diff --git a/Lib/lib-old/dump.py b/Lib/lib-old/dump.py
index cecc275..ec895b7 100644
--- a/Lib/lib-old/dump.py
+++ b/Lib/lib-old/dump.py
@@ -31,7 +31,7 @@
 def dumpvar(name, x):
 	import sys
 	t = type(x)
-	if t = type({}):
+	if t == type({}):
 		print name, '= {}'
 		for key in x.keys():
 			item = x[key]
@@ -42,7 +42,7 @@
 		if not printable(x):
 			print '#',
 		print name, '=', `x`
-	elif t = type(sys):
+	elif t == type(sys):
 		print 'import', name, '#', x
 	else:
 		print '#', name, '=', x
@@ -58,6 +58,6 @@
 			if not printable(item):
 				return 0
 		return 1
-	if x = {}:
+	if x == {}:
 		return 1
 	return 0
diff --git a/Lib/lib-old/grep.py b/Lib/lib-old/grep.py
index bfee3f5..21ef8d8 100644
--- a/Lib/lib-old/grep.py
+++ b/Lib/lib-old/grep.py
@@ -30,7 +30,7 @@
 			prefix = string.rjust(`lineno`, 3) + ': '
 			print prefix + line
 			if 0: # XXX
-				start, end = prog.regs()[0]
+				start, end = prog.regs[0]
 				line = line[:start]
 				if '\t' not in line:
 					prefix = ' ' * (len(prefix) + start)
diff --git a/Lib/lib-old/newdir.py b/Lib/lib-old/newdir.py
index 9d07d6c..4994bf9 100644
--- a/Lib/lib-old/newdir.py
+++ b/Lib/lib-old/newdir.py
@@ -53,7 +53,7 @@
 	return total
 	i = 0
 	while i+1 < len(total):
-		if total[i] = total[i+1]:
+		if total[i] == total[i+1]:
 			del total[i+1]
 		else:
 			i = i+1
@@ -62,7 +62,7 @@
 # Helper to recognize functions
 #
 def is_function(x):
-	return type(x) = type(is_function)
+	return type(x) == type(is_function)
 
 # Approximation of builtin dir(); this lists the user's
 # variables by default, not the current local name space.
@@ -71,7 +71,7 @@
 #
 class _dirclass:
 	def dir(args):
-		if type(args) = type(()):
+		if type(args) == type(()):
 			return listattrs(args[1])
 		else:
 			import __main__
diff --git a/Lib/lib-old/tb.py b/Lib/lib-old/tb.py
index ec63104..ef0c4b5 100644
--- a/Lib/lib-old/tb.py
+++ b/Lib/lib-old/tb.py
@@ -40,19 +40,19 @@
 			break
 		cmd = string.strip(line)
 		if cmd:
-			if cmd = 'quit':
+			if cmd == 'quit':
 				break
-			elif cmd = 'list':
+			elif cmd == 'list':
 				browserlist(tb)
-			elif cmd = 'up':
+			elif cmd == 'up':
 				if ptr-1 >= 0: ptr = ptr-1
 				else: print 'Bottom of stack.'
-			elif cmd = 'down':
+			elif cmd == 'down':
 				if ptr+1 < len(tblist): ptr = ptr+1
 				else: print 'Top of stack.'
-			elif cmd = 'locals':
+			elif cmd == 'locals':
 				printsymbols(tb.tb_frame.f_locals)
-			elif cmd = 'globals':
+			elif cmd == 'globals':
 				printsymbols(tb.tb_frame.f_globals)
 			elif cmd in ('?', 'help'):
 				browserhelp()
@@ -65,10 +65,10 @@
 	last = lineno
 	first = max(1, last-10)
 	for i in range(first, last+1):
-		if i = lineno: prefix = '***' + string.rjust(`i`, 4) + ':'
+		if i == lineno: prefix = '***' + string.rjust(`i`, 4) + ':'
 		else: prefix = string.rjust(`i`, 7) + ':'
 		line = readfileline(filename, i)
-		if line[-1:] = '\n': line = line[:-1]
+		if line[-1:] == '\n': line = line[:-1]
 		print prefix + line
 
 def browserexec(tb, cmd):
@@ -126,24 +126,24 @@
 		print
 
 def printobject(v, maxlevel):
-	if v = None:
+	if v == None:
 		print 'None',
 	elif type(v) in (type(0), type(0.0)):
 		print v,
-	elif type(v) = type(''):
+	elif type(v) == type(''):
 		if len(v) > 20:
 			print `v[:17] + '...'`,
 		else:
 			print `v`,
-	elif type(v) = type(()):
+	elif type(v) == type(()):
 		print '(',
 		printlist(v, maxlevel)
 		print ')',
-	elif type(v) = type([]):
+	elif type(v) == type([]):
 		print '[',
 		printlist(v, maxlevel)
 		print ']',
-	elif type(v) = type({}):
+	elif type(v) == type({}):
 		print '{',
 		printdict(v, maxlevel)
 		print '}',
@@ -152,7 +152,7 @@
 
 def printlist(v, maxlevel):
 	n = len(v)
-	if n = 0: return
+	if n == 0: return
 	if maxlevel <= 0:
 		print '...',
 		return
@@ -164,7 +164,7 @@
 def printdict(v, maxlevel):
 	keys = v.keys()
 	n = len(keys)
-	if n = 0: return
+	if n == 0: return
 	if maxlevel <= 0:
 		print '...',
 		return
@@ -187,8 +187,8 @@
 	cache_ok = 0
 	if _filecache.has_key(filename):
 		cached_stat, lines = _filecache[filename]
-		if stat[ST_SIZE] = cached_stat[ST_SIZE] and \
-				stat[ST_MTIME] = cached_stat[ST_MTIME]:
+		if stat[ST_SIZE] == cached_stat[ST_SIZE] and \
+				stat[ST_MTIME] == cached_stat[ST_MTIME]:
 			cache_ok = 1
 		else:
 			print 'Stale cache entry for', filename