Whitespace normalization.  Ran reindent.py over the entire source tree.
diff --git a/Demo/curses/life.py b/Demo/curses/life.py
index 4ce09d2..a787e26 100755
--- a/Demo/curses/life.py
+++ b/Demo/curses/life.py
@@ -11,7 +11,7 @@
 #  Cursor keys :  Move the cursor around the board
 #  Space or Enter : Toggle the contents of the cursor's position
 #
-# TODO : 
+# TODO :
 #   Support the mouse
 #   Use colour if available
 #   Make board updates faster
@@ -26,11 +26,11 @@
     Attributes:
     X,Y : horizontal and vertical size of the board
     state : dictionary mapping (x,y) to 0 or 1
-    
+
     Methods:
-    display(update_board) -- If update_board is true, compute the 
+    display(update_board) -- If update_board is true, compute the
                              next generation.  Then display the state
-			     of the board and refresh the screen.
+                             of the board and refresh the screen.
     erase() -- clear the entire board
     makeRandom() -- fill the board randomly
     set(y,x) -- set the given cell to Live; doesn't refresh the screen
@@ -39,90 +39,90 @@
 
     """
     def __init__(self, scr, char=ord('*')):
-	"""Create a new LifeBoard instance.
+        """Create a new LifeBoard instance.
 
-	scr -- curses screen object to use for display
-	char -- character used to render live cells (default: '*')
-	"""
-	self.state={} ; self.scr=scr
-	Y, X = self.scr.getmaxyx()
-	self.X, self.Y = X-2, Y-2-1
-	self.char = char
-	self.scr.clear()	
+        scr -- curses screen object to use for display
+        char -- character used to render live cells (default: '*')
+        """
+        self.state={} ; self.scr=scr
+        Y, X = self.scr.getmaxyx()
+        self.X, self.Y = X-2, Y-2-1
+        self.char = char
+        self.scr.clear()
 
-	# Draw a border around the board
-	border_line='+'+(self.X*'-')+'+'
-	self.scr.addstr(0, 0, border_line)
-	self.scr.addstr(self.Y+1,0, border_line)
-	for y in range(0, self.Y): 
-	    self.scr.addstr(1+y, 0, '|') 
-	    self.scr.addstr(1+y, self.X+1, '|')
-	self.scr.refresh()
+        # Draw a border around the board
+        border_line='+'+(self.X*'-')+'+'
+        self.scr.addstr(0, 0, border_line)
+        self.scr.addstr(self.Y+1,0, border_line)
+        for y in range(0, self.Y):
+            self.scr.addstr(1+y, 0, '|')
+            self.scr.addstr(1+y, self.X+1, '|')
+        self.scr.refresh()
 
-    def set(self, y, x): 
-	"""Set a cell to the live state"""
-	if x<0 or self.X<=x or y<0 or self.Y<=y:
-	    raise ValueError, "Coordinates out of range %i,%i"% (y,x)
-	self.state[x,y] = 1
+    def set(self, y, x):
+        """Set a cell to the live state"""
+        if x<0 or self.X<=x or y<0 or self.Y<=y:
+            raise ValueError, "Coordinates out of range %i,%i"% (y,x)
+        self.state[x,y] = 1
 
-    def toggle(self, y, x): 
-	"""Toggle a cell's state between live and dead"""
-	if x<0 or self.X<=x or y<0 or self.Y<=y:
-	    raise ValueError, "Coordinates out of range %i,%i"% (y,x)
-	if self.state.has_key( (x,y) ): 
-	    del self.state[x,y]
-	    self.scr.addch(y+1, x+1, ' ')
-	else:
-	    self.state[x,y]=1
-	    self.scr.addch(y+1, x+1, self.char)
-	self.scr.refresh()
+    def toggle(self, y, x):
+        """Toggle a cell's state between live and dead"""
+        if x<0 or self.X<=x or y<0 or self.Y<=y:
+            raise ValueError, "Coordinates out of range %i,%i"% (y,x)
+        if self.state.has_key( (x,y) ):
+            del self.state[x,y]
+            self.scr.addch(y+1, x+1, ' ')
+        else:
+            self.state[x,y]=1
+            self.scr.addch(y+1, x+1, self.char)
+        self.scr.refresh()
 
     def erase(self):
-	"""Clear the entire board and update the board display"""
-	self.state={}
-	self.display(update_board=0)
+        """Clear the entire board and update the board display"""
+        self.state={}
+        self.display(update_board=0)
 
     def display(self, update_board=1):
-	"""Display the whole board, optionally computing one generation"""
-	M,N = self.X, self.Y 
-	if not update_board:
-	    for i in range(0, M):
-		for j in range(0, N):
-			if self.state.has_key( (i,j) ): 
-			    self.scr.addch(j+1, i+1, self.char)
-			else:
-			    self.scr.addch(j+1, i+1, ' ')
-	    self.scr.refresh()
-	    return
+        """Display the whole board, optionally computing one generation"""
+        M,N = self.X, self.Y
+        if not update_board:
+            for i in range(0, M):
+                for j in range(0, N):
+                    if self.state.has_key( (i,j) ):
+                        self.scr.addch(j+1, i+1, self.char)
+                    else:
+                        self.scr.addch(j+1, i+1, ' ')
+            self.scr.refresh()
+            return
 
