Possible Duplicate:
Fix Markdown/SmartyPants in question titles

This question: Why is `x-- > 0` not undefined behaviour, while `x = x--` is?

Actually, the -- in the title of the question is an operator (in code), not a dash. The system should not change it into that, at least not on programming-related sites like Stack Overflow.

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    Huh, I knew that duplicate existed but I somehow couldn't find it. No wonder - it never even mentions "double" or "hyphen" or "dash" (aside from em-dash).
    – Grace Note StaffMod
    Commented Feb 7, 2011 at 18:12