The usual.
diff --git a/Lib/dos-8x3/posixfil.py b/Lib/dos-8x3/posixfil.py
index d66517f..d3aeac0 100755
--- a/Lib/dos-8x3/posixfil.py
+++ b/Lib/dos-8x3/posixfil.py
@@ -6,56 +6,56 @@
 # Extended file operations
 #
 # f = posixfile.open(filename, [mode, [bufsize]])
-#	will create a new posixfile object
+#       will create a new posixfile object
 #
 # f = posixfile.fileopen(fileobject)
-#	will create a posixfile object from a builtin file object
+#       will create a posixfile object from a builtin file object
 #
 # f.file()
-#	will return the original builtin file object
+#       will return the original builtin file object
 #
 # f.dup()
-#	will return a new file object based on a new filedescriptor
+#       will return a new file object based on a new filedescriptor
 #
 # f.dup2(fd)
-#	will return a new file object based on the given filedescriptor
+#       will return a new file object based on the given filedescriptor
 #
 # f.flags(mode)
-#	will turn on the associated flag (merge)
-#	mode can contain the following characters:
+#       will turn on the associated flag (merge)
+#       mode can contain the following characters:
 #
 #   (character representing a flag)
-#	a	append only flag
-#	c	close on exec flag
-#	n	no delay flag
-#	s	synchronization flag
+#       a       append only flag
+#       c       close on exec flag
+#       n       no delay flag
+#       s       synchronization flag
 #   (modifiers)
-#	!	turn flags 'off' instead of default 'on'
-#	=	copy flags 'as is' instead of default 'merge'
-#	?	return a string in which the characters represent the flags
-#		that are set
+#       !       turn flags 'off' instead of default 'on'
+#       =       copy flags 'as is' instead of default 'merge'
+#       ?       return a string in which the characters represent the flags
+#               that are set
 #
-#	note: - the '!' and '=' modifiers are mutually exclusive.
-#	      - the '?' modifier will return the status of the flags after they
-#		have been changed by other characters in the mode string
+#       note: - the '!' and '=' modifiers are mutually exclusive.
+#             - the '?' modifier will return the status of the flags after they
+#               have been changed by other characters in the mode string
 #
 # f.lock(mode [, len [, start [, whence]]])
-#	will (un)lock a region
-#	mode can contain the following characters:
+#       will (un)lock a region
+#       mode can contain the following characters:
 #
 #   (character representing type of lock)
-#	u	unlock
-#	r	read lock
-#	w	write lock
+#       u       unlock
+#       r       read lock
+#       w       write lock
 #   (modifiers)
-#	|	wait until the lock can be granted
-#	?	return the first lock conflicting with the requested lock
-#		or 'None' if there is no conflict. The lock returned is in the
-#		format (mode, len, start, whence, pid) where mode is a
-#		character representing the type of lock ('r' or 'w')
+#       |       wait until the lock can be granted
+#       ?       return the first lock conflicting with the requested lock
+#               or 'None' if there is no conflict. The lock returned is in the
+#               format (mode, len, start, whence, pid) where mode is a
+#               character representing the type of lock ('r' or 'w')
 #
-#	note: - the '?' modifier prevents a region from being locked; it is
-#		query only
+#       note: - the '?' modifier prevents a region from being locked; it is
+#               query only
 #
 
 class _posixfile_:
@@ -65,149 +65,149 @@
     # Internal routines
     #
     def __repr__(self):
-	file = self._file_
-	return "<%s posixfile '%s', mode '%s' at %s>" % \
-		(self.states[file.closed], file.name, file.mode, \
-		 hex(id(self))[2:])
+        file = self._file_
+        return "<%s posixfile '%s', mode '%s' at %s>" % \
+                (self.states[file.closed], file.name, file.mode, \
+                 hex(id(self))[2:])
 
     def __del__(self):
-	self._file_.close()
+        self._file_.close()
 
     #
     # Initialization routines
     #
     def open(self, name, mode='r', bufsize=-1):
-	import __builtin__
-	return self.fileopen(__builtin__.open(name, mode, bufsize))
+        import __builtin__
+        return self.fileopen(__builtin__.open(name, mode, bufsize))
 
     def fileopen(self, file):
-	if `type(file)` != "<type 'file'>":
-	    raise TypeError, 'posixfile.fileopen() arg must be file object'
-	self._file_  = file
-	# Copy basic file methods
-	for method in file.__methods__:
-	    setattr(self, method, getattr(file, method))
-	return self
+        if `type(file)` != "<type 'file'>":
+            raise TypeError, 'posixfile.fileopen() arg must be file object'
+        self._file_  = file
+        # Copy basic file methods
+        for method in file.__methods__:
+            setattr(self, method, getattr(file, method))
+        return self
 