-	d={} ; self.boring=1
-	for i in range(0, M):
-	    L=range( max(0, i-1), min(M, i+2) )
-	    for j in range(0, N):
-		s=0
-		live=self.state.has_key( (i,j) )
-		for k in range( max(0, j-1), min(N, j+2) ):
-		    for l in L:
-			if self.state.has_key( (l,k) ):
-			    s=s+1
-		s=s-live
-		if s==3: 
-		    # Birth
-		    d[i,j]=1 
-		    self.scr.addch(j+1, i+1, self.char)
-		    if not live: self.boring=0  
-		elif s==2 and live: d[i,j]=1       # Survival
-		elif live: 
-		    # Death
-		    self.scr.addch(j+1, i+1, ' ')
-		    self.boring=0
-	self.state=d
-	self.scr.refresh()
+        d={} ; self.boring=1
+        for i in range(0, M):
+            L=range( max(0, i-1), min(M, i+2) )
+            for j in range(0, N):
+                s=0
+                live=self.state.has_key( (i,j) )
+                for k in range( max(0, j-1), min(N, j+2) ):
+                    for l in L:
+                        if self.state.has_key( (l,k) ):
+                            s=s+1
+                s=s-live
+                if s==3:
+                    # Birth
+                    d[i,j]=1
+                    self.scr.addch(j+1, i+1, self.char)
+                    if not live: self.boring=0
+                elif s==2 and live: d[i,j]=1       # Survival
+                elif live:
+                    # Death
+                    self.scr.addch(j+1, i+1, ' ')
+                    self.boring=0
+        self.state=d
+        self.scr.refresh()
 
     def makeRandom(self):
-	"Fill the board with a random pattern"
-	self.state={}
-	for i in range(0, self.X): 
+        "Fill the board with a random pattern"
+        self.state={}
+        for i in range(0, self.X):
             for j in range(0, self.Y):
                 if random.random() > 0.5: self.set(j,i)
 
@@ -149,7 +149,7 @@
     display_menu(stdscr, menu_y)
 
     # Allocate a subwindow for the Life board and create the board object
-    subwin=stdscr.subwin(stdscr_y-3, stdscr_x, 0, 0) 
+    subwin=stdscr.subwin(stdscr_y-3, stdscr_x, 0, 0)
     board=LifeBoard(subwin, char=ord('*'))
     board.display(update_board=0)
 
@@ -158,66 +158,65 @@
 
     # Main loop:
     while (1):
-	stdscr.move(1+ypos, 1+xpos)     # Move the cursor
-	c=stdscr.getch()		# Get a keystroke
-	if 0<c<256:
-	    c=chr(c)
-	    if c in ' \n':
-		board.toggle(ypos, xpos)
-	    elif c in 'Cc':
-		erase_menu(stdscr, menu_y)
-		stdscr.addstr(menu_y, 6, ' Hit any key to stop continuously '
-			      'updating the screen.')
-		stdscr.refresh()
-		# Activate nodelay mode; getch() will return -1
-		# if no keystroke is available, instead of waiting.
-		stdscr.nodelay(1)   
-		while (1):
-		    c=stdscr.getch()
-		    if c!=-1: break
-		    stdscr.addstr(0,0, '/'); stdscr.refresh()
-		    board.display()
-		    stdscr.addstr(0,0, '+'); stdscr.refresh()
+        stdscr.move(1+ypos, 1+xpos)     # Move the cursor
+        c=stdscr.getch()                # Get a keystroke
+        if 0<c<256:
+            c=chr(c)
+            if c in ' \n':
+                board.toggle(ypos, xpos)
+            elif c in 'Cc':
+                erase_menu(stdscr, menu_y)
+                stdscr.addstr(menu_y, 6, ' Hit any key to stop continuously '
+                              'updating the screen.')
+                stdscr.refresh()
+                # Activate nodelay mode; getch() will return -1
+                # if no keystroke is available, instead of waiting.
+                stdscr.nodelay(1)
+                while (1):
+                    c=stdscr.getch()
+                    if c!=-1: break
+                    stdscr.addstr(0,0, '/'); stdscr.refresh()
+                    board.display()
+                    stdscr.addstr(0,0, '+'); stdscr.refresh()
 
-		stdscr.nodelay(0)	# Disable nodelay mode
-		display_menu(stdscr, menu_y)
+                stdscr.nodelay(0)       # Disable nodelay mode
+                display_menu(stdscr, menu_y)
 
