It looks to me that you're not using regular pipe symbols, and you say "broken pipe" in your post, so maybe you're aware of it. Cutting and pasting from your posting, I get ¦ for your "pipes" and | for my pipes. Do those look different to you with your fonts?

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Your "broken pipe" character is not in the ASCII range, so it's probably getting screwed up with various encoding differences (utf8, latin1, shift-jis, whatever). Maybe you're using some heavyweight word-processing garbage like Word or OpenOffice Writer for your code editor or something?