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Should the questions with Unicode symbols in formulas be edited?

I'm asking this based on this question. Look in the source code to see what I mean.

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    $\begingroup$ No! Unicode is the future... $\endgroup$ – Fabian Dec 16 '12 at 20:11
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    $\begingroup$ What's wrong with having Unicode characters in posts? I use them all the time in my posts. (I don't use Unicode math symbols but rather symbols like “ ” — « ».) $\endgroup$ – Yury Dec 17 '12 at 1:03
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    $\begingroup$ I have a pretty low threshhold for editing posts—I go around adjusting the spacing and the heights of the parentheses in formulas—but even I wouldn't bother to replace a literal ε with \epsilon. $\endgroup$ – MJD Dec 17 '12 at 2:30
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    $\begingroup$ If it looks good, I don't see why we should bother. The only case I can see for editing is if the OP used literal ε one place and \epsilon another, and the two don't look the same.... $\endgroup$ – Willie Wong Dec 17 '12 at 9:43
  • $\begingroup$ I like using unicode math symbols. I find it easier to "scan" the code with unicode symbols and I use hotstrings to type them fast. Which problem could unicode symbols give ? $\endgroup$ – Kasper Dec 17 '12 at 14:58
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    $\begingroup$ Perhaps @m0nhawk should say what problem he or she thinks is being addressed here? $\endgroup$ – MJD Dec 17 '12 at 17:50
  • $\begingroup$ Not sure if it's related but it seems that Firefox has some trouble with one of the fonts it uses for mathematical Unicode characters. $\endgroup$ – draks ... Dec 18 '12 at 19:28

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