diff --git a/Demo/pdist/rcsbump b/Demo/pdist/rcsbump
new file mode 100755
index 00000000000..b915b1725f3
--- /dev/null
+++ b/Demo/pdist/rcsbump
@@ -0,0 +1,26 @@
+#!/usr/local/bin/python
+#
+# rcsbump,v 1.2 1995/06/22 21:27:27 bwarsaw Exp
+#
+# Python script for bumping up an RCS major revision number.
+
+import regex
+import rcslib
+import string
+
+WITHLOCK = 1
+majorrev_re = regex.compile('^[0-9]+')
+
+dir = rcslib.RCSDirectory()
+
+for file in dir.listfiles():
+    # get the major revnumber of the file
+    headbranch = dir.info(file)['head']
+    majorrev_re.match(headbranch)
+    majorrev = string.atoi(majorrev_re.group(0)) + 1
+
+    if not dir.islocked(file):
+	dir.get(file, WITHLOCK)
+
+    msg = "Bumping major revision number (to %d)" % majorrev
+    dir.put((file, "%s.0" % majorrev), msg, "-f")
diff --git a/Demo/pdist/rcslib.py b/Demo/pdist/rcslib.py
new file mode 100755
index 00000000000..5e4ecc01b3f
--- /dev/null
+++ b/Demo/pdist/rcslib.py
@@ -0,0 +1,230 @@
+"""Base local RCS interface module.
+
+Provides simplified interface to RCS controlled files.  Unabashedly
+ripped most of this from RCSProxy.py which had in some respects, more
+than I needed, and in others, not enough.  I think RCSProxy.py could
+be rewritten using this module as a base.
+"""
+
+__version__ = "guido's, based on: rcs.py,v 1.2 1995/06/22 21:11:37 bwarsaw Exp"
+
+
+import string
+import os
+import tempfile
+
+okchars = string.letters + string.digits + '-_=+.'
+
+
+class RCSDirectory:
+
+    def __init__(self, directory=None):
+	self._dirstack = []
+	if directory:
+	    self.cd(directory)
+
+    def _close(self):
+	while self._dirstack:
+	    self.back()
+
+    def pwd(self):
+	return os.getcwd()
+
+    def cd(self, name):
+	save = os.getcwd()
+	os.chdir(name)
+	self._dirstack.append(save)
+
+    def back(self):
+	if not self._dirstack:
+	    raise os.error, "empty directory stack"
+	dir = self._dirstack[-1]
+	os.chdir(dir)
+	del self._dirstack[-1]
+
+    def _filter(self, files, pat = None):
+	if pat:
+	    def keep(name, pat = pat):
+		return fnmatch.fnmatch(name, pat)
+	    files = filter(keep, files)
+	files.sort()
+	return files
+
+    def isfile(self, name):
+	namev = self.rcsname(name)
+	return namev and (os.path.isfile(namev) or \
+			  os.path.isfile(os.path.join('RCS', namev)))
+
+    def isrcs(self, name):
+	return name[-2:] == ',v'
+
+    def rcsname(self, name):
+	if self.isrcs(name): namev = name
+	else: namev = name + ',v'
+	if os.path.isfile(namev): return namev
+	namev = os.path.join('RCS', namev)
+	if os.path.isfile(namev): return namev
+	return None
+
+    def realname(self, namev):
+	if self.isrcs(namev): name = namev[:-2]
+	else: name = namev
+	if os.path.isfile(name): return name
+	name = os.path.basename(name)
+	if os.path.isfile(name): return name
+	return None
+
+    def islocked(self, name):
+	f = self._open(name, 'rlog -L -R')
+	line = f.readline()
+	self._closepipe(f)
+	if not line: return None
+	return not self.realname(name) == self.realname(line)
+
+    def _unmangle(self, name):
+	if type(name) == type(''):
+	    rev = ''
+	else:
+	    name, rev = name
+	return name, rev
+
+    def checkfile(self, name):
+	name, rev = self._unmangle(name)
+	if not self.isfile(name):
+	    raise os.error, 'not an rcs file %s' % `name`
+	for c in rev:
+	    if c not in okchars:
+		raise ValueError, "bad char in rev"
