diff --git a/Lib/lib-old/Para.py b/Lib/lib-old/Para.py
index 2e6aa4c..2fd8dc6 100644
--- a/Lib/lib-old/Para.py
+++ b/Lib/lib-old/Para.py
@@ -1,4 +1,4 @@
-# Text formatting abstractions 
+# Text formatting abstractions
 # Note -- this module is obsolete, it's too slow anyway
 
 
@@ -14,330 +14,330 @@
 # different screen locations.  Once rendered, it can be queried
 # for mouse hits, and parts of the text can be highlighted
 class Para:
-	#
-	def __init__(self):
-		self.words = [] # The words
-		self.just = 'l' # Justification: 'l', 'r', 'lr' or 'c'
-		self.indent_left = self.indent_right = self.indent_hang = 0
-		# Final lay-out parameters, may change
-		self.left = self.top = self.right = self.bottom = \
-			self.width = self.height = self.lines = None
-	#
-	# Add a word, computing size information for it.
-	# Words may also be added manually by appending to self.words
-	# Each word should be a 7-tuple:
-	# (font, text, width, space, stretch, ascent, descent)
-	def addword(self, d, font, text, space, stretch):
-		if font is not None:
-			d.setfont(font)
-		width = d.textwidth(text)
-		ascent = d.baseline()
-		descent = d.lineheight() - ascent
-		spw = d.textwidth(' ')
-		space = space * spw
-		stretch = stretch * spw
-		tuple = (font, text, width, space, stretch, ascent, descent)
-		self.words.append(tuple)
-	#
-	# Hooks to begin and end anchors -- insert numbers in the word list!
-	def bgn_anchor(self, id):
-		self.words.append(id)
-	#
-	def end_anchor(self, id):
-		self.words.append(0)
-	#
-	# Return the total length (width) of the text added so far, in pixels
-	def getlength(self):
-		total = 0
-		for word in self.words:
-			if type(word) is not Int:
-				total = total + word[2] + word[3]
-		return total
-	#
-	# Tab to a given position (relative to the current left indent):
-	# remove all stretch, add fixed space up to the new indent.
-	# If the current position is already at the tab stop,
-	# don't add any new space (but still remove the stretch)
-	def tabto(self, tab):
-		total = 0
-		as, de = 1, 0
-		for i in range(len(self.words)):
-			word = self.words[i]
-			if type(word) is Int: continue
-			(fo, te, wi, sp, st, as, de) = word
-			self.words[i] = (fo, te, wi, sp, 0, as, de)
-			total = total + wi + sp
-		if total < tab:
-			self.words.append((None, '', 0, tab-total, 0, as, de))
-	#
-	# Make a hanging tag: tab to hang, increment indent_left by hang,
-	# and reset indent_hang to -hang
-	def makehangingtag(self, hang):
-		self.tabto(hang)
-		self.indent_left = self.indent_left + hang
-		self.indent_hang = -hang
-	#
-	# Decide where the line breaks will be given some screen width
-	def layout(self, linewidth):
-		self.width = linewidth
-		height = 0
-		self.lines = lines = []
-		avail1 = self.width - self.indent_left - self.indent_right
-		avail = avail1 - self.indent_hang
-		words = self.words
-		i = 0
-		n = len(words)
-		lastfont = None
-		while i < n:
-			firstfont = lastfont
-			charcount = 0
-			width = 0
-			stretch = 0
-			ascent = 0
-			descent = 0
-			lsp = 0
-			j = i
-			while i < n:
-				word = words[i]
-				if type(word) is Int:
-					if word > 0 and width >= avail:
-						break
-					i = i+1
-					continue
-				fo, te, wi, sp, st, as, de = word
-				if width + wi > avail and width > 0 and wi > 0:
-					break
-				if fo is not None:
-					lastfont = fo
-					if width == 0:
-						firstfont = fo
-				charcount = charcount + len(te) + (sp > 0)
-				width = width + wi + sp
-				lsp = sp
-				stretch = stretch + st
-				lst = st
-				ascent = max(ascent, as)
-				descent = max(descent, de)
-				i = i+1
-			while i > j and type(words[i-1]) is Int and \
-				words[i-1] > 0: i = i-1
-			width = width - lsp
-			if i < n:
-				stretch = stretch - lst
-			else:
-				stretch = 0
-			tuple = i-j, firstfont, charcount, width, stretch, \
-				ascent, descent
-			lines.append(tuple)
-			height = height + ascent + descent
-			avail = avail1
-		self.height = height
-	#
-	# Call a function for all words in a line
-	def visit(self, wordfunc, anchorfunc):
-		avail1 = self.width - self.indent_left - self.indent_right
-		avail = avail1 - self.indent_hang
-		v = self.top
-		i = 0
-		for tuple in self.lines:
-			wordcount, firstfont, charcount, width, stretch, \
-				ascent, descent = tuple
-			h = self.left + self.indent_left
-			if i == 0: h = h + self.indent_hang
-			extra = 0
-			if self.just == 'r': h = h + avail - width
-			elif self.just == 'c': h = h + (avail - width) / 2
-			elif self.just == 'lr' and stretch > 0:
-				extra = avail - width
-			v2 = v + ascent + descent
-			for j in range(i, i+wordcount):
-				word = self.words[j]
-				if type(word) is Int:
-					ok = anchorfunc(self, tuple, word, \
-							h, v)
-					if ok is not None: return ok
-					continue
-				fo, te, wi, sp, st, as, de = word
-				if extra > 0 and stretch > 0:
-					ex = extra * st / stretch
-					extra = extra - ex
-					stretch = stretch - st
-				else:
-					ex = 0
-				h2 = h + wi + sp + ex
-				ok = wordfunc(self, tuple, word, h, v, \
-					h2, v2, (j==i), (j==i+wordcount-1))
-				if ok is not None: return ok
-				h = h2
-			v = v2
-			i = i + wordcount
-			avail = avail1
-	#
-	# Render a paragraph in "drawing object" d, using the rectangle
-	# given by (left, top, right) with an unspecified bottom.
-	# Return the computed bottom of the text.
-	def render(self, d, left, top, right):
-		if self.width != right-left:
-			self.layout(right-left)
-		self.left = left
-		self.top = top
-		self.right = right
-		self.bottom = self.top + self.height
-		self.anchorid = 0
-		try:
-			self.d = d
-			self.visit(self.__class__._renderword, \
-				   self.__class__._renderanchor)
-		finally:
-			self.d = None
-		return self.bottom
-	#
-	def _renderword(self, tuple, word, h, v, h2, v2, isfirst, islast):
-		if word[0] is not None: self.d.setfont(word[0])
-		baseline = v + tuple[5]
-		self.d.text((h, baseline - word[5]), word[1])
-		if self.anchorid > 0:
-			self.d.line((h, baseline+2), (h2, baseline+2))
-	#
-	def _renderanchor(self, tuple, word, h, v):
-		self.anchorid = word
-	#
-	# Return which anchor(s) was hit by the mouse
-	def hitcheck(self, mouseh, mousev):
-		self.mouseh = mouseh
-		self.mousev = mousev
-		self.anchorid = 0
-		self.hits = []
-		self.visit(self.__class__._hitcheckword, \
-			   self.__class__._hitcheckanchor)
-		return self.hits
-	#
-	def _hitcheckword(self, tuple, word, h, v, h2, v2, isfirst, islast):
-		if self.anchorid > 0 and h <= self.mouseh <= h2 and \
-			v <= self.mousev <= v2:
-			self.hits.append(self.anchorid)
-	#
-	def _hitcheckanchor(self, tuple, word, h, v):
-		self.anchorid = word
-	#
-	# Return whether the given anchor id is present
-	def hasanchor(self, id):
-		return id in self.words or -id in self.words
-	#
-	# Extract the raw text from the word list, substituting one space
-	# for non-empty inter-word space, and terminating with '\n'
-	def extract(self):
-		text = ''
-		for w in self.words:
-			if type(w) is not Int:
-				word = w[1]
-				if w[3]: word = word + ' '
-				text = text + word
-		return text + '\n'
-	#
-	# Return which character position was hit by the mouse, as
-	# an offset in the entire text as returned by extract().
-	# Return None if the mouse was not in this paragraph
-	def whereis(self, d, mouseh, mousev):
-		if mousev < self.top or mousev > self.bottom:
-			return None
-		self.mouseh = mouseh
-		self.mousev = mousev
-		self.lastfont = None
-		self.charcount = 0
-		try:
-			self.d = d
-			return self.visit(self.__class__._whereisword, \
-					  self.__class__._whereisanchor)
-		finally:
-			self.d = None
-	#
-	def _whereisword(self, tuple, word, h1, v1, h2, v2, isfirst, islast):
-		fo, te, wi, sp, st, as, de = word
-		if fo is not None: self.lastfont = fo
-		h = h1
-		if isfirst: h1 = 0
-		if islast: h2 = 999999
-		if not (v1 <= self.mousev <= v2 and h1 <= self.mouseh <= h2):
-			self.charcount = self.charcount + len(te) + (sp > 0)
-			return
-		if self.lastfont is not None:
-			self.d.setfont(self.lastfont)
-		cc = 0
-		for c in te:
-			cw = self.d.textwidth(c)
-			if self.mouseh <= h + cw/2:
-				return self.charcount + cc
-			cc = cc+1
-			h = h+cw
-		self.charcount = self.charcount + cc
-		if self.mouseh <= (h+h2) / 2:
-			return self.charcount
-		else:
-			return self.charcount + 1
-	#
-	def _whereisanchor(self, tuple, word, h, v):
-		pass
-	#
-	# Return screen position corresponding to position in paragraph.
-	# Return tuple (h, vtop, vbaseline, vbottom).
-	# This is more or less the inverse of whereis()
-	def screenpos(self, d, pos):
-		if pos < 0:
-			ascent, descent = self.lines[0][5:7]
-			return self.left, self.top, self.top + ascent, \
-				self.top + ascent + descent
-		self.pos = pos
-		self.lastfont = None
-		try:
-			self.d = d
-			ok = self.visit(self.__class__._screenposword, \
-					self.__class__._screenposanchor)
-		finally:
-			self.d = None
-		if ok is None:
-			ascent, descent = self.lines[-1][5:7]
-			ok = self.right, self.bottom - ascent - descent, \
-				self.bottom - descent, self.bottom
-		return ok
-	#
-	def _screenposword(self, tuple, word, h1, v1, h2, v2, isfirst, islast):
-		fo, te, wi, sp, st, as, de = word
-		if fo is not None: self.lastfont = fo
-		cc = len(te) + (sp > 0)
-		if self.pos > cc:
-			self.pos = self.pos - cc
-			return
-		if self.pos < cc:
-			self.d.setfont(self.lastfont)
-			h = h1 + self.d.textwidth(te[:self.pos])
-		else:
-			h = h2
-		ascent, descent = tuple[5:7]
-		return h, v1, v1+ascent, v2
-	#
-	def _screenposanchor(self, tuple, word, h, v):
-		pass
-	#
-	# Invert the stretch of text between pos1 and pos2.
-	# If pos1 is None, the beginning is implied;
-	# if pos2 is None, the end is implied.
-	# Undoes its own effect when called again with the same arguments
-	def invert(self, d, pos1, pos2):
-		if pos1 is None:
-			pos1 = self.left, self.top, self.top, self.top
-		else:
-			pos1 = self.screenpos(d, pos1)
-		if pos2 is None:
-			pos2 = self.right, self.bottom,self.bottom,self.bottom
-		else:
-			pos2 = self.screenpos(d, pos2)
-		h1, top1, baseline1, bottom1 = pos1
-		h2, top2, baseline2, bottom2 = pos2
-		if bottom1 <= top2:
-			d.invert((h1, top1), (self.right, bottom1))
-			h1 = self.left
-			if bottom1 < top2:
-				d.invert((h1, bottom1), (self.right, top2))
-			top1, bottom1 = top2, bottom2
-		d.invert((h1, top1), (h2, bottom2))
+    #
+    def __init__(self):
+        self.words = [] # The words
+        self.just = 'l' # Justification: 'l', 'r', 'lr' or 'c'
+        self.indent_left = self.indent_right = self.indent_hang = 0
+        # Final lay-out parameters, may change
+        self.left = self.top = self.right = self.bottom = \
+                self.width = self.height = self.lines = None
+    #
+    # Add a word, computing size information for it.
+    # Words may also be added manually by appending to self.words
+    # Each word should be a 7-tuple:
+    # (font, text, width, space, stretch, ascent, descent)
+    def addword(self, d, font, text, space, stretch):
+        if font is not None:
+            d.setfont(font)
+        width = d.textwidth(text)
+        ascent = d.baseline()
+        descent = d.lineheight() - ascent
+        spw = d.textwidth(' ')
+        space = space * spw
+        stretch = stretch * spw
+        tuple = (font, text, width, space, stretch, ascent, descent)
+        self.words.append(tuple)
+    #
+    # Hooks to begin and end anchors -- insert numbers in the word list!
