"))

 
     if (Bytes(content) != bytes) {
       Output.warning("Bad UTF8 encoding" + Position.here(file_pos))
     }
 
-    for { (line, i) <- split_lines(content).iterator.zipWithIndex }
-    {
+    for { (line, i) <- split_lines(content).iterator.zipWithIndex } {
       try {
         Symbol.decode_strict(line)
 
-        for { c <- Codepoint.iterator(line); if c > 128 && !Character.isAlphabetic(c) }
-        {
+        for { c <- Codepoint.iterator(line); if c > 128 && !Character.isAlphabetic(c) } {
           Output.warning("Suspicious Unicode character " + quote(Codepoint.string(c)) +
             Position.here(line_pos(i)))
         }
       }
       catch { case ERROR(msg) => Output.warning(msg + Position.here(line_pos(i))) }

 
     if (Word.bidi_detect(content))
       Output.warning("Bidirectional Unicode text" + Position.here(file_pos))
   }
 
-  def check_hg(root: Path): Unit =
-  {
+  def check_hg(root: Path): Unit = {
     Output.writeln("Checking " + root + " ...")
     val hg = Mercurial.repository(root)
     for {
       file <- hg.known_files()
       if file.endsWith(".thy") || file.endsWith(".ML") || file.endsWith("/ROOT")

 
   /* Isabelle tool wrapper */
 
   val isabelle_tool =
     Isabelle_Tool("check_sources", "some sanity checks for Isabelle sources",
-      Scala_Project.here, args =>
-    {
+      Scala_Project.here, args => {
       val getopts = Getopts("""
 Usage: isabelle check_sources [ROOT_DIRS...]
 
   Check .thy, .ML, ROOT against known files of Mercurial ROOT_DIRS.
 """)