+	return name, rev
+
+    def listfiles(self, pat = None):
+	files = os.listdir(os.curdir)
+	files = filter(self.isrcs, files)
+	if os.path.isdir('RCS'):
+	    files2 = os.listdir('RCS')
+	    files2 = filter(self.isrcs, files2)
+	    files = files + files2
+	files = map(self.realname, files)
+	return self._filter(files, pat)
+
+    def listsubdirs(self, pat = None):
+	files = os.listdir(os.curdir)
+	files = filter(os.path.isdir, files)
+	return self._filter(files, pat)
+
+    def isdir(self, name):
+	return os.path.isdir(name)
+
+    def _open(self, name, cmd = 'co -p'):
+	name, rev = self.checkfile(name)
+	namev = self.rcsname(name)
+	if rev:
+	    cmd = cmd + ' -r' + rev
+	return os.popen('%s %s' %  (cmd, `namev`))
+
+    def _closepipe(self, f):
+	sts = f.close()
+	if sts:
+	    raise IOError, "Exit status %d" % sts
+
+    def _remove(self, fn):
+	try:
+	    os.unlink(fn)
+	except os.error:
+	    pass
+
+    def _list(self, function, list):
+	if list is None:
+	    list = self.listfiles()
+	res = []
+	for name in list:
+	    try:
+		res.append((name, function(name)))
+	    except (os.error, IOError):
+		res.append((name, None))
+	return res
+
+    def _dict(self, function, list):
+	if list is None:
+	    list = self.listfiles()
+	dict = {}
+	for name in list:
+	    try:
+		dict[name] = function(name)
+	    except (os.error, IOError):
+		pass
+	return dict
+
+    def info(self, name):
+	f = self._open(name, 'rlog -h')
+	dict = {}
+	while 1:
+	    line = f.readline()
+	    if not line: break
+	    if line[0] == '\t':
+		# TBD: could be a lock or symbolic name
+		# Anything else?
+		continue 
+	    i = string.find(line, ':')
+	    if i > 0:
+		key, value = line[:i], string.strip(line[i+1:])
+		dict[key] = value
+	self._closepipe(f)
+	return dict
+
+    def head(self, name):
+	dict = self.info(name)
+	return dict['head']
+
+    def log(self, name, flags = ''):
+	f = self._open(name, 'rlog %s 2>&1' % flags)
+	log = f.read()
+	self._closepipe(f)
+	return log
+
+    def get(self, name, withlock=None, otherflags=""):
+	"""a.k.a. co"""
+	name, rev = self._unmangle(name)
+	if not self.isfile(name):
+	    raise os.error, 'not an rcs file %s' % `name`
+	if withlock: lockflag = "-l"
+	else: lockflag = "-u"
+	cmd = 'co %s%s %s %s 2>&1' % (lockflag, rev, otherflags, name)
+	sts = os.system(cmd)
+	if sts: raise IOError, "bad co exit status %d" % sts
+
+    def put(self, name, message=None, otherflags=""):
+	"""a.k.a. ci"""
+	if not message: message = "<none>"
+	if message and message[-1] != '\n':
+	    message = message + '\n'
+	name, rev = self._unmangle(name)
+	new = not self.isfile(name)
+	# by default, check it in -u so we get an unlocked copy back
+	# in the current directory
+	textfile = None
+	try:
+	    if new:
+		for c in name:
+		    if c not in okchars:
+			raise ValueError, "bad char in name"
+		textfile = tempfile.mktemp()
+		f = open(textfile, 'w')
+		f.write(message)
+		f.close()
+		cmd = 'ci -u%s -t%s %s %s 2>&1' % \
+		      (rev, textfile, otherflags, name)
+	    else:
+		cmd = 'ci -u%s -m"%s" %s %s 2>&1' % \
+		      (rev, message, otherflags, name)
+
+	    sts = os.system(cmd)
+	    if sts: raise IOError, "bad ci exit status %d" % sts
+	finally:
+	    if textfile: self._remove(textfile)
+
+    def mkdir(self, name):
+	os.mkdir(name, 0777)
+
+    def rmdir(self, name):
+	os.rmdir(name)