+    def bgn_anchor(self, id):
+        self.words.append(id)
+    #
+    def end_anchor(self, id):
+        self.words.append(0)
+    #
+    # Return the total length (width) of the text added so far, in pixels
+    def getlength(self):
+        total = 0
+        for word in self.words:
+            if type(word) is not Int:
+                total = total + word[2] + word[3]
+        return total
+    #
+    # Tab to a given position (relative to the current left indent):
+    # remove all stretch, add fixed space up to the new indent.
+    # If the current position is already at the tab stop,
+    # don't add any new space (but still remove the stretch)
+    def tabto(self, tab):
+        total = 0
+        as, de = 1, 0
+        for i in range(len(self.words)):
+            word = self.words[i]
+            if type(word) is Int: continue
+            (fo, te, wi, sp, st, as, de) = word
+            self.words[i] = (fo, te, wi, sp, 0, as, de)
+            total = total + wi + sp
+        if total < tab:
+            self.words.append((None, '', 0, tab-total, 0, as, de))
+    #
+    # Make a hanging tag: tab to hang, increment indent_left by hang,
+    # and reset indent_hang to -hang
+    def makehangingtag(self, hang):
+        self.tabto(hang)
+        self.indent_left = self.indent_left + hang
+        self.indent_hang = -hang
+    #
+    # Decide where the line breaks will be given some screen width
+    def layout(self, linewidth):
+        self.width = linewidth
+        height = 0
+        self.lines = lines = []
+        avail1 = self.width - self.indent_left - self.indent_right
+        avail = avail1 - self.indent_hang
+        words = self.words
+        i = 0
+        n = len(words)
+        lastfont = None
+        while i < n:
+            firstfont = lastfont
+            charcount = 0
+            width = 0
+            stretch = 0
+            ascent = 0
+            descent = 0
+            lsp = 0
+            j = i
+            while i < n:
+                word = words[i]
+                if type(word) is Int:
+                    if word > 0 and width >= avail:
+                        break
+                    i = i+1
+                    continue
+                fo, te, wi, sp, st, as, de = word
+                if width + wi > avail and width > 0 and wi > 0:
+                    break
+                if fo is not None:
+                    lastfont = fo
+                    if width == 0:
+                        firstfont = fo
+                charcount = charcount + len(te) + (sp > 0)
+                width = width + wi + sp
+                lsp = sp
+                stretch = stretch + st
+                lst = st
+                ascent = max(ascent, as)
+                descent = max(descent, de)
+                i = i+1
+            while i > j and type(words[i-1]) is Int and \
+                    words[i-1] > 0: i = i-1
+            width = width - lsp
+            if i < n:
+                stretch = stretch - lst
+            else:
+                stretch = 0
+            tuple = i-j, firstfont, charcount, width, stretch, \
+                    ascent, descent
+            lines.append(tuple)
+            height = height + ascent + descent
+            avail = avail1
+        self.height = height
+    #
+    # Call a function for all words in a line
+    def visit(self, wordfunc, anchorfunc):
+        avail1 = self.width - self.indent_left - self.indent_right
+        avail = avail1 - self.indent_hang
+        v = self.top
+        i = 0
+        for tuple in self.lines:
+            wordcount, firstfont, charcount, width, stretch, \
+                    ascent, descent = tuple
+            h = self.left + self.indent_left
+            if i == 0: h = h + self.indent_hang
+            extra = 0
+            if self.just == 'r': h = h + avail - width
+            elif self.just == 'c': h = h + (avail - width) / 2
+            elif self.just == 'lr' and stretch > 0:
+                extra = avail - width
+            v2 = v + ascent + descent
+            for j in range(i, i+wordcount):
+                word = self.words[j]
+                if type(word) is Int:
+                    ok = anchorfunc(self, tuple, word, \
+                                    h, v)
+                    if ok is not None: return ok
+                    continue
+                fo, te, wi, sp, st, as, de = word
+                if extra > 0 and stretch > 0:
+                    ex = extra * st / stretch
+                    extra = extra - ex
+                    stretch = stretch - st
+                else:
+                    ex = 0
+                h2 = h + wi + sp + ex
+                ok = wordfunc(self, tuple, word, h, v, \
+                        h2, v2, (j==i), (j==i+wordcount-1))
+                if ok is not None: return ok
+                h = h2
+            v = v2
+            i = i + wordcount
+            avail = avail1
+    #
+    # Render a paragraph in "drawing object" d, using the rectangle
+    # given by (left, top, right) with an unspecified bottom.
+    # Return the computed bottom of the text.
+    def render(self, d, left, top, right):
+        if self.width != right-left:
+            self.layout(right-left)
+        self.left = left
+        self.top = top
+        self.right = right
+        self.bottom = self.top + self.height
+        self.anchorid = 0
+        try:
+            self.d = d
+            self.visit(self.__class__._renderword, \
+                       self.__class__._renderanchor)
+        finally:
+            self.d = None
+        return self.bottom
+    #
+    def _renderword(self, tuple, word, h, v, h2, v2, isfirst, islast):
+        if word[0] is not None: self.d.setfont(word[0])
+        baseline = v + tuple[5]
+        self.d.text((h, baseline - word[5]), word[1])
+        if self.anchorid > 0:
+            self.d.line((h, baseline+2), (h2, baseline+2))
+    #
+    def _renderanchor(self, tuple, word, h, v):
+        self.anchorid = word
+    #
+    # Return which anchor(s) was hit by the mouse
+    def hitcheck(self, mouseh, mousev):
+        self.mouseh = mouseh
+        self.mousev = mousev
+        self.anchorid = 0
+        self.hits = []
+        self.visit(self.__class__._hitcheckword, \
+                   self.__class__._hitcheckanchor)
+        return self.hits
+    #
+    def _hitcheckword(self, tuple, word, h, v, h2, v2, isfirst, islast):
+        if self.anchorid > 0 and h <= self.mouseh <= h2 and \
+                v <= self.mousev <= v2:
+            self.hits.append(self.anchorid)
+    #
+    def _hitcheckanchor(self, tuple, word, h, v):
+        self.anchorid = word
+    #
+    # Return whether the given anchor id is present
+    def hasanchor(self, id):
+        return id in self.words or -id in self.words
+    #
+    # Extract the raw text from the word list, substituting one space
+    # for non-empty inter-word space, and terminating with '\n'
+    def extract(self):
+        text = ''
+        for w in self.words:
+            if type(w) is not Int:
+                word = w[1]
+                if w[3]: word = word + ' '
+                text = text + word
+        return text + '\n'
+    #
+    # Return which character position was hit by the mouse, as
+    # an offset in the entire text as returned by extract().
+    # Return None if the mouse was not in this paragraph
+    def whereis(self, d, mouseh, mousev):
+        if mousev < self.top or mousev > self.bottom:
+            return None
+        self.mouseh = mouseh
+        self.mousev = mousev
+        self.lastfont = None
+        self.charcount = 0
+        try:
+            self.d = d
+            return self.visit(self.__class__._whereisword, \
+                              self.__class__._whereisanchor)
+        finally:
+            self.d = None
+    #
+    def _whereisword(self, tuple, word, h1, v1, h2, v2, isfirst, islast):
+        fo, te, wi, sp, st, as, de = word
+        if fo is not None: self.lastfont = fo
+        h = h1
+        if isfirst: h1 = 0
+        if islast: h2 = 999999
+        if not (v1 <= self.mousev <= v2 and h1 <= self.mouseh <= h2):
+            self.charcount = self.charcount + len(te) + (sp > 0)
+            return
+        if self.lastfont is not None:
+            self.d.setfont(self.lastfont)
+        cc = 0
+        for c in te:
+            cw = self.d.textwidth(c)
+            if self.mouseh <= h + cw/2:
+                return self.charcount + cc
+            cc = cc+1
+            h = h+cw
+        self.charcount = self.charcount + cc
+        if self.mouseh <= (h+h2) / 2:
+            return self.charcount
+        else:
+            return self.charcount + 1
+    #
+    def _whereisanchor(self, tuple, word, h, v):
+        pass
+    #
+    # Return screen position corresponding to position in paragraph.
+    # Return tuple (h, vtop, vbaseline, vbottom).
+    # This is more or less the inverse of whereis()
+    def screenpos(self, d, pos):
+        if pos < 0:
+            ascent, descent = self.lines[0][5:7]
+            return self.left, self.top, self.top + ascent, \
+                    self.top + ascent + descent
+        self.pos = pos
+        self.lastfont = None
+        try:
+            self.d = d
+            ok = self.visit(self.__class__._screenposword, \
+                            self.__class__._screenposanchor)
+        finally:
+            self.d = None
+        if ok is None:
+            ascent, descent = self.lines[-1][5:7]
+            ok = self.right, self.bottom - ascent - descent, \
+                    self.bottom - descent, self.bottom
+        return ok
+    #
+    def _screenposword(self, tuple, word, h1, v1, h2, v2, isfirst, islast):
+        fo, te, wi, sp, st, as, de = word
+        if fo is not None: self.lastfont = fo
+        cc = len(te) + (sp > 0)
+        if self.pos > cc:
+            self.pos = self.pos - cc
+            return
+        if self.pos < cc:
+            self.d.setfont(self.lastfont)
+            h = h1 + self.d.textwidth(te[:self.pos])
+        else:
+            h = h2
+        ascent, descent = tuple[5:7]
+        return h, v1, v1+ascent, v2
+    #
+    def _screenposanchor(self, tuple, word, h, v):
+        pass
+    #
+    # Invert the stretch of text between pos1 and pos2.
+    # If pos1 is None, the beginning is implied;
+    # if pos2 is None, the end is implied.
+    # Undoes its own effect when called again with the same arguments
+    def invert(self, d, pos1, pos2):
+        if pos1 is None:
+            pos1 = self.left, self.top, self.top, self.top
+        else:
+            pos1 = self.screenpos(d, pos1)
+        if pos2 is None:
+            pos2 = self.right, self.bottom,self.bottom,self.bottom
+        else:
+            pos2 = self.screenpos(d, pos2)
+        h1, top1, baseline1, bottom1 = pos1
+        h2, top2, baseline2, bottom2 = pos2
+        if bottom1 <= top2:
+            d.invert((h1, top1), (self.right, bottom1))
+            h1 = self.left
+            if bottom1 < top2:
+                d.invert((h1, bottom1), (self.right, top2))
+            top1, bottom1 = top2, bottom2
+        d.invert((h1, top1), (h2, bottom2))
diff --git a/Lib/lib-old/addpack.py b/Lib/lib-old/addpack.py
index 3d09236..2fb2601 100644
--- a/Lib/lib-old/addpack.py
+++ b/Lib/lib-old/addpack.py
@@ -33,35 +33,35 @@
 #
 # If no directory is found, ImportError is raised.
 
