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Recently, I discovered the unicode-math package that permits to insert unicode characters inside math environment. This permits, even in its basic configuration, to use all the greek letters and most of the math operators directly in the source file reducing the amount of code like \alpha, \gg, \leq, etc. inside your equation making even complex equation readable directly in the code. This is obviously an huge advantage IMHO but is it without any risk and without drawbacks?

The risk that comes to my mind is to confuse one character for another very similar. While there isn't this possibility using macro, it could happen typing it directly.

The drawback that comes to my mind is that the symbol is fixed, in the sense that its appearance is glued to its semantic meaning. This is a things that usually one should tries to avoid, if possible. i.e. amsmath package gives us six different dots (\dots,\dotsc,\dotso,\dotsb,\dotsi,\dotsm) that have the same appearance but different semantic meaning and one can change the appearance of the symbol of one semantic meaning without affecting the others.

Probably I wrote something wrong or there are more things to say on the subject but my question still remains: is it a bad practice to use unicode-math? If not, what is the best way to use it? There are risks? If yes, what they are? There are drawbacks? If yes, what they are?

I know that that discussion should be posted on meta but this is a discussion about a package, so I think that it's better to post it here. If this isn't the place where asking such a things, please move the question or write in the comments where should I post it.

Edit: As pointed out in by Ulrike Fischer in her answer, I completely miss the whole picture about unicode-math. But my question still remain even if it should be reformulated into this one: What are the pros an cons of using unicode inside math instead of LaTeX macros?

As pointed out in the comments, this could be read as on opinion based question, it is not. I'm not asking which solution is the best in your opinion. I'm asking what are pros and cons of using unicode inside math instad of the classical macros that LaTeX offers.

marked as duplicate by TeXnician, Troy, Mensch, Stefan Pinnow, Community May 20 '18 at 16:06

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

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    You tagged discussion. There is no discussion going on here, your question as it stands is opinion based. – Johannes_B May 20 '18 at 12:04
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    Working on a phd? How high are the chances of publishing a paper? A journal probably won't like that package, as almost none allows unicode engines. – Johannes_B May 20 '18 at 12:05
  • @Johannes_B What is a discussion? I think it's an exchange of opinions between two or more persons. – gvgramazio May 20 '18 at 12:42
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    Stackexchange and all its smaller child sites are for Answers to questions. Never for discussion as in a classical forum. – Johannes_B May 20 '18 at 12:44
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    in her answer. – Ulrike Fischer May 20 '18 at 13:20

Unicode input and unicode-math are not related like you claim it. You can use direct unicode input also with pdflatex:

\usepackage[utf8]{inputenc} %not needed with texlive 2018/current miktex

   α = ∫

and you can use commands with unicode-math:



   \alpha = \int

The point of unicode-math is that it uses one open type math font (here latin modern math) instead of a bunch of fonts like pdflatex.

  • So I completely miss the whole picture. So I should change the qeustion in Is a good practice to use unicode in math? What are the risks and the drawbacks? – gvgramazio May 20 '18 at 12:45
  • I don't know if it's best to delete the question and make a new one or add an edit to explain what I'm looking for. – gvgramazio May 20 '18 at 12:46
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    Well your question is a bit opinion based but it actually reflects a quite common misunderstanding so it could be useful for others so I think you should leave it. – Ulrike Fischer May 20 '18 at 12:55
  • I don't understand why on SE there is this hate about opinion based questions. One thing is to ask what is the best color? another thing is asking what are risk, costs and benefits of using a particular practice. The decision to do it or don't could be opinion based, but risk, costs and befits are facts. – gvgramazio May 20 '18 at 13:09
  • @gvgramazio Phrasing a question as “Is it a good practice…” (or worse, “It's a bad practice…” as the title of this question currently has) is inherently like “what is the best colour” and not like “what are the risks, costs, and benefits…”. – ShreevatsaR May 20 '18 at 13:58

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