Preserve multibyte UTF-8 characters when obfuscating. This version uses the unicode 'replace' option, so non-UTF-8 encodings will still be mangled. Luckily, there aren't any of those.

#header#
    <title>#repo|escape#: tags </title>
    <description>#repo|escape# tag history</description>
    #entriesnotip%tagentry#
  </channel>
</rss>