-_packs = {}				# {pack: [pathname, ...], ...}
+_packs = {}                             # {pack: [pathname, ...], ...}
 
 def addpack(pack, *locations):
-	import os
-	if os.path.isabs(pack):
-		base = os.path.basename(pack)
-	else:
-		base = pack
-	if _packs.has_key(base):
-		return
-	import sys
-	path = []
-	for loc in _flatten(locations) + sys.path:
-		fn = os.path.join(loc, base)
-		if fn not in path and os.path.isdir(fn):
-			path.append(fn)
-	if pack != base and pack not in path and os.path.isdir(pack):
-		path.append(pack)
-	if not path: raise ImportError, 'package ' + pack + ' not found'
-	_packs[base] = path
-	for fn in path:
-		if fn not in sys.path:
-			sys.path.append(fn)
+    import os
+    if os.path.isabs(pack):
+        base = os.path.basename(pack)
+    else:
+        base = pack
+    if _packs.has_key(base):
+        return
+    import sys
+    path = []
+    for loc in _flatten(locations) + sys.path:
+        fn = os.path.join(loc, base)
+        if fn not in path and os.path.isdir(fn):
+            path.append(fn)
+    if pack != base and pack not in path and os.path.isdir(pack):
+        path.append(pack)
+    if not path: raise ImportError, 'package ' + pack + ' not found'
+    _packs[base] = path
+    for fn in path:
+        if fn not in sys.path:
+            sys.path.append(fn)
 
 def _flatten(locations):
-	locs = []
-	for loc in locations:
-		if type(loc) == type(''):
-			locs.append(loc)
-		else:
-			locs = locs + _flatten(loc)
-	return locs
+    locs = []
+    for loc in locations:
+        if type(loc) == type(''):
+            locs.append(loc)
+        else:
+            locs = locs + _flatten(loc)
+    return locs
diff --git a/Lib/lib-old/codehack.py b/Lib/lib-old/codehack.py
index 248205b..0b5e3a1 100644
--- a/Lib/lib-old/codehack.py
+++ b/Lib/lib-old/codehack.py
@@ -36,46 +36,46 @@
 _namecache = {} # The cache
 
 def getcodename(co):
-	try:
-		return co.co_name
-	except AttributeError:
-		pass
-	key = `co` # arbitrary but uniquely identifying string
-	if _namecache.has_key(key): return _namecache[key]
-	filename = co.co_filename
-	code = co.co_code
-	name = ''
-	if ord(code[0]) == SET_LINENO:
-		lineno = ord(code[1]) | ord(code[2]) << 8
-		line = linecache.getline(filename, lineno)
-		words = line.split()
-		if len(words) >= 2 and words[0] in ('def', 'class'):
-			name = words[1]
-			for i in range(len(name)):
-				if name[i] not in identchars:
-					name = name[:i]
-					break
-	_namecache[key] = name
-	return name
+    try:
+        return co.co_name
+    except AttributeError:
+        pass
+    key = `co` # arbitrary but uniquely identifying string
+    if _namecache.has_key(key): return _namecache[key]
+    filename = co.co_filename
+    code = co.co_code
+    name = ''
+    if ord(code[0]) == SET_LINENO:
+        lineno = ord(code[1]) | ord(code[2]) << 8
+        line = linecache.getline(filename, lineno)
+        words = line.split()
+        if len(words) >= 2 and words[0] in ('def', 'class'):
+            name = words[1]
+            for i in range(len(name)):
+                if name[i] not in identchars:
+                    name = name[:i]
+                    break
+    _namecache[key] = name
+    return name
 
 # Use the above routine to find a function's name.
 
 def getfuncname(func):
-	try:
-		return func.func_name
-	except AttributeError:
-		pass
-	return getcodename(func.func_code)
+    try:
+        return func.func_name
+    except AttributeError:
+        pass
+    return getcodename(func.func_code)
 
 # A part of the above code to extract just the line number from a code object.
 
 def getlineno(co):
-	try:
-		return co.co_firstlineno
-	except AttributeError:
-		pass
-	code = co.co_code
-	if ord(code[0]) == SET_LINENO:
-		return ord(code[1]) | ord(code[2]) << 8
-	else:
-		return -1
+    try:
+        return co.co_firstlineno
+    except AttributeError:
+        pass
+    code = co.co_code
+    if ord(code[0]) == SET_LINENO:
+        return ord(code[1]) | ord(code[2]) << 8
+    else:
+        return -1
diff --git a/Lib/lib-old/dump.py b/Lib/lib-old/dump.py
index ec895b7..60bdba8 100644
--- a/Lib/lib-old/dump.py
+++ b/Lib/lib-old/dump.py
@@ -23,41 +23,41 @@
 # Dump a whole symbol table
 #
 def dumpsymtab(dict):
-	for key in dict.keys():
-		dumpvar(key, dict[key])
+    for key in dict.keys():
+        dumpvar(key, dict[key])
 
 # Dump a single variable
 #
 def dumpvar(name, x):
-	import sys
-	t = type(x)
-	if t == type({}):
-		print name, '= {}'
-		for key in x.keys():
-			item = x[key]
-			if not printable(item):
-				print '#',
-			print name, '[', `key`, '] =', `item`
-	elif t in (type(''), type(0), type(0.0), type([]), type(())):
-		if not printable(x):
-			print '#',
-		print name, '=', `x`
-	elif t == type(sys):
-		print 'import', name, '#', x
-	else:
-		print '#', name, '=', x
+    import sys
+    t = type(x)
+    if t == type({}):
+        print name, '= {}'
+        for key in x.keys():
+            item = x[key]
+            if not printable(item):
+                print '#',
+            print name, '[', `key`, '] =', `item`
+    elif t in (type(''), type(0), type(0.0), type([]), type(())):
+        if not printable(x):
+            print '#',
+        print name, '=', `x`
+    elif t == type(sys):
+        print 'import', name, '#', x
+    else:
+        print '#', name, '=', x
 
 # check if a value is printable in a way that can be read back with input()
 #
 def printable(x):
-	t = type(x)
-	if t in (type(''), type(0), type(0.0)):
-		return 1
-	if t in (type([]), type(())):
-		for item in x:
-			if not printable(item):
-				return 0
-		return 1
-	if x == {}:
-		return 1
-	return 0
+    t = type(x)
+    if t in (type(''), type(0), type(0.0)):
+        return 1
+    if t in (type([]), type(())):
+        for item in x:
+            if not printable(item):
+                return 0
+        return 1
+    if x == {}:
+        return 1
+    return 0
diff --git a/Lib/lib-old/find.py b/Lib/lib-old/find.py
index ccd9fdb..39ad771 100644
--- a/Lib/lib-old/find.py
+++ b/Lib/lib-old/find.py
@@ -6,21 +6,21 @@
 _prune = ['(*)']
 
 def find(pattern, dir = os.curdir):
-	list = []
-	names = os.listdir(dir)
-	names.sort()
-	for name in names:
-		if name in (os.curdir, os.pardir):
-			continue
-		fullname = os.path.join(dir, name)
-		if fnmatch.fnmatch(name, pattern):
-			list.append(fullname)
-		if os.path.isdir(fullname) and not os.path.islink(fullname):
-			for p in _prune:
-				if fnmatch.fnmatch(name, p):
-					if _debug: print "skip", `fullname`
-					break
-			else:
-				if _debug: print "descend into", `fullname`
-				list = list + find(pattern, fullname)
-	return list
+    list = []
+    names = os.listdir(dir)
+    names.sort()
+    for name in names:
+        if name in (os.curdir, os.pardir):
+            continue
+        fullname = os.path.join(dir, name)
+        if fnmatch.fnmatch(name, pattern):
+            list.append(fullname)
+        if os.path.isdir(fullname) and not os.path.islink(fullname):
+            for p in _prune:
+                if fnmatch.fnmatch(name, p):
+                    if _debug: print "skip", `fullname`
+                    break
+            else:
+                if _debug: print "descend into", `fullname`
+                list = list + find(pattern, fullname)
+    return list
diff --git a/Lib/lib-old/fmt.py b/Lib/lib-old/fmt.py
index dfea987..997d37a 100644
--- a/Lib/lib-old/fmt.py
+++ b/Lib/lib-old/fmt.py
@@ -12,96 +12,96 @@
 
 # Formatter back-end to do nothing at all with the paragraphs
 class NullBackEnd:
-	#
-	def __init__(self):
-		pass
-	#
-	def addpara(self, p):
-		pass
-	#
-	def bgn_anchor(self, id):
-		pass
-	#
-	def end_anchor(self, id):
-		pass
+    #
+    def __init__(self):
+        pass
+    #
+    def addpara(self, p):
+        pass
+    #
+    def bgn_anchor(self, id):
+        pass
+    #
+    def end_anchor(self, id):
+        pass
 
 
 # Formatter back-end to collect the paragraphs in a list
 class SavingBackEnd(NullBackEnd):
-	#
-	def __init__(self):
-		self.paralist = []
-	#
-	def addpara(self, p):
-		self.paralist.append(p)
-	#
-	def hitcheck(self, h, v):
-		hits = []
-		for p in self.paralist:
-			if p.top <= v <= p.bottom:
-				for id in p.hitcheck(h, v):
-					if id not in hits:
-						hits.append(id)
-		return hits
-	#
-	def extract(self):
-		text = ''
-		for p in self.paralist:
-			text = text + (p.extract())
-		return text
-	#
-	def extractpart(self, long1, long2):
-		if long1 > long2: long1, long2 = long2, long1
-		para1, pos1 = long1
-		para2, pos2 = long2
-		text = ''
-		while para1 < para2:
-			ptext = self.paralist[para1].extract()
-			text = text + ptext[pos1:]
-			pos1 = 0
-			para1 = para1 + 1
-		ptext = self.paralist[para2].extract()
-		return text + ptext[pos1:pos2]
-	#
-	def whereis(self, d, h, v):
-		total = 0
-		for i in range(len(self.paralist)):
-			p = self.paralist[i]
-			result = p.whereis(d, h, v)
-			if result is not None:
-				return i, result
-		return None
-	#
-	def roundtowords(self, long1, long2):
-		i, offset = long1
-		text = self.paralist[i].extract()
-		while offset > 0 and text[offset-1] != ' ': offset = offset-1
-		long1 = i, offset
-		#
-		i, offset = long2
-		text = self.paralist[i].extract()
-		n = len(text)
-		while offset < n-1 and text[offset] != ' ': offset = offset+1
-		long2 = i, offset
-		#
-		return long1, long2
-	#
-	def roundtoparagraphs(self, long1, long2):
-		long1 = long1[0], 0
-		long2 = long2[0], len(self.paralist[long2[0]].extract())
-		return long1, long2
+    #
+    def __init__(self):
+        self.paralist = []
+    #
+    def addpara(self, p):
+        self.paralist.append(p)
+    #
+    def hitcheck(self, h, v):
+        hits = []
+        for p in self.paralist:
+            if p.top <= v <= p.bottom:
+                for id in p.hitcheck(h, v):
+                    if id not in hits:
+                        hits.append(id)
+        return hits
+    #
+    def extract(self):
+        text = ''
+        for p in self.paralist:
+            text = text + (p.extract())
+        return text
+    #
+    def extractpart(self, long1, long2):
+        if long1 > long2: long1, long2 = long2, long1
+        para1, pos1 = long1
+        para2, pos2 = long2
+        text = ''
+        while para1 < para2:
+            ptext = self.paralist[para1].extract()
+            text = text + ptext[pos1:]
+            pos1 = 0
+            para1 = para1 + 1
+        ptext = self.paralist[para2].extract()
+        return text + ptext[pos1:pos2]
+    #
+    def whereis(self, d, h, v):
+        total = 0
+        for i in range(len(self.paralist)):
+            p = self.paralist[i]
+            result = p.whereis(d, h, v)
+            if result is not None:
+                return i, result
+        return None
+    #
+    def roundtowords(self, long1, long2):
+        i, offset = long1
+        text = self.paralist[i].extract()
+        while offset > 0 and text[offset-1] != ' ': offset = offset-1
+        long1 = i, offset
+        #
+        i, offset = long2
+        text = self.paralist[i].extract()
+        n = len(text)
+        while offset < n-1 and text[offset] != ' ': offset = offset+1
+        long2 = i, offset
+        #
+        return long1, long2
+    #
+    def roundtoparagraphs(self, long1, long2):
+        long1 = long1[0], 0
+        long2 = long2[0], len(self.paralist[long2[0]].extract())
+        return long1, long2
 