     #
     # New methods
     #
     def file(self):
-	return self._file_
+        return self._file_
 
     def dup(self):
-	import posix
+        import posix
 
-	try: ignore = posix.fdopen
-	except: raise AttributeError, 'dup() method unavailable'
+        try: ignore = posix.fdopen
+        except: raise AttributeError, 'dup() method unavailable'
 
-	return posix.fdopen(posix.dup(self._file_.fileno()), self._file_.mode)
+        return posix.fdopen(posix.dup(self._file_.fileno()), self._file_.mode)
 
     def dup2(self, fd):
-	import posix
+        import posix
 
-	try: ignore = posix.fdopen
-	except: raise AttributeError, 'dup() method unavailable'
+        try: ignore = posix.fdopen
+        except: raise AttributeError, 'dup() method unavailable'
 
-	posix.dup2(self._file_.fileno(), fd)
-	return posix.fdopen(fd, self._file_.mode)
+        posix.dup2(self._file_.fileno(), fd)
+        return posix.fdopen(fd, self._file_.mode)
 
     def flags(self, *which):
-	import fcntl, FCNTL
+        import fcntl, FCNTL
 
-	if which:
-	    if len(which) > 1:
-		raise TypeError, 'Too many arguments'
-	    which = which[0]
-	else: which = '?'
+        if which:
+            if len(which) > 1:
+                raise TypeError, 'Too many arguments'
+            which = which[0]
+        else: which = '?'
 
-	l_flags = 0
-	if 'n' in which: l_flags = l_flags | FCNTL.O_NDELAY
-	if 'a' in which: l_flags = l_flags | FCNTL.O_APPEND
-	if 's' in which: l_flags = l_flags | FCNTL.O_SYNC
+        l_flags = 0
+        if 'n' in which: l_flags = l_flags | FCNTL.O_NDELAY
+        if 'a' in which: l_flags = l_flags | FCNTL.O_APPEND
+        if 's' in which: l_flags = l_flags | FCNTL.O_SYNC
 
-	file = self._file_
+        file = self._file_
 
-	if '=' not in which:
-	    cur_fl = fcntl.fcntl(file.fileno(), FCNTL.F_GETFL, 0)
-	    if '!' in which: l_flags = cur_fl & ~ l_flags
-	    else: l_flags = cur_fl | l_flags
+        if '=' not in which:
+            cur_fl = fcntl.fcntl(file.fileno(), FCNTL.F_GETFL, 0)
+            if '!' in which: l_flags = cur_fl & ~ l_flags
+            else: l_flags = cur_fl | l_flags
 
-	l_flags = fcntl.fcntl(file.fileno(), FCNTL.F_SETFL, l_flags)
+        l_flags = fcntl.fcntl(file.fileno(), FCNTL.F_SETFL, l_flags)
 
-	if 'c' in which:	
-	    arg = ('!' not in which)	# 0 is don't, 1 is do close on exec
-	    l_flags = fcntl.fcntl(file.fileno(), FCNTL.F_SETFD, arg)
+        if 'c' in which:        
+            arg = ('!' not in which)    # 0 is don't, 1 is do close on exec
+            l_flags = fcntl.fcntl(file.fileno(), FCNTL.F_SETFD, arg)
 
-	if '?' in which:
-	    which = ''			# Return current flags
-	    l_flags = fcntl.fcntl(file.fileno(), FCNTL.F_GETFL, 0)
-	    if FCNTL.O_APPEND & l_flags: which = which + 'a'
-	    if fcntl.fcntl(file.fileno(), FCNTL.F_GETFD, 0) & 1:
-		which = which + 'c'
-	    if FCNTL.O_NDELAY & l_flags: which = which + 'n'
-	    if FCNTL.O_SYNC & l_flags: which = which + 's'
-	    return which
-	
+        if '?' in which:
+            which = ''                  # Return current flags
+            l_flags = fcntl.fcntl(file.fileno(), FCNTL.F_GETFL, 0)
+            if FCNTL.O_APPEND & l_flags: which = which + 'a'
+            if fcntl.fcntl(file.fileno(), FCNTL.F_GETFD, 0) & 1:
+                which = which + 'c'
+            if FCNTL.O_NDELAY & l_flags: which = which + 'n'
+            if FCNTL.O_SYNC & l_flags: which = which + 's'
+            return which
+        
     def lock(self, how, *args):
-	import struct, fcntl, FCNTL
+        import struct, fcntl, FCNTL
 
