store: add 'com0' and 'lpt0' doctest cases for _auxencode()

These are already covered by test-hybridencode.py, but they are so noteworthy
that I think they deserve being shown right in that doctest.

mercurial/store.py

@@ -132,8 +132,8 b' def _auxencode(path, dotencode):'
 
     >>> _auxencode('.foo/aux.txt/txt.aux/con/prn/nul/foo.', True)
     '~2efoo/au~78.txt/txt.aux/co~6e/pr~6e/nu~6c/foo~2e'
-    >>> _auxencode('.com1com2/lpt9.lpt4.lpt1/conprn/foo.', False)
-    '.com1com2/lp~749.lpt4.lpt1/conprn/foo~2e'
+    >>> _auxencode('.com1com2/lpt9.lpt4.lpt1/conprn/com0/lpt0/foo.', False)
+    '.com1com2/lp~749.lpt4.lpt1/conprn/com0/lpt0/foo~2e'
     >>> _auxencode('foo. ', True)
     'foo.~20'
     >>> _auxencode(' .foo', True)