 
 # Formatter back-end to send the text directly to the drawing object
 class WritingBackEnd(NullBackEnd):
-	#
-	def __init__(self, d, width):
-		self.d = d
-		self.width = width
-		self.lineno = 0
-	#
-	def addpara(self, p):
-		self.lineno = p.render(self.d, 0, self.lineno, self.width)
+    #
+    def __init__(self, d, width):
+        self.d = d
+        self.width = width
+        self.lineno = 0
+    #
+    def addpara(self, p):
+        self.lineno = p.render(self.d, 0, self.lineno, self.width)
 
 
 # A formatter receives a stream of formatting instructions and assembles
@@ -125,192 +125,192 @@
 # needvspace(nlines)
 # addword(word, nspaces)
 class BaseFormatter:
-	#
-	def __init__(self, d, b):
-		# Drawing object used for text measurements
-		self.d = d
-		#
-		# BackEnd object receiving completed paragraphs
-		self.b = b
-		#
-		# Parameters of the formatting model
-		self.leftindent = 0
-		self.just = 'l'
-		self.font = None
-		self.blanklines = 0
-		#
-		# Parameters derived from the current font
-		self.space = d.textwidth(' ')
-		self.line = d.lineheight()
-		self.ascent = d.baseline()
-		self.descent = self.line - self.ascent
-		#
-		# Parameter derived from the default font
-		self.n_space = self.space
-		#
-		# Current paragraph being built
-		self.para = None
-		self.nospace = 1
-		#
-		# Font to set on the next word
-		self.nextfont = None
-	#
-	def newpara(self):
-		return Para.Para()
-	#
-	def setfont(self, font):
-		if font is None: return
-		self.font = self.nextfont = font
-		d = self.d
-		d.setfont(font)
-		self.space = d.textwidth(' ')
-		self.line = d.lineheight()
-		self.ascent = d.baseline()
-		self.descent = self.line - self.ascent
-	#
-	def setleftindent(self, nspaces):
-		self.leftindent = int(self.n_space * nspaces)
-		if self.para:
-			hang = self.leftindent - self.para.indent_left
-			if hang > 0 and self.para.getlength() <= hang:
-				self.para.makehangingtag(hang)
-				self.nospace = 1
-			else:
-				self.flush()
-	#
-	def setrightindent(self, nspaces):
-		self.rightindent = int(self.n_space * nspaces)
-		if self.para:
-			self.para.indent_right = self.rightindent
-			self.flush()
-	#
-	def setjust(self, just):
-		self.just = just
-		if self.para:
-			self.para.just = self.just
-	#
-	def flush(self):
-		if self.para:
-			self.b.addpara(self.para)
-			self.para = None
-			if self.font is not None:
-				self.d.setfont(self.font)
-		self.nospace = 1
-	#
-	def vspace(self, nlines):
-		self.flush()
-		if nlines > 0:
-			self.para = self.newpara()
-			tuple = None, '', 0, 0, 0, int(nlines*self.line), 0
-			self.para.words.append(tuple)
-			self.flush()
-			self.blanklines = self.blanklines + nlines
-	#
-	def needvspace(self, nlines):
-		self.flush() # Just to be sure
-		if nlines > self.blanklines:
-			self.vspace(nlines - self.blanklines)
-	#
-	def addword(self, text, space):
-		if self.nospace and not text:
-			return
-		self.nospace = 0
-		self.blanklines = 0
-		if not self.para:
-			self.para = self.newpara()
-			self.para.indent_left = self.leftindent
-			self.para.just = self.just
-			self.nextfont = self.font
-		space = int(space * self.space)
-		self.para.words.append((self.nextfont, text,
-			self.d.textwidth(text), space, space,
-			self.ascent, self.descent))
-		self.nextfont = None
-	#
-	def bgn_anchor(self, id):
-		if not self.para:
-			self.nospace = 0
-			self.addword('', 0)
-		self.para.bgn_anchor(id)
-	#
-	def end_anchor(self, id):
-		if not self.para:
-			self.nospace = 0
-			self.addword('', 0)
-		self.para.end_anchor(id)
+    #
+    def __init__(self, d, b):
+        # Drawing object used for text measurements
+        self.d = d
+        #
+        # BackEnd object receiving completed paragraphs
+        self.b = b
+        #
+        # Parameters of the formatting model
+        self.leftindent = 0
+        self.just = 'l'
+        self.font = None
+        self.blanklines = 0
+        #
+        # Parameters derived from the current font
+        self.space = d.textwidth(' ')
+        self.line = d.lineheight()
+        self.ascent = d.baseline()
+        self.descent = self.line - self.ascent
+        #
+        # Parameter derived from the default font
+        self.n_space = self.space
+        #
+        # Current paragraph being built
+        self.para = None
+        self.nospace = 1
+        #
+        # Font to set on the next word
+        self.nextfont = None
+    #
+    def newpara(self):
+        return Para.Para()
+    #
+    def setfont(self, font):
+        if font is None: return
+        self.font = self.nextfont = font
+        d = self.d
+        d.setfont(font)
+        self.space = d.textwidth(' ')
+        self.line = d.lineheight()
+        self.ascent = d.baseline()
+        self.descent = self.line - self.ascent
+    #
+    def setleftindent(self, nspaces):
+        self.leftindent = int(self.n_space * nspaces)
+        if self.para:
+            hang = self.leftindent - self.para.indent_left
+            if hang > 0 and self.para.getlength() <= hang:
+                self.para.makehangingtag(hang)
+                self.nospace = 1
+            else:
+                self.flush()
+    #
+    def setrightindent(self, nspaces):
+        self.rightindent = int(self.n_space * nspaces)
+        if self.para:
+            self.para.indent_right = self.rightindent
+            self.flush()
+    #
+    def setjust(self, just):
+        self.just = just
+        if self.para:
+            self.para.just = self.just
+    #
+    def flush(self):
+        if self.para:
+            self.b.addpara(self.para)
+            self.para = None
+            if self.font is not None:
+                self.d.setfont(self.font)
+        self.nospace = 1
+    #
+    def vspace(self, nlines):
+        self.flush()
+        if nlines > 0:
+            self.para = self.newpara()
+            tuple = None, '', 0, 0, 0, int(nlines*self.line), 0
+            self.para.words.append(tuple)
+            self.flush()
+            self.blanklines = self.blanklines + nlines
+    #
+    def needvspace(self, nlines):
+        self.flush() # Just to be sure
+        if nlines > self.blanklines:
+            self.vspace(nlines - self.blanklines)
+    #
+    def addword(self, text, space):
+        if self.nospace and not text:
+            return
+        self.nospace = 0
+        self.blanklines = 0
+        if not self.para:
+            self.para = self.newpara()
+            self.para.indent_left = self.leftindent
+            self.para.just = self.just
+            self.nextfont = self.font
+        space = int(space * self.space)
+        self.para.words.append((self.nextfont, text,
+                self.d.textwidth(text), space, space,
+                self.ascent, self.descent))
+        self.nextfont = None
+    #
+    def bgn_anchor(self, id):
+        if not self.para:
+            self.nospace = 0
+            self.addword('', 0)
+        self.para.bgn_anchor(id)
+    #
+    def end_anchor(self, id):
+        if not self.para:
+            self.nospace = 0
+            self.addword('', 0)
+        self.para.end_anchor(id)
 
 
 # Measuring object for measuring text as viewed on a tty
 class NullMeasurer:
-	#
-	def __init__(self):
-		pass
-	#
-	def setfont(self, font):
-		pass
-	#
-	def textwidth(self, text):
-		return len(text)
-	#
-	def lineheight(self):
-		return 1
-	#
-	def baseline(self):
-		return 0
+    #
+    def __init__(self):
+        pass
+    #
+    def setfont(self, font):
+        pass
+    #
+    def textwidth(self, text):
+        return len(text)
+    #
+    def lineheight(self):
+        return 1
+    #
+    def baseline(self):
+        return 0
 
 
 # Drawing object for writing plain ASCII text to a file
 class FileWriter:
-	#
-	def __init__(self, fp):
-		self.fp = fp
-		self.lineno, self.colno = 0, 0
-	#
-	def setfont(self, font):
-		pass
-	#
-	def text(self, (h, v), str):
-		if not str: return
-		if '\n' in str:
-			raise ValueError, 'can\'t write \\n'
-		while self.lineno < v:
-			self.fp.write('\n')
-			self.colno, self.lineno = 0, self.lineno + 1
-		while self.lineno > v:
-			# XXX This should never happen...
-			self.fp.write('\033[A') # ANSI up arrow
-			self.lineno = self.lineno - 1
-		if self.colno < h:
-			self.fp.write(' ' * (h - self.colno))
-		elif self.colno > h:
-			self.fp.write('\b' * (self.colno - h))
-		self.colno = h
-		self.fp.write(str)
-		self.colno = h + len(str)
+    #
+    def __init__(self, fp):
+        self.fp = fp
+        self.lineno, self.colno = 0, 0
+    #
+    def setfont(self, font):
+        pass
+    #
+    def text(self, (h, v), str):
+        if not str: return
+        if '\n' in str:
+            raise ValueError, 'can\'t write \\n'
+        while self.lineno < v:
+            self.fp.write('\n')
+            self.colno, self.lineno = 0, self.lineno + 1
+        while self.lineno > v:
+            # XXX This should never happen...
+            self.fp.write('\033[A') # ANSI up arrow
+            self.lineno = self.lineno - 1
+        if self.colno < h:
+            self.fp.write(' ' * (h - self.colno))
+        elif self.colno > h:
+            self.fp.write('\b' * (self.colno - h))
+        self.colno = h
+        self.fp.write(str)
+        self.colno = h + len(str)
 
 
 # Formatting class to do nothing at all with the data
 class NullFormatter(BaseFormatter):
-	#
-	def __init__(self):
-		d = NullMeasurer()
-		b = NullBackEnd()
-		BaseFormatter.__init__(self, d, b)
+    #
+    def __init__(self):
+        d = NullMeasurer()
+        b = NullBackEnd()
+        BaseFormatter.__init__(self, d, b)
 
 
 # Formatting class to write directly to a file
 class WritingFormatter(BaseFormatter):
-	#
-	def __init__(self, fp, width):
-		dm = NullMeasurer()
-		dw = FileWriter(fp)
-		b = WritingBackEnd(dw, width)
-		BaseFormatter.__init__(self, dm, b)
-		self.blanklines = 1
-	#
-	# Suppress multiple blank lines
-	def needvspace(self, nlines):
-		BaseFormatter.needvspace(self, min(1, nlines))
+    #
+    def __init__(self, fp, width):
+        dm = NullMeasurer()
+        dw = FileWriter(fp)
+        b = WritingBackEnd(dw, width)
+        BaseFormatter.__init__(self, dm, b)
+        self.blanklines = 1
+    #
+    # Suppress multiple blank lines
+    def needvspace(self, nlines):
+        BaseFormatter.needvspace(self, min(1, nlines))
 
 
 # A "FunnyFormatter" writes ASCII text with a twist: *bold words*,
@@ -320,10 +320,10 @@
 # Moreover, if the font is in upper case, the text is converted to
 # UPPER CASE.
 class FunnyFormatter(WritingFormatter):
-	#
-	def flush(self):
-		if self.para: finalize(self.para)
-		WritingFormatter.flush(self)
+    #
+    def flush(self):
+        if self.para: finalize(self.para)
+        WritingFormatter.flush(self)
 