-	    elif c in 'Ee': board.erase()
-	    elif c in 'Qq': break
-	    elif c in 'Rr': 
-		board.makeRandom()
-		board.display(update_board=0)
-	    elif c in 'Ss':
-		board.display()
-	    else: pass                  # Ignore incorrect keys
-	elif c==curses.KEY_UP and ypos>0: 	     ypos=ypos-1
-	elif c==curses.KEY_DOWN and ypos<board.Y-1:  ypos=ypos+1
-	elif c==curses.KEY_LEFT and xpos>0:          xpos=xpos-1
-	elif c==curses.KEY_RIGHT and xpos<board.X-1: xpos=xpos+1
-        else: pass			# Ignore incorrect keys
+            elif c in 'Ee': board.erase()
+            elif c in 'Qq': break
+            elif c in 'Rr':
+                board.makeRandom()
+                board.display(update_board=0)
+            elif c in 'Ss':
+                board.display()
+            else: pass                  # Ignore incorrect keys
+        elif c==curses.KEY_UP and ypos>0:            ypos=ypos-1
+        elif c==curses.KEY_DOWN and ypos<board.Y-1:  ypos=ypos+1
+        elif c==curses.KEY_LEFT and xpos>0:          xpos=xpos-1
+        elif c==curses.KEY_RIGHT and xpos<board.X-1: xpos=xpos+1
+        else: pass                      # Ignore incorrect keys
 
 if __name__=='__main__':
     try:
-	# Initialize curses
-	stdscr=curses.initscr()
-	# Turn off echoing of keys, and enter cbreak mode,
-	# where no buffering is performed on keyboard input
-	curses.noecho() ; curses.cbreak()
+        # Initialize curses
+        stdscr=curses.initscr()
+        # Turn off echoing of keys, and enter cbreak mode,
+        # where no buffering is performed on keyboard input
+        curses.noecho() ; curses.cbreak()
 
-	# In keypad mode, escape sequences for special keys
-	# (like the cursor keys) will be interpreted and
-	# a special value like curses.KEY_LEFT will be returned
-	stdscr.keypad(1)
-	main(stdscr)			# Enter the main loop
-	# Set everything back to normal
-	stdscr.keypad(0)
-	curses.echo() ; curses.nocbreak()
-	curses.endwin()			# Terminate curses
+        # In keypad mode, escape sequences for special keys
+        # (like the cursor keys) will be interpreted and
+        # a special value like curses.KEY_LEFT will be returned
+        stdscr.keypad(1)
+        main(stdscr)                    # Enter the main loop
+        # Set everything back to normal
+        stdscr.keypad(0)
+        curses.echo() ; curses.nocbreak()
+        curses.endwin()                 # Terminate curses
     except:
         # In the event of an error, restore the terminal
-	# to a sane state.
-	stdscr.keypad(0)
-	curses.echo() ; curses.nocbreak()
-	curses.endwin()
-	traceback.print_exc()		# Print the exception
-
+        # to a sane state.
+        stdscr.keypad(0)
+        curses.echo() ; curses.nocbreak()
+        curses.endwin()
+        traceback.print_exc()           # Print the exception
diff --git a/Demo/curses/ncurses.py b/Demo/curses/ncurses.py
index 96aa142..c9394d0 100644
--- a/Demo/curses/ncurses.py
+++ b/Demo/curses/ncurses.py
@@ -209,7 +209,7 @@
             w5.addstr(mod[itmp])
             pflush()
             wait_a_while()
-            
+
             saywhat("m5; press any key to continue")
             w4.move(curses.LINES / 6, 1)
             w4.addstr(mod[itmp])
@@ -218,7 +218,7 @@
             w5.addstr(mod[itmp])
             pflush()
             wait_a_while()
-            
+
         saywhat("m4; press any key to continue")
         p4.move(curses.LINES / 6, (itmp + 1) * curses.COLS / 8)
         pflush()
diff --git a/Demo/curses/rain.py b/Demo/curses/rain.py
index 2399d7f..69794b3 100644
--- a/Demo/curses/rain.py
+++ b/Demo/curses/rain.py
@@ -27,18 +27,18 @@
     # Initialize it globally for convenience.
     global stdscr
     stdscr = win
-    
+
     if curses.has_colors():
         bg = curses.COLOR_BLACK
         curses.init_pair(1, curses.COLOR_BLUE, bg)
         curses.init_pair(2, curses.COLOR_CYAN, bg)
-    
+
     curses.nl()
     curses.noecho()
     # XXX curs_set() always returns ERR
     # curses.curs_set(0)
     stdscr.timeout(0)
-    
+
     c = curses.COLS - 4
     r = curses.LINES - 4
     xpos = [0] * c
@@ -46,38 +46,38 @@
     for j in range(4, -1, -1):
         xpos[j] = randrange(0, c) + 2
         ypos[j] = randrange(0, r) + 2
-    
+
     j = 0
     while 1:
         x = randrange(0, c) + 2
         y = randrange(0, r) + 2
-        
+
         stdscr.addch(y, x, ord('.'))
-        
+
         stdscr.addch(ypos[j], xpos[j], ord('o'))
-        
+
         j = next_j(j)
         stdscr.addch(ypos[j], xpos[j], ord('O'))
-        
+
         j = next_j(j)
         stdscr.addch( ypos[j] - 1, xpos[j],     ord('-'))
         stdscr.addstr(ypos[j],     xpos[j] - 1, "|.|")
         stdscr.addch( ypos[j] + 1, xpos[j],     ord('-'))
-        
+
         j = next_j(j)
         stdscr.addch( ypos[j] - 2, xpos[j],     ord('-'))
         stdscr.addstr(ypos[j] - 1, xpos[j] - 1, "/ \\")
         stdscr.addstr(ypos[j],     xpos[j] - 2, "| O |")
         stdscr.addstr(ypos[j] + 1, xpos[j] - 1, "\\ /")
         stdscr.addch( ypos[j] + 2, xpos[j],     ord('-'))
-        
+
         j = next_j(j)
         stdscr.addch( ypos[j] - 2, xpos[j],     ord(' '))
         stdscr.addstr(ypos[j] - 1, xpos[j] - 1, "   ")
         stdscr.addstr(ypos[j],     xpos[j] - 2, "     ")
         stdscr.addstr(ypos[j] + 1, xpos[j] - 1, "   ")
         stdscr.addch( ypos[j] + 2, xpos[j],     ord(' '))
-        
+
         xpos[j] = x
         ypos[j] = y
 
