Interpret three slashes in file: URL as local file (for Netscape on
Windows/Mac).
diff --git a/Lib/urllib.py b/Lib/urllib.py
index d9040cc..337015f 100644
--- a/Lib/urllib.py
+++ b/Lib/urllib.py
@@ -281,10 +281,10 @@
 
 	# Use local file or FTP depending on form of URL
 	def open_file(self, url):
-		if url[:2] == '//':
-			return self.open_ftp(url)
-		else:
-			return self.open_local_file(url)
+	    if url[:2] == '//' and url[2:3] != '/':
+		return self.open_ftp(url)
+	    else:
+		return self.open_local_file(url)
 
 	# Use local file
 	def open_local_file(self, url):