 
 # Surrounds *bold words* and _italic text_ in a paragraph with
@@ -334,33 +334,33 @@
 closechar = \
     {'b':'*', 'i':'_', 'u':'_', 'q':'\'', 'B':'*', 'I':'_', 'U':'_', 'Q':'\''}
 def finalize(para):
-	oldfont = curfont = 'r'
-	para.words.append(('r', '', 0, 0, 0, 0)) # temporary, deleted at end
-	for i in range(len(para.words)):
-		fo, te, wi = para.words[i][:3]
-		if fo is not None: curfont = fo
-		if curfont != oldfont:
-			if closechar.has_key(oldfont):
-				c = closechar[oldfont]
-				j = i-1
-				while j > 0 and para.words[j][1] == '': j = j-1
-				fo1, te1, wi1 = para.words[j][:3]
-				te1 = te1 + c
-				wi1 = wi1 + len(c)
-				para.words[j] = (fo1, te1, wi1) + \
-					para.words[j][3:]
-			if openchar.has_key(curfont) and te:
-				c = openchar[curfont]
-				te = c + te
-				wi = len(c) + wi
-				para.words[i] = (fo, te, wi) + \
-					para.words[i][3:]
-			if te: oldfont = curfont
-			else: oldfont = 'r'
-		if curfont in string.uppercase:
-			te = string.upper(te)
-			para.words[i] = (fo, te, wi) + para.words[i][3:]
-	del para.words[-1]
+    oldfont = curfont = 'r'
+    para.words.append(('r', '', 0, 0, 0, 0)) # temporary, deleted at end
+    for i in range(len(para.words)):
+        fo, te, wi = para.words[i][:3]
+        if fo is not None: curfont = fo
+        if curfont != oldfont:
+            if closechar.has_key(oldfont):
+                c = closechar[oldfont]
+                j = i-1
+                while j > 0 and para.words[j][1] == '': j = j-1
+                fo1, te1, wi1 = para.words[j][:3]
+                te1 = te1 + c
+                wi1 = wi1 + len(c)
+                para.words[j] = (fo1, te1, wi1) + \
+                        para.words[j][3:]
+            if openchar.has_key(curfont) and te:
+                c = openchar[curfont]
+                te = c + te
+                wi = len(c) + wi
+                para.words[i] = (fo, te, wi) + \
+                        para.words[i][3:]
+            if te: oldfont = curfont
+            else: oldfont = 'r'
+        if curfont in string.uppercase:
+            te = string.upper(te)
+            para.words[i] = (fo, te, wi) + para.words[i][3:]
+    del para.words[-1]
 
 
 # Formatter back-end to draw the text in a window.
@@ -368,256 +368,256 @@
 # to minimize the delay before the user sees anything.
 # This manages the entire "document" of the window.
 class StdwinBackEnd(SavingBackEnd):
-	#
-	def __init__(self, window, drawnow):
-		self.window = window
-		self.drawnow = drawnow
-		self.width = window.getwinsize()[0]
-		self.selection = None
-		self.height = 0
-		window.setorigin(0, 0)
-		window.setdocsize(0, 0)
-		self.d = window.begindrawing()
-		SavingBackEnd.__init__(self)
-	#
-	def finish(self):
-		self.d.close()
-		self.d = None
-		self.window.setdocsize(0, self.height)
-	#
-	def addpara(self, p):
-		self.paralist.append(p)
-		if self.drawnow:
-			self.height = \
-				p.render(self.d, 0, self.height, self.width)
-		else:
-			p.layout(self.width)
-			p.left = 0
-			p.top = self.height
-			p.right = self.width
-			p.bottom = self.height + p.height
-			self.height = p.bottom
-	#
-	def resize(self):
-		self.window.change((0, 0), (self.width, self.height))
-		self.width = self.window.getwinsize()[0]
-		self.height = 0
-		for p in self.paralist:
-			p.layout(self.width)
-			p.left = 0
-			p.top = self.height
-			p.right = self.width
-			p.bottom = self.height + p.height
-			self.height = p.bottom
-		self.window.change((0, 0), (self.width, self.height))
-		self.window.setdocsize(0, self.height)
-	#
-	def redraw(self, area):
-		d = self.window.begindrawing()
-		(left, top), (right, bottom) = area
-		d.erase(area)
-		d.cliprect(area)
-		for p in self.paralist:
-			if top < p.bottom and p.top < bottom:
-				v = p.render(d, p.left, p.top, p.right)
-		if self.selection:
-			self.invert(d, self.selection)
-		d.close()
-	#
-	def setselection(self, new):
-		if new:
-			long1, long2 = new
-			pos1 = long1[:3]
-			pos2 = long2[:3]
-			new = pos1, pos2
-		if new != self.selection:
-			d = self.window.begindrawing()
-			if self.selection:
-				self.invert(d, self.selection)
-			if new:
-				self.invert(d, new)
-			d.close()
-			self.selection = new
-	#
-	def getselection(self):
-		return self.selection
-	#
-	def extractselection(self):
-		if self.selection:
-			a, b = self.selection
-			return self.extractpart(a, b)
-		else:
-			return None
-	#
-	def invert(self, d, region):
-		long1, long2 = region
-		if long1 > long2: long1, long2 = long2, long1
-		para1, pos1 = long1
-		para2, pos2 = long2
-		while para1 < para2:
-			self.paralist[para1].invert(d, pos1, None)
-			pos1 = None
-			para1 = para1 + 1
-		self.paralist[para2].invert(d, pos1, pos2)
-	#
-	def search(self, prog):
-		import re, string
-		if type(prog) is type(''):
-			prog = re.compile(string.lower(prog))
-		if self.selection:
-			iold = self.selection[0][0]
-		else:
-			iold = -1
-		hit = None
-		for i in range(len(self.paralist)):
-			if i == iold or i < iold and hit:
-				continue
-			p = self.paralist[i]
-			text = string.lower(p.extract())
-			match = prog.search(text)
-			if match:
-				a, b = match.group(0)
-				long1 = i, a
-				long2 = i, b
-				hit = long1, long2
-				if i > iold:
-					break
-		if hit:
-			self.setselection(hit)
-			i = hit[0][0]
-			p = self.paralist[i]
-			self.window.show((p.left, p.top), (p.right, p.bottom))
-			return 1
-		else:
-			return 0
-	#
-	def showanchor(self, id):
-		for i in range(len(self.paralist)):
-			p = self.paralist[i]
-			if p.hasanchor(id):
-				long1 = i, 0
-				long2 = i, len(p.extract())
-				hit = long1, long2
-				self.setselection(hit)
-				self.window.show(
-					(p.left, p.top), (p.right, p.bottom))
-				break
+    #
+    def __init__(self, window, drawnow):
+        self.window = window
+        self.drawnow = drawnow
+        self.width = window.getwinsize()[0]
+        self.selection = None
+        self.height = 0
+        window.setorigin(0, 0)
+        window.setdocsize(0, 0)
+        self.d = window.begindrawing()
+        SavingBackEnd.__init__(self)
+    #
+    def finish(self):
+        self.d.close()
+        self.d = None
+        self.window.setdocsize(0, self.height)
+    #
+    def addpara(self, p):
+        self.paralist.append(p)
+        if self.drawnow:
+            self.height = \
+                    p.render(self.d, 0, self.height, self.width)
+        else:
+            p.layout(self.width)
+            p.left = 0
+            p.top = self.height
+            p.right = self.width
+            p.bottom = self.height + p.height
+            self.height = p.bottom
+    #
+    def resize(self):
+        self.window.change((0, 0), (self.width, self.height))
+        self.width = self.window.getwinsize()[0]
+        self.height = 0
+        for p in self.paralist:
+            p.layout(self.width)
+            p.left = 0
+            p.top = self.height
+            p.right = self.width
+            p.bottom = self.height + p.height
+            self.height = p.bottom
+        self.window.change((0, 0), (self.width, self.height))
+        self.window.setdocsize(0, self.height)
+    #
+    def redraw(self, area):
+        d = self.window.begindrawing()
+        (left, top), (right, bottom) = area
+        d.erase(area)
+        d.cliprect(area)
+        for p in self.paralist:
+            if top < p.bottom and p.top < bottom:
+                v = p.render(d, p.left, p.top, p.right)
+        if self.selection:
+            self.invert(d, self.selection)
+        d.close()
+    #
+    def setselection(self, new):
+        if new:
+            long1, long2 = new
+            pos1 = long1[:3]
+            pos2 = long2[:3]
+            new = pos1, pos2
+        if new != self.selection:
+            d = self.window.begindrawing()
+            if self.selection:
+                self.invert(d, self.selection)
+            if new:
+                self.invert(d, new)
+            d.close()
+            self.selection = new
+    #
+    def getselection(self):
+        return self.selection
+    #
+    def extractselection(self):
+        if self.selection:
+            a, b = self.selection
+            return self.extractpart(a, b)
+        else:
+            return None
+    #
+    def invert(self, d, region):
+        long1, long2 = region
+        if long1 > long2: long1, long2 = long2, long1
+        para1, pos1 = long1
+        para2, pos2 = long2
+        while para1 < para2:
+            self.paralist[para1].invert(d, pos1, None)
+            pos1 = None
+            para1 = para1 + 1
+        self.paralist[para2].invert(d, pos1, pos2)
+    #
+    def search(self, prog):
+        import re, string
+        if type(prog) is type(''):
+            prog = re.compile(string.lower(prog))
+        if self.selection:
+            iold = self.selection[0][0]
+        else:
+            iold = -1
+        hit = None
+        for i in range(len(self.paralist)):
+            if i == iold or i < iold and hit:
+                continue
+            p = self.paralist[i]
+            text = string.lower(p.extract())
+            match = prog.search(text)
+            if match:
+                a, b = match.group(0)
+                long1 = i, a
+                long2 = i, b
+                hit = long1, long2
+                if i > iold:
+                    break
+        if hit:
+            self.setselection(hit)
+            i = hit[0][0]
+            p = self.paralist[i]
+            self.window.show((p.left, p.top), (p.right, p.bottom))
+            return 1
+        else:
+            return 0
+    #
+    def showanchor(self, id):
+        for i in range(len(self.paralist)):
+            p = self.paralist[i]
+            if p.hasanchor(id):
+                long1 = i, 0
+                long2 = i, len(p.extract())
+                hit = long1, long2
+                self.setselection(hit)
+                self.window.show(
+                        (p.left, p.top), (p.right, p.bottom))
+                break
 
 
 # GL extensions
 
 class GLFontCache:
-	#
-	def __init__(self):
-		self.reset()
-		self.setfont('')
-	#
-	def reset(self):
-		self.fontkey = None
-		self.fonthandle = None
-		self.fontinfo = None
-		self.fontcache = {}
-	#
-	def close(self):
-		self.reset()
-	#
-	def setfont(self, fontkey):
-		if fontkey == '':
-			fontkey = 'Times-Roman 12'
-		elif ' ' not in fontkey:
-			fontkey = fontkey + ' 12'
-		if fontkey == self.fontkey:
-			return
-		if self.fontcache.has_key(fontkey):
-			handle = self.fontcache[fontkey]
-		else:
-			import string
-			i = string.index(fontkey, ' ')
-			name, sizestr = fontkey[:i], fontkey[i:]
-			size = eval(sizestr)
-			key1 = name + ' 1'
-			key = name + ' ' + `size`
-			# NB key may differ from fontkey!
-			if self.fontcache.has_key(key):
-				handle = self.fontcache[key]
-			else:
-				if self.fontcache.has_key(key1):
-					handle = self.fontcache[key1]
-				else:
-					import fm
-					handle = fm.findfont(name)
-					self.fontcache[key1] = handle
-				handle = handle.scalefont(size)
-				self.fontcache[fontkey] = \
-					self.fontcache[key] = handle
-		self.fontkey = fontkey
-		if self.fonthandle != handle:
-			self.fonthandle = handle
-			self.fontinfo = handle.getfontinfo()
-			handle.setfont()
+    #
+    def __init__(self):
+        self.reset()
+        self.setfont('')
+    #
+    def reset(self):
+        self.fontkey = None
+        self.fonthandle = None
+        self.fontinfo = None
+        self.fontcache = {}
+    #
+    def close(self):
+        self.reset()
+    #
+    def setfont(self, fontkey):
+        if fontkey == '':
+            fontkey = 'Times-Roman 12'
+        elif ' ' not in fontkey:
+            fontkey = fontkey + ' 12'
+        if fontkey == self.fontkey:
+            return
+        if self.fontcache.has_key(fontkey):
+            handle = self.fontcache[fontkey]
+        else:
+            import string
+            i = string.index(fontkey, ' ')
+            name, sizestr = fontkey[:i], fontkey[i:]
+            size = eval(sizestr)
+            key1 = name + ' 1'
+            key = name + ' ' + `size`
+            # NB key may differ from fontkey!
+            if self.fontcache.has_key(key):
+                handle = self.fontcache[key]
+            else:
+                if self.fontcache.has_key(key1):
+                    handle = self.fontcache[key1]
+                else:
+                    import fm
+                    handle = fm.findfont(name)
+                    self.fontcache[key1] = handle
+                handle = handle.scalefont(size)
+                self.fontcache[fontkey] = \
+                        self.fontcache[key] = handle
+        self.fontkey = fontkey
+        if self.fonthandle != handle:
+            self.fonthandle = handle
+            self.fontinfo = handle.getfontinfo()
+            handle.setfont()
 