@@ -90,5 +90,5 @@
             stdscr.nodelay(1)
 
         curses.napms(50)
-        
+
 curses.wrapper(main)
diff --git a/Demo/curses/tclock.py b/Demo/curses/tclock.py
index f423e9a..1950043 100644
--- a/Demo/curses/tclock.py
+++ b/Demo/curses/tclock.py
@@ -66,7 +66,7 @@
 def main(win):
     global stdscr
     stdscr = win
-    
+
     lastbeep = -1
     my_bg = curses.COLOR_BLACK
 
@@ -80,7 +80,7 @@
 
     cx = (curses.COLS - 1) / 2
     cy = curses.LINES / 2
-    ch = min( cy-1, int(cx / ASPECT) - 1) 
+    ch = min( cy-1, int(cx / ASPECT) - 1)
     mradius = (3 * ch) / 4
     hradius = ch / 2
     sradius = 5 * ch / 6
@@ -95,7 +95,7 @@
                   "ASCII Clock by Howard Jones <ha.jones@ic.ac.uk>, 1994")
 
     sradius = max(sradius-4, 8)
-    
+
     while 1:
         curses.napms(1000)
 
@@ -125,7 +125,7 @@
             stdscr.attrset(curses.color_pair(1))
 
         plot(cx + sdx, cy - sdy, ord('O'))
-        
+
         if curses.has_colors():
             stdscr.attrset(curses.color_pair(0))
 
diff --git a/Demo/curses/xmas.py b/Demo/curses/xmas.py
index 99c7087..e51bc5f 100644
--- a/Demo/curses/xmas.py
+++ b/Demo/curses/xmas.py
@@ -66,9 +66,9 @@
     stdscr.addch(14, 1, ord('N'))
     stdscr.addch(16, 1, ord("'"))
     stdscr.addch(18, 1, ord('S'))
-    
+
     return
-    
+
 def greet():
     stdscr.addch(3, 5, ord('G'))
     stdscr.addch(5, 5, ord('R'))
@@ -300,7 +300,7 @@
             break
 
         treescrn8.touchwin()
-    
+
     # ALL ON
     treescrn.overlay(treescrn8)
     treescrn8.refresh()
@@ -347,10 +347,10 @@
             else:
                 dotdeer0.addch(y_pos, x_pos, ord('*'))
                 dotdeer0.refresh()
-		w_del_msg.refresh()
-		dotdeer0.erase()
-		dotdeer0.refresh()
-		w_del_msg.refresh()
+                w_del_msg.refresh()
+                dotdeer0.erase()
+                dotdeer0.refresh()
+                w_del_msg.refresh()
 
     x_pos = 58
 
@@ -360,76 +360,76 @@
         w_del_msg.refresh()
 
         for looper in range(0, 4):
-	    deer_step(lildeer3, y_pos, x_pos)
-	    deer_step(lildeer2, y_pos, x_pos)
-	    deer_step(lildeer1, y_pos, x_pos)
-	    deer_step(lildeer2, y_pos, x_pos)
-	    deer_step(lildeer3, y_pos, x_pos)
+            deer_step(lildeer3, y_pos, x_pos)
+            deer_step(lildeer2, y_pos, x_pos)
+            deer_step(lildeer1, y_pos, x_pos)
+            deer_step(lildeer2, y_pos, x_pos)
+            deer_step(lildeer3, y_pos, x_pos)
 
-	    lildeer0.touchwin()
-	    lildeer0.refresh()
-	    w_del_msg.refresh()
+            lildeer0.touchwin()
+            lildeer0.refresh()
+            w_del_msg.refresh()
 
