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\[DifferentialD] apparently does not have a Unicode representation, so I had to enter it directly in a reformatting of question 83672. However, I noticed that it is displayed in blue, as if it were an unknown variable. A minor issue, perhaps, but I think this should be fixed.

Addendum

In light of the comment by Histograms, I suggest that it would be better yet for Mathematica StackExchange to interpret and display this character rather than just inserting a blank (probably non-printing) character. The same is true of \[Distributed] and, perhaps, other Mathematica characters.

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    \[DifferentialD] has unicode U+F74C but I think it's in the private use area so there's no guarantee it will render properly without the right font. reference.wolfram.com/language/ref/character/DifferentialD.html – Histograms May 18 '15 at 11:31
  • @Histograms. That code will only represent \[DifferentialD] in Mathematica. It will not show the Mathematica glyph in a browser. – m_goldberg May 18 '15 at 15:32
  • @m_goldberg yeah I know, as I understand, bbgodfrey's issue was more about colouring. It would be great if somehow we could use Mathematica's fonts as web fonts as I think it's in a TrueType font called Mathematica7_regular but that sounds like a recipe for confusion – Histograms May 18 '15 at 15:43
  • @Histograms TrueType font Mathematica7 does have this character, and Mathematica recognizes it, but it displays as d here. – bbgodfrey May 18 '15 at 20:15
  • Wait... Is there a way to get Mathematica special characters to auto format here? I always manually change them using a unicode table form wiki... – Chip Hurst May 19 '15 at 16:57
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    @ChipHurst See Meta 1463 and references therein for Halirutan's excellent approach. However, I use Silvia's approach in 1137. because I use Windows and do not like third party add-ons of uncertain provenance. I installed it as a palette and would be happy to share it with you. – bbgodfrey May 19 '15 at 17:09
  • @ChipHurst And another alternative is steampiano.net/msc – xzczd May 20 '15 at 12:18

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