 
 class GLMeasurer(GLFontCache):
-	#
-	def textwidth(self, text):
-		return self.fonthandle.getstrwidth(text)
-	#
-	def baseline(self):
-		return self.fontinfo[6] - self.fontinfo[3]
-	#
-	def lineheight(self):
-		return self.fontinfo[6]
+    #
+    def textwidth(self, text):
+        return self.fonthandle.getstrwidth(text)
+    #
+    def baseline(self):
+        return self.fontinfo[6] - self.fontinfo[3]
+    #
+    def lineheight(self):
+        return self.fontinfo[6]
 
 
 class GLWriter(GLFontCache):
-	#
-	# NOTES:
-	# (1) Use gl.ortho2 to use X pixel coordinates!
-	#
-	def text(self, (h, v), text):
-		import gl, fm
-		gl.cmov2i(h, v + self.fontinfo[6] - self.fontinfo[3])
-		fm.prstr(text)
-	#
-	def setfont(self, fontkey):
-		oldhandle = self.fonthandle
-		GLFontCache.setfont(fontkey)
-		if self.fonthandle != oldhandle:
-			handle.setfont()
+    #
+    # NOTES:
+    # (1) Use gl.ortho2 to use X pixel coordinates!
+    #
+    def text(self, (h, v), text):
+        import gl, fm
+        gl.cmov2i(h, v + self.fontinfo[6] - self.fontinfo[3])
+        fm.prstr(text)
+    #
+    def setfont(self, fontkey):
+        oldhandle = self.fonthandle
+        GLFontCache.setfont(fontkey)
+        if self.fonthandle != oldhandle:
+            handle.setfont()
 
 
 class GLMeasurerWriter(GLMeasurer, GLWriter):
-	pass
+    pass
 
 
 class GLBackEnd(SavingBackEnd):
-	#
-	def __init__(self, wid):
-		import gl
-		gl.winset(wid)
-		self.wid = wid
-		self.width = gl.getsize()[1]
-		self.height = 0
-		self.d = GLMeasurerWriter()
-		SavingBackEnd.__init__(self)
-	#
-	def finish(self):
-		pass
-	#
-	def addpara(self, p):
-		self.paralist.append(p)
-		self.height = p.render(self.d, 0, self.height, self.width)
-	#
-	def redraw(self):
-		import gl
-		gl.winset(self.wid)
-		width = gl.getsize()[1]
-		if width != self.width:
-			setdocsize = 1
-			self.width = width
-			for p in self.paralist:
-				p.top = p.bottom = None
-		d = self.d
-		v = 0
-		for p in self.paralist:
-			v = p.render(d, 0, v, width)
+    #
+    def __init__(self, wid):
+        import gl
+        gl.winset(wid)
+        self.wid = wid
+        self.width = gl.getsize()[1]
+        self.height = 0
+        self.d = GLMeasurerWriter()
+        SavingBackEnd.__init__(self)
+    #
+    def finish(self):
+        pass
+    #
+    def addpara(self, p):
+        self.paralist.append(p)
+        self.height = p.render(self.d, 0, self.height, self.width)
+    #
+    def redraw(self):
+        import gl
+        gl.winset(self.wid)
+        width = gl.getsize()[1]
+        if width != self.width:
+            setdocsize = 1
+            self.width = width
+            for p in self.paralist:
+                p.top = p.bottom = None
+        d = self.d
+        v = 0
+        for p in self.paralist:
+            v = p.render(d, 0, v, width)
diff --git a/Lib/lib-old/grep.py b/Lib/lib-old/grep.py
index bdefbe6..2926746 100644
--- a/Lib/lib-old/grep.py
+++ b/Lib/lib-old/grep.py
@@ -8,72 +8,72 @@
 opt_show_lineno = 1
 
 def grep(pat, *files):
-	return ggrep(RE_SYNTAX_GREP, pat, files)
+    return ggrep(RE_SYNTAX_GREP, pat, files)
 
 def egrep(pat, *files):
-	return ggrep(RE_SYNTAX_EGREP, pat, files)
+    return ggrep(RE_SYNTAX_EGREP, pat, files)
 
 def emgrep(pat, *files):
-	return ggrep(RE_SYNTAX_EMACS, pat, files)
+    return ggrep(RE_SYNTAX_EMACS, pat, files)
 
 def ggrep(syntax, pat, files):
-	if len(files) == 1 and type(files[0]) == type([]):
-		files = files[0]
-	global opt_show_filename
-	opt_show_filename = (len(files) != 1)
-	syntax = regex.set_syntax(syntax)
-	try:
-		prog = regex.compile(pat)
-	finally:
-		syntax = regex.set_syntax(syntax)
-	for filename in files:
-		fp = open(filename, 'r')
-		lineno = 0
-		while 1:
-			line = fp.readline()
-			if not line: break
-			lineno = lineno + 1
-			if prog.search(line) >= 0:
-				showline(filename, lineno, line, prog)
-		fp.close()
+    if len(files) == 1 and type(files[0]) == type([]):
+        files = files[0]
+    global opt_show_filename
+    opt_show_filename = (len(files) != 1)
+    syntax = regex.set_syntax(syntax)
+    try:
+        prog = regex.compile(pat)
+    finally:
+        syntax = regex.set_syntax(syntax)
+    for filename in files:
+        fp = open(filename, 'r')
+        lineno = 0
+        while 1:
+            line = fp.readline()
+            if not line: break
+            lineno = lineno + 1
+            if prog.search(line) >= 0:
+                showline(filename, lineno, line, prog)
+        fp.close()
 
 def pgrep(pat, *files):
-	if len(files) == 1 and type(files[0]) == type([]):
-		files = files[0]
-	global opt_show_filename
-	opt_show_filename = (len(files) != 1)
-	import re
-	prog = re.compile(pat)
-	for filename in files:
-		fp = open(filename, 'r')
-		lineno = 0
-		while 1:
-			line = fp.readline()
-			if not line: break
-			lineno = lineno + 1
-			if prog.search(line):
-				showline(filename, lineno, line, prog)
-		fp.close()
+    if len(files) == 1 and type(files[0]) == type([]):
+        files = files[0]
+    global opt_show_filename
+    opt_show_filename = (len(files) != 1)
+    import re
+    prog = re.compile(pat)
+    for filename in files:
+        fp = open(filename, 'r')
+        lineno = 0
+        while 1:
+            line = fp.readline()
+            if not line: break
+            lineno = lineno + 1
+            if prog.search(line):
+                showline(filename, lineno, line, prog)
+        fp.close()
 
 def showline(filename, lineno, line, prog):
-	if line[-1:] == '\n': line = line[:-1]
-	if opt_show_lineno:
-		prefix = `lineno`.rjust(3) + ': '
-	else:
-		prefix = ''
-	if opt_show_filename:
-		prefix = filename + ': ' + prefix
-	print prefix + line
-	if opt_show_where:
-		start, end = prog.regs()[0]
-		line = line[:start]
-		if '\t' not in line:
-			prefix = ' ' * (len(prefix) + start)
-		else:
-			prefix = ' ' * len(prefix)
-			for c in line:
-				if c != '\t': c = ' '
-				prefix = prefix + c
-		if start == end: prefix = prefix + '\\'
-		else: prefix = prefix + '^'*(end-start)
-		print prefix
+    if line[-1:] == '\n': line = line[:-1]
+    if opt_show_lineno:
+        prefix = `lineno`.rjust(3) + ': '
+    else:
+        prefix = ''
+    if opt_show_filename:
+        prefix = filename + ': ' + prefix
+    print prefix + line
+    if opt_show_where:
+        start, end = prog.regs()[0]
+        line = line[:start]
+        if '\t' not in line:
+            prefix = ' ' * (len(prefix) + start)
+        else:
+            prefix = ' ' * len(prefix)
+            for c in line:
+                if c != '\t': c = ' '
+                prefix = prefix + c
+        if start == end: prefix = prefix + '\\'
+        else: prefix = prefix + '^'*(end-start)
+        print prefix
diff --git a/Lib/lib-old/lockfile.py b/Lib/lib-old/lockfile.py
index 3aaeac0..cde9b48 100644
--- a/Lib/lib-old/lockfile.py
+++ b/Lib/lib-old/lockfile.py
@@ -1,15 +1,15 @@
 import struct, fcntl
 
 def writelock(f):
-	_lock(f, fcntl.F_WRLCK)
+    _lock(f, fcntl.F_WRLCK)
 
 def readlock(f):
-	_lock(f, fcntl.F_RDLCK)
+    _lock(f, fcntl.F_RDLCK)
 
 def unlock(f):
-	_lock(f, fcntl.F_UNLCK)
+    _lock(f, fcntl.F_UNLCK)
 
 def _lock(f, op):
-	dummy = fcntl.fcntl(f.fileno(), fcntl.F_SETLKW,
-			    struct.pack('2h8l', op,
-					0, 0, 0, 0, 0, 0, 0, 0, 0))
+    dummy = fcntl.fcntl(f.fileno(), fcntl.F_SETLKW,
+                        struct.pack('2h8l', op,
+                                    0, 0, 0, 0, 0, 0, 0, 0, 0))
diff --git a/Lib/lib-old/newdir.py b/Lib/lib-old/newdir.py
index 937c49e..356becc 100644
--- a/Lib/lib-old/newdir.py
+++ b/Lib/lib-old/newdir.py
@@ -5,69 +5,69 @@
 # the current local name space by default
 
 def listattrs(x):
-	try:
-		dictkeys = x.__dict__.keys()
-	except (AttributeError, TypeError):
-		dictkeys = []
-	#
-	try:
-		methods = x.__methods__
-	except (AttributeError, TypeError):
-		methods = []
-	#
-	try:
-		members = x.__members__
-	except (AttributeError, TypeError):
-		members = []
-	#
-	try:
-		the_class = x.__class__
-	except (AttributeError, TypeError):
-		the_class = None
-	#
-	try:
-		bases = x.__bases__
-	except (AttributeError, TypeError):
-		bases = ()
-	#
-	total = dictkeys + methods + members
-	if the_class:
-		# It's a class instace; add the class's attributes
-		# that are functions (methods)...
-		class_attrs = listattrs(the_class)
-		class_methods = []
-		for name in class_attrs:
-			if is_function(getattr(the_class, name)):
-				class_methods.append(name)
-		total = total + class_methods
-	elif bases:
-		# It's a derived class; add the base class attributes
-		for base in bases:
-			base_attrs = listattrs(base)
-			total = total + base_attrs
-	total.sort()
-	return total
-	i = 0
-	while i+1 < len(total):
-		if total[i] == total[i+1]:
-			del total[i+1]
-		else:
-			i = i+1
-	return total
+    try:
+        dictkeys = x.__dict__.keys()
+    except (AttributeError, TypeError):
+        dictkeys = []
+    #
+    try:
+        methods = x.__methods__
+    except (AttributeError, TypeError):
+        methods = []
+    #
+    try:
+        members = x.__members__
+    except (AttributeError, TypeError):
+        members = []
+    #
+    try:
+        the_class = x.__class__
+    except (AttributeError, TypeError):
+        the_class = None
+    #
+    try:
+        bases = x.__bases__
+    except (AttributeError, TypeError):
+        bases = ()
+    #
+    total = dictkeys + methods + members
+    if the_class:
+        # It's a class instace; add the class's attributes
+        # that are functions (methods)...
+        class_attrs = listattrs(the_class)
+        class_methods = []
+        for name in class_attrs:
+            if is_function(getattr(the_class, name)):
+                class_methods.append(name)
+        total = total + class_methods
+    elif bases:
+        # It's a derived class; add the base class attributes
+        for base in bases:
+            base_attrs = listattrs(base)
+            total = total + base_attrs
+    total.sort()
+    return total
+    i = 0
+    while i+1 < len(total):
+        if total[i] == total[i+1]:
+            del total[i+1]
+        else:
+            i = i+1
+    return total
 