-	    x_pos -= 2
+            x_pos -= 2
 
     x_pos = 35
 
     for y_pos in range(5, 10):
 
-	middeer0.touchwin()
-	middeer0.refresh()
-	w_del_msg.refresh()
+        middeer0.touchwin()
+        middeer0.refresh()
+        w_del_msg.refresh()
 
         for looper in range(0, 2):
-	    deer_step(middeer3, y_pos, x_pos)
-	    deer_step(middeer2, y_pos, x_pos)
-	    deer_step(middeer1, y_pos, x_pos)
-	    deer_step(middeer2, y_pos, x_pos)
-	    deer_step(middeer3, y_pos, x_pos)
+            deer_step(middeer3, y_pos, x_pos)
+            deer_step(middeer2, y_pos, x_pos)
+            deer_step(middeer1, y_pos, x_pos)
+            deer_step(middeer2, y_pos, x_pos)
+            deer_step(middeer3, y_pos, x_pos)
 
-	    middeer0.touchwin()
-	    middeer0.refresh()
-	    w_del_msg.refresh()
+            middeer0.touchwin()
+            middeer0.refresh()
+            w_del_msg.refresh()
 
-	    x_pos -= 3
+            x_pos -= 3
 
     look_out(300)
 
     y_pos = 1
 
     for x_pos in range(8, 16):
-	deer_step(bigdeer4, y_pos, x_pos)
-	deer_step(bigdeer3, y_pos, x_pos)
-	deer_step(bigdeer2, y_pos, x_pos)
-	deer_step(bigdeer1, y_pos, x_pos)
-	deer_step(bigdeer2, y_pos, x_pos)
-	deer_step(bigdeer3, y_pos, x_pos)
-	deer_step(bigdeer4, y_pos, x_pos)
-	deer_step(bigdeer0, y_pos, x_pos)
+        deer_step(bigdeer4, y_pos, x_pos)
+        deer_step(bigdeer3, y_pos, x_pos)
+        deer_step(bigdeer2, y_pos, x_pos)
+        deer_step(bigdeer1, y_pos, x_pos)
+        deer_step(bigdeer2, y_pos, x_pos)
+        deer_step(bigdeer3, y_pos, x_pos)
+        deer_step(bigdeer4, y_pos, x_pos)
+        deer_step(bigdeer0, y_pos, x_pos)
 
     x_pos -= 1
 
     for looper in range(0, 6):
-	deer_step(lookdeer4, y_pos, x_pos)
-	deer_step(lookdeer3, y_pos, x_pos)
-	deer_step(lookdeer2, y_pos, x_pos)
-	deer_step(lookdeer1, y_pos, x_pos)
-	deer_step(lookdeer2, y_pos, x_pos)
-	deer_step(lookdeer3, y_pos, x_pos)
-	deer_step(lookdeer4, y_pos, x_pos)
+        deer_step(lookdeer4, y_pos, x_pos)
+        deer_step(lookdeer3, y_pos, x_pos)
+        deer_step(lookdeer2, y_pos, x_pos)
+        deer_step(lookdeer1, y_pos, x_pos)
+        deer_step(lookdeer2, y_pos, x_pos)
+        deer_step(lookdeer3, y_pos, x_pos)
+        deer_step(lookdeer4, y_pos, x_pos)
 
     deer_step(lookdeer0, y_pos, x_pos)
 
     for y_pos in range(y_pos, 10):
         for looper in range(0, 2):
-	    deer_step(bigdeer4, y_pos, x_pos)
-	    deer_step(bigdeer3, y_pos, x_pos)
-	    deer_step(bigdeer2, y_pos, x_pos)
-	    deer_step(bigdeer1, y_pos, x_pos)
-	    deer_step(bigdeer2, y_pos, x_pos)
-	    deer_step(bigdeer3, y_pos, x_pos)
-	    deer_step(bigdeer4, y_pos, x_pos)
-	deer_step(bigdeer0, y_pos, x_pos)
+            deer_step(bigdeer4, y_pos, x_pos)
+            deer_step(bigdeer3, y_pos, x_pos)
+            deer_step(bigdeer2, y_pos, x_pos)
+            deer_step(bigdeer1, y_pos, x_pos)
+            deer_step(bigdeer2, y_pos, x_pos)
+            deer_step(bigdeer3, y_pos, x_pos)
+            deer_step(bigdeer4, y_pos, x_pos)
+        deer_step(bigdeer0, y_pos, x_pos)
 
     y_pos -= 1
 
@@ -439,7 +439,7 @@
 def main(win):
     global stdscr
     stdscr = win
-    
+
     global my_bg, y_pos, x_pos
     global treescrn, treescrn2, treescrn3, treescrn4
     global treescrn5, treescrn6, treescrn7, treescrn8
@@ -452,7 +452,7 @@
 
