--- a/mercurial/util.py	Thu Apr 21 12:10:03 2011 +0200
+++ b/mercurial/util.py	Thu Apr 21 13:18:52 2011 +0200
@@ -445,11 +445,6 @@
 
     return hardlink, num
 
-def checkfilename(f):
-    '''Check that the filename f is an acceptable filename for a tracked file'''
-    if '\r' in f or '\n' in f:
-        raise Abort(_("'\\n' and '\\r' disallowed in filenames: %r") % f)
-
 _windows_reserved_filenames = '''con prn aux nul
     com1 com2 com3 com4 com5 com6 com7 com8 com9
     lpt1 lpt2 lpt3 lpt4 lpt5 lpt6 lpt7 lpt8 lpt9'''.split()