 
 # Helper to recognize functions
 
 def is_function(x):
-	return type(x) == type(is_function)
+    return type(x) == type(is_function)
 
 
 # Approximation of builtin dir(); but note that this lists the user's
 # variables by default, not the current local name space.
 
 def dir(x = None):
-	if x is not None:
-		return listattrs(x)
-	else:
-		import __main__
-		return listattrs(__main__)
+    if x is not None:
+        return listattrs(x)
+    else:
+        import __main__
+        return listattrs(__main__)
diff --git a/Lib/lib-old/packmail.py b/Lib/lib-old/packmail.py
index 9c2b566..e569108 100644
--- a/Lib/lib-old/packmail.py
+++ b/Lib/lib-old/packmail.py
@@ -8,104 +8,104 @@
 
 # Print help
 def help():
-	print 'All fns have a file open for writing as first parameter'
-	print 'pack(f, fullname, name): pack fullname as name'
-	print 'packsome(f, directory, namelist): selected files from directory'
-	print 'packall(f, directory): pack all files from directory'
-	print 'packnotolder(f, directory, name): pack all files from directory'
-	print '                        that are not older than a file there'
-	print 'packtree(f, directory): pack entire directory tree'
+    print 'All fns have a file open for writing as first parameter'
+    print 'pack(f, fullname, name): pack fullname as name'
+    print 'packsome(f, directory, namelist): selected files from directory'
+    print 'packall(f, directory): pack all files from directory'
+    print 'packnotolder(f, directory, name): pack all files from directory'
+    print '                        that are not older than a file there'
+    print 'packtree(f, directory): pack entire directory tree'
 
 # Pack one file
 def pack(outfp, file, name):
-	fp = open(file, 'r')
-	outfp.write('echo ' + name + '\n')
-	outfp.write('sed "s/^X//" >"' + name + '" <<"!"\n')
-	while 1:
-		line = fp.readline()
-		if not line: break
-		if line[-1:] != '\n':
-			line = line + '\n'
-		outfp.write('X' + line)
-	outfp.write('!\n')
-	fp.close()
+    fp = open(file, 'r')
+    outfp.write('echo ' + name + '\n')
+    outfp.write('sed "s/^X//" >"' + name + '" <<"!"\n')
+    while 1:
+        line = fp.readline()
+        if not line: break
+        if line[-1:] != '\n':
+            line = line + '\n'
+        outfp.write('X' + line)
+    outfp.write('!\n')
+    fp.close()
 
 # Pack some files from a directory
 def packsome(outfp, dirname, names):
-	for name in names:
-		print name
-		file = os.path.join(dirname, name)
-		pack(outfp, file, name)
+    for name in names:
+        print name
+        file = os.path.join(dirname, name)
+        pack(outfp, file, name)
 
 # Pack all files from a directory
 def packall(outfp, dirname):
-	names = os.listdir(dirname)
-	try:
-	    names.remove('.')
-	except:
-	    pass
-	try:
-	    names.remove('..')
-	except:
-	    pass
-	names.sort()
-	packsome(outfp, dirname, names)
+    names = os.listdir(dirname)
+    try:
+        names.remove('.')
+    except:
+        pass
+    try:
+        names.remove('..')
+    except:
+        pass
+    names.sort()
+    packsome(outfp, dirname, names)
 
 # Pack all files from a directory that are not older than a give one
 def packnotolder(outfp, dirname, oldest):
-	names = os.listdir(dirname)
-	try:
-	    names.remove('.')
-	except:
-	    pass
-	try:
-	    names.remove('..')
-	except:
-	    pass
-	oldest = os.path.join(dirname, oldest)
-	st = os.stat(oldest)
-	mtime = st[ST_MTIME]
-	todo = []
-	for name in names:
-		print name, '...',
-		st = os.stat(os.path.join(dirname, name))
-		if st[ST_MTIME] >= mtime:
-			print 'Yes.'
-			todo.append(name)
-		else:
-			print 'No.'
-	todo.sort()
-	packsome(outfp, dirname, todo)
+    names = os.listdir(dirname)
+    try:
+        names.remove('.')
+    except:
+        pass
+    try:
+        names.remove('..')
+    except:
+        pass
+    oldest = os.path.join(dirname, oldest)
+    st = os.stat(oldest)
+    mtime = st[ST_MTIME]
+    todo = []
+    for name in names:
+        print name, '...',
+        st = os.stat(os.path.join(dirname, name))
+        if st[ST_MTIME] >= mtime:
+            print 'Yes.'
+            todo.append(name)
+        else:
+            print 'No.'
+    todo.sort()
+    packsome(outfp, dirname, todo)
 
 # Pack a whole tree (no exceptions)
 def packtree(outfp, dirname):
-	print 'packtree', dirname
-	outfp.write('mkdir ' + unixfix(dirname) + '\n')
-	names = os.listdir(dirname)
-	try:
-	    names.remove('.')
-	except:
-	    pass
-	try:
-	    names.remove('..')
-	except:
-	    pass
-	subdirs = []
-	for name in names:
-		fullname = os.path.join(dirname, name)
-		if os.path.isdir(fullname):
-			subdirs.append(fullname)
-		else:
-			print 'pack', fullname
-			pack(outfp, fullname, unixfix(fullname))
-	for subdirname in subdirs:
-		packtree(outfp, subdirname)
+    print 'packtree', dirname
+    outfp.write('mkdir ' + unixfix(dirname) + '\n')
+    names = os.listdir(dirname)
+    try:
+        names.remove('.')
+    except:
+        pass
+    try:
+        names.remove('..')
+    except:
+        pass
+    subdirs = []
+    for name in names:
+        fullname = os.path.join(dirname, name)
+        if os.path.isdir(fullname):
+            subdirs.append(fullname)
+        else:
+            print 'pack', fullname
+            pack(outfp, fullname, unixfix(fullname))
+    for subdirname in subdirs:
+        packtree(outfp, subdirname)
 
 def unixfix(name):
-	comps = name.split(os.sep)
-	res = ''
-	for comp in comps:
-		if comp:
-			if res: res = res + '/'
-			res = res + comp
-	return res
+    comps = name.split(os.sep)
+    res = ''
+    for comp in comps:
+        if comp:
+            if res: res = res + '/'
+            res = res + comp
+    return res
diff --git a/Lib/lib-old/poly.py b/Lib/lib-old/poly.py
index f89bd14..fe6a1dc 100644
--- a/Lib/lib-old/poly.py
+++ b/Lib/lib-old/poly.py
@@ -6,47 +6,47 @@
 # taken out by normalize().
 
 def normalize(p): # Strip unnecessary zero coefficients
-	n = len(p)
-	while n:
-		if p[n-1]: return p[:n]
-		n = n-1
-	return []
+    n = len(p)
+    while n:
+        if p[n-1]: return p[:n]
+        n = n-1
+    return []
 
 def plus(a, b):
-	if len(a) < len(b): a, b = b, a # make sure a is the longest
-	res = a[:] # make a copy
-	for i in range(len(b)):
-		res[i] = res[i] + b[i]
-	return normalize(res)
+    if len(a) < len(b): a, b = b, a # make sure a is the longest
+    res = a[:] # make a copy
+    for i in range(len(b)):
+        res[i] = res[i] + b[i]
+    return normalize(res)
 
 def minus(a, b):
-	neg_b = map(lambda x: -x, b[:])
-	return plus(a, neg_b)
+    neg_b = map(lambda x: -x, b[:])
+    return plus(a, neg_b)
 
 def one(power, coeff): # Representation of coeff * x**power
-	res = []
-	for i in range(power): res.append(0)
-	return res + [coeff]
+    res = []
+    for i in range(power): res.append(0)
+    return res + [coeff]
 
 def times(a, b):
-	res = []
-	for i in range(len(a)):
-		for j in range(len(b)):
-			res = plus(res, one(i+j, a[i]*b[j]))
-	return res
+    res = []
+    for i in range(len(a)):
+        for j in range(len(b)):
+            res = plus(res, one(i+j, a[i]*b[j]))
+    return res
 
 def power(a, n): # Raise polynomial a to the positive integral power n
-	if n == 0: return [1]
-	if n == 1: return a
-	if n/2*2 == n:
-		b = power(a, n/2)
-		return times(b, b)
-	return times(power(a, n-1), a)
+    if n == 0: return [1]
+    if n == 1: return a
+    if n/2*2 == n:
+        b = power(a, n/2)
+        return times(b, b)
+    return times(power(a, n-1), a)
 
 def der(a): # First derivative
-	res = a[1:]
-	for i in range(len(res)):
-		res[i] = res[i] * (i+1)
-	return res
+    res = a[1:]
+    for i in range(len(res)):
+        res[i] = res[i] * (i+1)
+    return res
 
 # Computing a primitive function would require rational arithmetic...
diff --git a/Lib/lib-old/rand.py b/Lib/lib-old/rand.py
index c299d0a..a557b69 100644
--- a/Lib/lib-old/rand.py
+++ b/Lib/lib-old/rand.py
@@ -4,10 +4,10 @@
 import whrandom
 
 def srand(seed):
-	whrandom.seed(seed%256, seed/256%256, seed/65536%256)
+    whrandom.seed(seed%256, seed/256%256, seed/65536%256)
 
 def rand():
-	return int(whrandom.random() * 32768.0) % 32768
+    return int(whrandom.random() * 32768.0) % 32768
 
 def choice(seq):
-	return seq[rand() % len(seq)]
+    return seq[rand() % len(seq)]
diff --git a/Lib/lib-old/tb.py b/Lib/lib-old/tb.py
index 57851aa..9063559 100644
--- a/Lib/lib-old/tb.py
+++ b/Lib/lib-old/tb.py
@@ -12,166 +12,166 @@
 def tb(): printtb(sys.last_traceback)
 
 def browser(tb):
-	if not tb:
-		print 'No traceback.'
-		return
-	tblist = []
-	while tb:
-		tblist.append(tb)
-		tb = tb.tb_next
-	ptr = len(tblist)-1
-	tb = tblist[ptr]
-	while 1:
-		if tb != tblist[ptr]:
-			tb = tblist[ptr]
-			print `ptr` + ':',
-			printtbheader(tb)
-		try:
-			line = raw_input('TB: ')
-		except KeyboardInterrupt:
-			print '\n[Interrupted]'
-			break
-		except EOFError:
-			print '\n[EOF]'
-			break
-		cmd = line.strip()
-		if cmd:
-			if cmd == 'quit':
-				break
-			elif cmd == 'list':
-				browserlist(tb)
-			elif cmd == 'up':
-				if ptr-1 >= 0: ptr = ptr-1
-				else: print 'Bottom of stack.'
-			elif cmd == 'down':
-				if ptr+1 < len(tblist): ptr = ptr+1
-				else: print 'Top of stack.'
-			elif cmd == 'locals':
-				printsymbols(tb.tb_frame.f_locals)
-			elif cmd == 'globals':
-				printsymbols(tb.tb_frame.f_globals)
-			elif cmd in ('?', 'help'):
-				browserhelp()
-			else:
-				browserexec(tb, cmd)
+    if not tb:
+        print 'No traceback.'
+        return
+    tblist = []
+    while tb:
+        tblist.append(tb)
+        tb = tb.tb_next
+    ptr = len(tblist)-1
+    tb = tblist[ptr]
+    while 1:
+        if tb != tblist[ptr]:
+            tb = tblist[ptr]
+            print `ptr` + ':',
+            printtbheader(tb)
+        try:
+            line = raw_input('TB: ')
+        except KeyboardInterrupt:
+            print '\n[Interrupted]'
+            break
+        except EOFError:
+            print '\n[EOF]'
+            break
+        cmd = line.strip()
+        if cmd:
+            if cmd == 'quit':
+                break
+            elif cmd == 'list':
+                browserlist(tb)
+            elif cmd == 'up':
+                if ptr-1 >= 0: ptr = ptr-1
+                else: print 'Bottom of stack.'
+            elif cmd == 'down':
+                if ptr+1 < len(tblist): ptr = ptr+1
+                else: print 'Top of stack.'
+            elif cmd == 'locals':
+                printsymbols(tb.tb_frame.f_locals)
+            elif cmd == 'globals':
+                printsymbols(tb.tb_frame.f_globals)
+            elif cmd in ('?', 'help'):
+                browserhelp()
+            else:
+                browserexec(tb, cmd)
 