     my_bg = curses.COLOR_BLACK
     # curses.curs_set(0)
-    
+
     treescrn = curses.newwin(16, 27, 3, 53)
     treescrn2 = curses.newwin(16, 27, 3, 53)
     treescrn3 = curses.newwin(16, 27, 3, 53)
@@ -461,37 +461,37 @@
     treescrn6 = curses.newwin(16, 27, 3, 53)
     treescrn7 = curses.newwin(16, 27, 3, 53)
     treescrn8 = curses.newwin(16, 27, 3, 53)
-    
+
     dotdeer0 = curses.newwin(3, 71, 0, 8)
-    
+
     stardeer0 = curses.newwin(4, 56, 0, 8)
-    
+
     lildeer0 = curses.newwin(7, 53, 0, 8)
     lildeer1 = curses.newwin(2, 4, 0, 0)
     lildeer2 = curses.newwin(2, 4, 0, 0)
     lildeer3 = curses.newwin(2, 4, 0, 0)
-    
+
     middeer0 = curses.newwin(15, 42, 0, 8)
     middeer1 = curses.newwin(3, 7, 0, 0)
     middeer2 = curses.newwin(3, 7, 0, 0)
     middeer3 = curses.newwin(3, 7, 0, 0)
-    
+
     bigdeer0 = curses.newwin(10, 23, 0, 0)
     bigdeer1 = curses.newwin(10, 23, 0, 0)
     bigdeer2 = curses.newwin(10, 23, 0, 0)
     bigdeer3 = curses.newwin(10, 23, 0, 0)
     bigdeer4 = curses.newwin(10, 23, 0, 0)
-    
+
     lookdeer0 = curses.newwin(10, 25, 0, 0)
     lookdeer1 = curses.newwin(10, 25, 0, 0)
     lookdeer2 = curses.newwin(10, 25, 0, 0)
     lookdeer3 = curses.newwin(10, 25, 0, 0)
     lookdeer4 = curses.newwin(10, 25, 0, 0)
-    
+
     w_holiday = curses.newwin(1, 27, 3, 27)
-    
+
     w_del_msg = curses.newwin(1, 20, 23, 60)
-    
+
     try:
         w_del_msg.addstr(0, 0, "Hit any key to quit")
     except curses.error:
@@ -501,7 +501,7 @@
         w_holiday.addstr(0, 0, "H A P P Y  H O L I D A Y S")
     except curses.error:
         pass
-    
+
     # set up the windows for our various reindeer
     lildeer1.addch(0, 0, ord('V'))
     lildeer1.addch(1, 0, ord('@'))
@@ -511,7 +511,7 @@
         lildeer1.addch(1, 3, ord('~'))
     except curses.error:
         pass
-    
+
     lildeer2.addch(0, 0, ord('V'))
     lildeer2.addch(1, 0, ord('@'))
     lildeer2.addch(1, 1, ord('|'))
@@ -520,16 +520,16 @@
         lildeer2.addch(1, 3, ord('~'))
     except curses.error:
         pass
-    
+
     lildeer3.addch(0, 0, ord('V'))
     lildeer3.addch(1, 0, ord('@'))
     lildeer3.addch(1, 1, ord('>'))
     lildeer3.addch(1, 2, ord('<'))
     try:
-        lildeer2.addch(1, 3, ord('~'))	# XXX
+        lildeer2.addch(1, 3, ord('~'))  # XXX
     except curses.error:
         pass
-    
+
     middeer1.addch(0, 2, ord('y'))
     middeer1.addch(0, 3, ord('y'))
     middeer1.addch(1, 2, ord('0'))
@@ -539,7 +539,7 @@
     middeer1.addch(1, 6, ord('~'))
     middeer1.addch(2, 3, ord('\\'))
     middeer1.addch(2, 5, ord('/'))
-    
+
     middeer2.addch(0, 2, ord('y'))
     middeer2.addch(0, 3, ord('y'))
     middeer2.addch(1, 2, ord('0'))
@@ -549,7 +549,7 @@
     middeer2.addch(1, 6, ord('~'))
     middeer2.addch(2, 3, ord('|'))
     middeer2.addch(2, 5, ord('|'))
-    
+
     middeer3.addch(0, 2, ord('y'))
     middeer3.addch(0, 3, ord('y'))
     middeer3.addch(1, 2, ord('0'))
@@ -577,11 +577,11 @@
     bigdeer1.addch(4, 19, ord('\\'))
     bigdeer1.addch(4, 22, ord('\\'))
     bigdeer1.addstr(5, 7, "^~~~~~~~~//  ~~U")
-    bigdeer1.addstr(6, 7, "( \\_____( /")	# ))
+    bigdeer1.addstr(6, 7, "( \\_____( /")       # ))
     bigdeer1.addstr(7, 8, "( )    /")
     bigdeer1.addstr(8, 9, "\\\\   /")
     bigdeer1.addstr(9, 11, "\\>/>")
-    
+
     bigdeer2.addch(0, 17, ord('\\'))
     bigdeer2.addch(0, 18, ord('/'))
