Recorded merge of revisions 78488 via svnmerge from
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  r78488 | florent.xicluna | 2010-02-27 14:31:23 +0100 (sam, 27 fév 2010) | 2 lines

  Issue #1729305: Fix doctest to handle encode error with "backslashreplace".  It fixes #7667 too.
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