 def browserlist(tb):
-	filename = tb.tb_frame.f_code.co_filename
-	lineno = tb.tb_lineno
-	last = lineno
-	first = max(1, last-10)
-	for i in range(first, last+1):
-		if i == lineno: prefix = '***' + `i`.rjust(4) + ':'
-		else: prefix = `i`.rjust(7) + ':'
-		line = linecache.getline(filename, i)
-		if line[-1:] == '\n': line = line[:-1]
-		print prefix + line
+    filename = tb.tb_frame.f_code.co_filename
+    lineno = tb.tb_lineno
+    last = lineno
+    first = max(1, last-10)
+    for i in range(first, last+1):
+        if i == lineno: prefix = '***' + `i`.rjust(4) + ':'
+        else: prefix = `i`.rjust(7) + ':'
+        line = linecache.getline(filename, i)
+        if line[-1:] == '\n': line = line[:-1]
+        print prefix + line
 
 def browserexec(tb, cmd):
-	locals = tb.tb_frame.f_locals
-	globals = tb.tb_frame.f_globals
-	try:
-		exec cmd+'\n' in globals, locals
-	except:
-		t, v = sys.exc_info()[:2]
-		print '*** Exception:',
-		if type(t) is type(''):
-			print t,
-		else:
-			print t.__name__,
-		if v is not None:
-			print ':', v,
-		print
-		print 'Type help to get help.'
+    locals = tb.tb_frame.f_locals
+    globals = tb.tb_frame.f_globals
+    try:
+        exec cmd+'\n' in globals, locals
+    except:
+        t, v = sys.exc_info()[:2]
+        print '*** Exception:',
+        if type(t) is type(''):
+            print t,
+        else:
+            print t.__name__,
+        if v is not None:
+            print ':', v,
+        print
+        print 'Type help to get help.'
 
 def browserhelp():
-	print
-	print '    This is the traceback browser.  Commands are:'
-	print '        up      : move one level up in the call stack'
-	print '        down    : move one level down in the call stack'
-	print '        locals  : print all local variables at this level'
-	print '        globals : print all global variables at this level'
-	print '        list    : list source code around the failure'
-	print '        help    : print help (what you are reading now)'
-	print '        quit    : back to command interpreter'
-	print '    Typing any other 1-line statement will execute it'
-	print '    using the current level\'s symbol tables'
-	print
+    print
+    print '    This is the traceback browser.  Commands are:'
+    print '        up      : move one level up in the call stack'
+    print '        down    : move one level down in the call stack'
+    print '        locals  : print all local variables at this level'
+    print '        globals : print all global variables at this level'
+    print '        list    : list source code around the failure'
+    print '        help    : print help (what you are reading now)'
+    print '        quit    : back to command interpreter'
+    print '    Typing any other 1-line statement will execute it'
+    print '    using the current level\'s symbol tables'
+    print
 
 def printtb(tb):
-	while tb:
-		print1tb(tb)
-		tb = tb.tb_next
+    while tb:
+        print1tb(tb)
+        tb = tb.tb_next
 
 def print1tb(tb):
-	printtbheader(tb)
-	if tb.tb_frame.f_locals is not tb.tb_frame.f_globals:
-		printsymbols(tb.tb_frame.f_locals)
+    printtbheader(tb)
+    if tb.tb_frame.f_locals is not tb.tb_frame.f_globals:
+        printsymbols(tb.tb_frame.f_locals)
 
 def printtbheader(tb):
-	filename = tb.tb_frame.f_code.co_filename
-	lineno = tb.tb_lineno
-	info = '"' + filename + '"(' + `lineno` + ')'
-	line = linecache.getline(filename, lineno)
-	if line:
-		info = info + ': ' + line.strip()
-	print info
+    filename = tb.tb_frame.f_code.co_filename
+    lineno = tb.tb_lineno
+    info = '"' + filename + '"(' + `lineno` + ')'
+    line = linecache.getline(filename, lineno)
+    if line:
+        info = info + ': ' + line.strip()
+    print info
 
 def printsymbols(d):
-	keys = d.keys()
-	keys.sort()
-	for name in keys:
-		print '  ' + name.ljust(12) + ':',
-		printobject(d[name], 4)
-		print
+    keys = d.keys()
+    keys.sort()
+    for name in keys:
+        print '  ' + name.ljust(12) + ':',
+        printobject(d[name], 4)
+        print
 
 def printobject(v, maxlevel):
-	if v is None:
-		print 'None',
-	elif type(v) in (type(0), type(0.0)):
-		print v,
-	elif type(v) is type(''):
-		if len(v) > 20:
-			print `v[:17] + '...'`,
-		else:
-			print `v`,
-	elif type(v) is type(()):
-		print '(',
-		printlist(v, maxlevel)
-		print ')',
-	elif type(v) is type([]):
-		print '[',
-		printlist(v, maxlevel)
-		print ']',
-	elif type(v) is type({}):
-		print '{',
-		printdict(v, maxlevel)
-		print '}',
-	else:
-		print v,
+    if v is None:
+        print 'None',
+    elif type(v) in (type(0), type(0.0)):
+        print v,
+    elif type(v) is type(''):
+        if len(v) > 20:
+            print `v[:17] + '...'`,
+        else:
+            print `v`,
+    elif type(v) is type(()):
+        print '(',
+        printlist(v, maxlevel)
+        print ')',
+    elif type(v) is type([]):
+        print '[',
+        printlist(v, maxlevel)
+        print ']',
+    elif type(v) is type({}):
+        print '{',
+        printdict(v, maxlevel)
+        print '}',
+    else:
+        print v,
 
 def printlist(v, maxlevel):
-	n = len(v)
-	if n == 0: return
-	if maxlevel <= 0:
-		print '...',
-		return
-	for i in range(min(6, n)):
-		printobject(v[i], maxlevel-1)
-		if i+1 < n: print ',',
-	if n > 6: print '...',
+    n = len(v)
+    if n == 0: return
+    if maxlevel <= 0:
+        print '...',
+        return
+    for i in range(min(6, n)):
+        printobject(v[i], maxlevel-1)
+        if i+1 < n: print ',',
+    if n > 6: print '...',
 
 def printdict(v, maxlevel):
-	keys = v.keys()
-	n = len(keys)
-	if n == 0: return
-	if maxlevel <= 0:
-		print '...',
-		return
-	keys.sort()
-	for i in range(min(6, n)):
-		key = keys[i]
-		print `key` + ':',
-		printobject(v[key], maxlevel-1)
-		if i+1 < n: print ',',
-	if n > 6: print '...',
+    keys = v.keys()
+    n = len(keys)
+    if n == 0: return
+    if maxlevel <= 0:
+        print '...',
+        return
+    keys.sort()
+    for i in range(min(6, n)):
+        key = keys[i]
+        print `key` + ':',
+        printobject(v[key], maxlevel-1)
+        if i+1 < n: print ',',
+    if n > 6: print '...',
diff --git a/Lib/lib-old/util.py b/Lib/lib-old/util.py
index 6cb1433..104af1e 100644
--- a/Lib/lib-old/util.py
+++ b/Lib/lib-old/util.py
@@ -10,16 +10,16 @@
 # If it occurs more than once, remove the first occurrence.
 #
 def remove(item, list):
-	if item in list: list.remove(item)
+    if item in list: list.remove(item)
 
 
 # Return a string containing a file's contents.
 #
 def readfile(fn):
-	return readopenfile(open(fn, 'r'))
+    return readopenfile(open(fn, 'r'))
 
 
 # Read an open file until EOF.
 #
 def readopenfile(fp):
-	return fp.read()
+    return fp.read()
diff --git a/Lib/lib-old/zmod.py b/Lib/lib-old/zmod.py
index 7259bf8..55f49df 100644
--- a/Lib/lib-old/zmod.py
+++ b/Lib/lib-old/zmod.py
@@ -1,7 +1,7 @@
 # module 'zmod'
 
 # Compute properties of mathematical "fields" formed by taking
-# Z/n (the whole numbers modulo some whole number n) and an 
+# Z/n (the whole numbers modulo some whole number n) and an
 # irreducible polynomial (i.e., a polynomial with only complex zeros),
 # e.g., Z/5 and X**2 + 2.
 #
@@ -30,65 +30,65 @@
 # Return x modulo y.  Returns >= 0 even if x < 0.
 
 def mod(x, y):
-	return divmod(x, y)[1]
+    return divmod(x, y)[1]
 
 
 # Normalize a polynomial modulo n and modulo p.
 
 def norm(a, n, p):
-	a = poly.modulo(a, p)
-	a = a[:]
-	for i in range(len(a)): a[i] = mod(a[i], n)
-	a = poly.normalize(a)
-	return a
+    a = poly.modulo(a, p)
+    a = a[:]
+    for i in range(len(a)): a[i] = mod(a[i], n)
+    a = poly.normalize(a)
+    return a
 
 
 # Make a list of all n^d elements of the proposed field.
 
 def make_all(mat):
-	all = []
-	for row in mat:
-		for a in row:
-			all.append(a)
-	return all
+    all = []
+    for row in mat:
+        for a in row:
+            all.append(a)
+    return all
 
 def make_elements(n, d):
-	if d == 0: return [poly.one(0, 0)]
-	sub = make_elements(n, d-1)
-	all = []
-	for a in sub:
-		for i in range(n):
-			all.append(poly.plus(a, poly.one(d-1, i)))
-	return all
+    if d == 0: return [poly.one(0, 0)]
+    sub = make_elements(n, d-1)
+    all = []
+    for a in sub:
+        for i in range(n):
+            all.append(poly.plus(a, poly.one(d-1, i)))
+    return all
 
 def make_inv(all, n, p):
-	x = poly.one(1, 1)
-	inv = []
-	for a in all:
-		inv.append(norm(poly.times(a, x), n, p))
-	return inv
+    x = poly.one(1, 1)
+    inv = []
+    for a in all:
+        inv.append(norm(poly.times(a, x), n, p))
+    return inv
 
 def checkfield(n, p):
-	all = make_elements(n, len(p)-1)
-	inv = make_inv(all, n, p)
-	all1 = all[:]
-	inv1 = inv[:]
-	all1.sort()
-	inv1.sort()
-	if all1 == inv1: print 'BINGO!'
-	else:
-		print 'Sorry:', n, p
-		print all
-		print inv
+    all = make_elements(n, len(p)-1)
+    inv = make_inv(all, n, p)
+    all1 = all[:]
+    inv1 = inv[:]
+    all1.sort()
+    inv1.sort()
+    if all1 == inv1: print 'BINGO!'
+    else:
+        print 'Sorry:', n, p
+        print all
+        print inv
 
 def rj(s, width):
-	if type(s) is not type(''): s = `s`
-	n = len(s)
-	if n >= width: return s
-	return ' '*(width - n) + s
+    if type(s) is not type(''): s = `s`
+    n = len(s)
+    if n >= width: return s
+    return ' '*(width - n) + s
 
 def lj(s, width):
-	if type(s) is not type(''): s = `s`
-	n = len(s)
-	if n >= width: return s
-	return s + ' '*(width - n)
+    if type(s) is not type(''): s = `s`
+    n = len(s)
+    if n >= width: return s
+    return s + ' '*(width - n)