     bigdeer2.addch(0, 19, ord('\\'))
@@ -599,11 +599,11 @@
     bigdeer2.addch(4, 19, ord('\\'))
     bigdeer2.addch(4, 22, ord('\\'))
     bigdeer2.addstr(5, 7, "^~~~~~~~~//  ~~U")
-    bigdeer2.addstr(6, 7, "(( )____( /")	# ))
+    bigdeer2.addstr(6, 7, "(( )____( /")        # ))
     bigdeer2.addstr(7, 7, "( /    |")
     bigdeer2.addstr(8, 8, "\\/    |")
     bigdeer2.addstr(9, 9, "|>   |>")
-    
+
     bigdeer3.addch(0, 17, ord('\\'))
     bigdeer3.addch(0, 18, ord('/'))
     bigdeer3.addch(0, 19, ord('\\'))
@@ -621,11 +621,11 @@
     bigdeer3.addch(4, 19, ord('\\'))
     bigdeer3.addch(4, 22, ord('\\'))
     bigdeer3.addstr(5, 7, "^~~~~~~~~//  ~~U")
-    bigdeer3.addstr(6, 6, "( ()_____( /")	# ))
+    bigdeer3.addstr(6, 6, "( ()_____( /")       # ))
     bigdeer3.addstr(7, 6, "/ /       /")
     bigdeer3.addstr(8, 5, "|/          \\")
     bigdeer3.addstr(9, 5, "/>           \\>")
-    
+
     bigdeer4.addch(0, 17, ord('\\'))
     bigdeer4.addch(0, 18, ord('/'))
     bigdeer4.addch(0, 19, ord('\\'))
@@ -643,51 +643,51 @@
     bigdeer4.addch(4, 19, ord('\\'))
     bigdeer4.addch(4, 22, ord('\\'))
     bigdeer4.addstr(5, 7, "^~~~~~~~~//  ~~U")
-    bigdeer4.addstr(6, 6, "( )______( /")	# )
-    bigdeer4.addstr(7, 5, "(/          \\")	# )
+    bigdeer4.addstr(6, 6, "( )______( /")       # )
+    bigdeer4.addstr(7, 5, "(/          \\")     # )
     bigdeer4.addstr(8, 0, "v___=             ----^")
-    
+
     lookdeer1.addstr(0, 16, "\\/     \\/")
     lookdeer1.addstr(1, 17, "\\Y/ \\Y/")
     lookdeer1.addstr(2, 19, "\\=/")
     lookdeer1.addstr(3, 17, "^\\o o/^")
     lookdeer1.addstr(4, 17, "//( )")
     lookdeer1.addstr(5, 7, "^~~~~~~~~// \\O/")
-    lookdeer1.addstr(6, 7, "( \\_____( /")	# ))
+    lookdeer1.addstr(6, 7, "( \\_____( /")      # ))
     lookdeer1.addstr(7, 8, "( )    /")
     lookdeer1.addstr(8, 9, "\\\\   /")
     lookdeer1.addstr(9, 11, "\\>/>")
-    
+
     lookdeer2.addstr(0, 16, "\\/     \\/")
     lookdeer2.addstr(1, 17, "\\Y/ \\Y/")
     lookdeer2.addstr(2, 19, "\\=/")
     lookdeer2.addstr(3, 17, "^\\o o/^")
     lookdeer2.addstr(4, 17, "//( )")
     lookdeer2.addstr(5, 7, "^~~~~~~~~// \\O/")
-    lookdeer2.addstr(6, 7, "(( )____( /")	# ))
+    lookdeer2.addstr(6, 7, "(( )____( /")       # ))
     lookdeer2.addstr(7, 7, "( /    |")
     lookdeer2.addstr(8, 8, "\\/    |")
     lookdeer2.addstr(9, 9, "|>   |>")
-    
+
     lookdeer3.addstr(0, 16, "\\/     \\/")
     lookdeer3.addstr(1, 17, "\\Y/ \\Y/")
     lookdeer3.addstr(2, 19, "\\=/")
     lookdeer3.addstr(3, 17, "^\\o o/^")
     lookdeer3.addstr(4, 17, "//( )")
     lookdeer3.addstr(5, 7, "^~~~~~~~~// \\O/")
-    lookdeer3.addstr(6, 6, "( ()_____( /")	# ))
+    lookdeer3.addstr(6, 6, "( ()_____( /")      # ))
     lookdeer3.addstr(7, 6, "/ /       /")
     lookdeer3.addstr(8, 5, "|/          \\")
     lookdeer3.addstr(9, 5, "/>           \\>")
-    
+
     lookdeer4.addstr(0, 16, "\\/     \\/")
     lookdeer4.addstr(1, 17, "\\Y/ \\Y/")
     lookdeer4.addstr(2, 19, "\\=/")
     lookdeer4.addstr(3, 17, "^\\o o/^")
     lookdeer4.addstr(4, 17, "//( )")
     lookdeer4.addstr(5, 7, "^~~~~~~~~// \\O/")
-    lookdeer4.addstr(6, 6, "( )______( /")	# )
-    lookdeer4.addstr(7, 5, "(/          \\")	# )
+    lookdeer4.addstr(6, 6, "( )______( /")      # )
+    lookdeer4.addstr(7, 5, "(/          \\")    # )
     lookdeer4.addstr(8, 0, "v___=             ----^")
 