-	if 'w' in how: l_type = FCNTL.F_WRLCK
-	elif 'r' in how: l_type = FCNTL.F_RDLCK
-	elif 'u' in how: l_type = FCNTL.F_UNLCK
-	else: raise TypeError, 'no type of lock specified'
+        if 'w' in how: l_type = FCNTL.F_WRLCK
+        elif 'r' in how: l_type = FCNTL.F_RDLCK
+        elif 'u' in how: l_type = FCNTL.F_UNLCK
+        else: raise TypeError, 'no type of lock specified'
 
-	if '|' in how: cmd = FCNTL.F_SETLKW
-	elif '?' in how: cmd = FCNTL.F_GETLK
-	else: cmd = FCNTL.F_SETLK
+        if '|' in how: cmd = FCNTL.F_SETLKW
+        elif '?' in how: cmd = FCNTL.F_GETLK
+        else: cmd = FCNTL.F_SETLK
 
-	l_whence = 0
-	l_start = 0
-	l_len = 0
+        l_whence = 0
+        l_start = 0
+        l_len = 0
 
-	if len(args) == 1:
-	    l_len = args[0]
-	elif len(args) == 2:
-	    l_len, l_start = args
-	elif len(args) == 3:
-	    l_len, l_start, l_whence = args
-	elif len(args) > 3:
-	    raise TypeError, 'too many arguments'
+        if len(args) == 1:
+            l_len = args[0]
+        elif len(args) == 2:
+            l_len, l_start = args
+        elif len(args) == 3:
+            l_len, l_start, l_whence = args
+        elif len(args) > 3:
+            raise TypeError, 'too many arguments'
 
-	# Hack by davem@magnet.com to get locking to go on freebsd;
-	# additions for AIX by Vladimir.Marangozov@imag.fr
+        # Hack by davem@magnet.com to get locking to go on freebsd;
+        # additions for AIX by Vladimir.Marangozov@imag.fr
         import sys, os
         if sys.platform in ('netbsd1', 'freebsd2', 'freebsd3'):
-	    flock = struct.pack('lxxxxlxxxxlhh', \
-		  l_start, l_len, os.getpid(), l_type, l_whence) 
+            flock = struct.pack('lxxxxlxxxxlhh', \
+                  l_start, l_len, os.getpid(), l_type, l_whence) 
         elif sys.platform in ['aix3', 'aix4']:
             flock = struct.pack('hhlllii', \
                   l_type, l_whence, l_start, l_len, 0, 0, 0)
-	else:
-	    flock = struct.pack('hhllhh', \
-		  l_type, l_whence, l_start, l_len, 0, 0)
+        else:
+            flock = struct.pack('hhllhh', \
+                  l_type, l_whence, l_start, l_len, 0, 0)
 
-	flock = fcntl.fcntl(self._file_.fileno(), cmd, flock)
+        flock = fcntl.fcntl(self._file_.fileno(), cmd, flock)
 
-	if '?' in how:
-	    if sys.platform in ('netbsd1', 'freebsd2', 'freebsd3'):
-		l_start, l_len, l_pid, l_type, l_whence = \
-		    struct.unpack('lxxxxlxxxxlhh', flock)
+        if '?' in how:
+            if sys.platform in ('netbsd1', 'freebsd2', 'freebsd3'):
+                l_start, l_len, l_pid, l_type, l_whence = \
+                    struct.unpack('lxxxxlxxxxlhh', flock)
             elif sys.platform in ['aix3', 'aix4']:
                 l_type, l_whence, l_start, l_len, l_sysid, l_pid, l_vfs = \
                     struct.unpack('hhlllii', flock)
-	    elif sys.platform == "linux2":
-		l_type, l_whence, l_start, l_len, l_pid, l_sysid = \
-		    struct.unpack('hhllhh', flock)
-	    else:
-		l_type, l_whence, l_start, l_len, l_sysid, l_pid = \
-		    struct.unpack('hhllhh', flock)
+            elif sys.platform == "linux2":
+                l_type, l_whence, l_start, l_len, l_pid, l_sysid = \
+                    struct.unpack('hhllhh', flock)
+            else:
+                l_type, l_whence, l_start, l_len, l_sysid, l_pid = \
+                    struct.unpack('hhllhh', flock)
 
-	    if l_type != FCNTL.F_UNLCK:
-		if l_type == FCNTL.F_RDLCK:
-		    return 'r', l_len, l_start, l_whence, l_pid
-		else:
-		    return 'w', l_len, l_start, l_whence, l_pid
+            if l_type != FCNTL.F_UNLCK:
+                if l_type == FCNTL.F_RDLCK:
+                    return 'r', l_len, l_start, l_whence, l_pid
+                else:
+                    return 'w', l_len, l_start, l_whence, l_pid
 
 #
 # Public routine to obtain a posixfile object