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ChristopherCreutzig
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<u style="display:none"><sp_ch>[http://hifrienddd.info friend]</sp_ch></u>
Reverted edit of 67.86.239.122, changed back to last version by ChristopherCreutzig
Christopher Creutzig is just some mathematician daddling around with TeX programming as part of his job, mostly doing LaTeX, though.