Whitespace normalization, via reindent.py.
diff --git a/Mac/Demo/example0/checktext.py b/Mac/Demo/example0/checktext.py
index a5943a6..25f71e4 100644
--- a/Mac/Demo/example0/checktext.py
+++ b/Mac/Demo/example0/checktext.py
@@ -5,33 +5,31 @@
 import string
 
 def main():
-	pathname = EasyDialogs.AskFileForOpen(message='File to check end-of-lines in:')
-	if not pathname:
-		sys.exit(0)
-	fp = open(pathname, 'rb')
-	try:
-		data = fp.read()
-	except MemoryError:
-		EasyDialogs.Message('Sorry, file is too big.')
-		sys.exit(0)
-	if len(data) == 0:
-		EasyDialogs.Message('File is empty.')
-		sys.exit(0)
-	number_cr = string.count(data, '\r')
-	number_lf = string.count(data, '\n')
-	if number_cr == number_lf == 0:
-		EasyDialogs.Message('File contains no lines.')
-	if number_cr == 0:
-		EasyDialogs.Message('File has unix-style line endings')
-	elif number_lf == 0:
-		EasyDialogs.Message('File has mac-style line endings')
-	elif number_cr == number_lf:
-		EasyDialogs.Message('File probably has MSDOS-style line endings')
-	else:
-		EasyDialogs.Message('File has no recognizable line endings (binary file?)')
-	sys.exit(0)
-	
+    pathname = EasyDialogs.AskFileForOpen(message='File to check end-of-lines in:')
+    if not pathname:
+        sys.exit(0)
+    fp = open(pathname, 'rb')
+    try:
+        data = fp.read()
+    except MemoryError:
+        EasyDialogs.Message('Sorry, file is too big.')
+        sys.exit(0)
+    if len(data) == 0:
+        EasyDialogs.Message('File is empty.')
+        sys.exit(0)
+    number_cr = string.count(data, '\r')
+    number_lf = string.count(data, '\n')
+    if number_cr == number_lf == 0:
+        EasyDialogs.Message('File contains no lines.')
+    if number_cr == 0:
+        EasyDialogs.Message('File has unix-style line endings')
+    elif number_lf == 0:
+        EasyDialogs.Message('File has mac-style line endings')
+    elif number_cr == number_lf:
+        EasyDialogs.Message('File probably has MSDOS-style line endings')
+    else:
+        EasyDialogs.Message('File has no recognizable line endings (binary file?)')
+    sys.exit(0)
+
 if __name__ == '__main__':
-	main()
-	
-	
+    main()