Actually make \r usable

test/test_diff_parser.py

@@ -958,4 +958,6 @@ def test_wrong_backslash(differ):
 def test_random_unicode_characters(differ):
     differ.initialize('')
     differ.parse('\x1dĔBϞɛˁşʑ˳˻ȣſéÎ\x90̕ȟòwʘ\x1dĔBϞɛˁşʑ˳˻ȣſéÎ', parsers=1, expect_error_leaves=True)
+    differ.parse('\r\r', parsers=1)
+    differ.parse("˟Ę\x05À\r   rúƣ@\x8a\x15r()\n", parsers=1, expect_error_leaves=True)
     differ.parse('')

test/test_get_code.py

@@ -106,14 +106,15 @@ def test_end_newlines():
 
 
 @pytest.mark.parametrize(('code', 'types'), [
-    ('\r', ['error_leaf', 'endmarker']),
-    ('\n\r', ['error_leaf', 'endmarker'])
+    ('\r', ['endmarker']),
+    ('\n\r', ['endmarker'])
 ])
 def test_carriage_return_at_end(code, types):
     """
-    By adding an artificial newline this creates weird side effects for
-    \r at the end of files that would normally be error leafs.
+    By adding an artificial newline this created weird side effects for
+    \r at the end of files.
     """
     tree = parse(code)
     assert tree.get_code() == code
     assert [c.type for c in tree.children] == types
+    assert tree.end_pos == (len(code) + 1, 0)