     ###############################################
@@ -780,9 +780,9 @@
 
         # strng1
         treescrn4.addch(3, 13, ord(' '))
-        
+
         # strng2
-        
+
         # strng3
         treescrn4.addch(7, 15, ord(' '))
         treescrn4.addch(8, 11, ord(' '))
@@ -830,67 +830,67 @@
         treescrn.overlay(treescrn6)
 
         # balls
-	treescrn6.addch(6, 7, ord(' '))
-	treescrn6.addch(7, 18, ord(' '))
-	treescrn6.addch(10, 4, ord(' '))
-	treescrn6.addch(11, 23, ord(' '))
+        treescrn6.addch(6, 7, ord(' '))
+        treescrn6.addch(7, 18, ord(' '))
+        treescrn6.addch(10, 4, ord(' '))
+        treescrn6.addch(11, 23, ord(' '))
 
-	# star
-	treescrn6.standout()
-	treescrn6.addch(0, 12, ord('*'))
-	treescrn6.standend()
+        # star
+        treescrn6.standout()
+        treescrn6.addch(0, 12, ord('*'))
+        treescrn6.standend()
 
-	# strng1
+        # strng1
 
-	# strng2
-	treescrn6.addch(5, 11, ord(' '))
+        # strng2
+        treescrn6.addch(5, 11, ord(' '))
 
-	# strng3
-	treescrn6.addch(7, 13, ord(' '))
-	treescrn6.addch(8, 9, ord(' '))
+        # strng3
+        treescrn6.addch(7, 13, ord(' '))
+        treescrn6.addch(8, 9, ord(' '))
 
-	# strng4
-	treescrn6.addch(9, 14, ord(' '))
-	treescrn6.addch(10, 10, ord(' '))
-	treescrn6.addch(11, 6, ord(' '))
+        # strng4
+        treescrn6.addch(9, 14, ord(' '))
+        treescrn6.addch(10, 10, ord(' '))
+        treescrn6.addch(11, 6, ord(' '))
 
-	# strng5
-	treescrn6.addch(11, 16, ord(' '))
-	treescrn6.addch(12, 12, ord(' '))
+        # strng5
+        treescrn6.addch(11, 16, ord(' '))
+        treescrn6.addch(12, 12, ord(' '))
 
-	#  treescrn7
+        #  treescrn7
 
-	treescrn.overlay(treescrn7)
+        treescrn.overlay(treescrn7)
 
-	# balls
-	treescrn7.addch(3, 15, ord(' '))
-	treescrn7.addch(6, 7, ord(' '))
-	treescrn7.addch(7, 18, ord(' '))
-	treescrn7.addch(10, 4, ord(' '))
-	treescrn7.addch(11, 22, ord(' '))
+        # balls
+        treescrn7.addch(3, 15, ord(' '))
+        treescrn7.addch(6, 7, ord(' '))
+        treescrn7.addch(7, 18, ord(' '))
+        treescrn7.addch(10, 4, ord(' '))
+        treescrn7.addch(11, 22, ord(' '))
 
-	# star
-	treescrn7.addch(0, 12, ord('*'))
+        # star
+        treescrn7.addch(0, 12, ord('*'))
 
-	# strng1
-	treescrn7.addch(3, 12, ord(' '))
+        # strng1
+        treescrn7.addch(3, 12, ord(' '))
 
-	# strng2
-	treescrn7.addch(5, 13, ord(' '))
-	treescrn7.addch(6, 9, ord(' '))
+        # strng2
+        treescrn7.addch(5, 13, ord(' '))
+        treescrn7.addch(6, 9, ord(' '))
 
-	# strng3
-	treescrn7.addch(7, 15, ord(' '))
-	treescrn7.addch(8, 11, ord(' '))
+        # strng3
+        treescrn7.addch(7, 15, ord(' '))
+        treescrn7.addch(8, 11, ord(' '))
 
-	# strng4
-	treescrn7.addch(9, 16, ord(' '))
-	treescrn7.addch(10, 12, ord(' '))
-	treescrn7.addch(11, 8, ord(' '))
+        # strng4
+        treescrn7.addch(9, 16, ord(' '))
+        treescrn7.addch(10, 12, ord(' '))
+        treescrn7.addch(11, 8, ord(' '))
 
-	# strng5
-	treescrn7.addch(11, 18, ord(' '))
-	treescrn7.addch(12, 14, ord(' '))
+        # strng5
+        treescrn7.addch(11, 18, ord(' '))
+        treescrn7.addch(12, 14, ord(' '))
 
         look_out(150)
         reindeer()
@@ -902,5 +902,5 @@
         look_out(500)
         for i in range(0, 20):
             blinkit()
-    
+
 curses.wrapper(main)