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I tried sometimes and realized that exporter can recognize $1100^{\circ}C$ and 1000^\circ, but can not recognize 1000^\circC and 1000^\circ C correctly, so which is the best way to add a ℃? I would not like to use $1100^{\circ}C$, because it need to add two whitespaces in both sides.

Leu_Grady
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3 Answers3

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Why not use an appropriate wysiwyg character here.

A sample org file:

Foo! The temp is 12 °C.

The PDF after C-x C-e l o:

pdf preview

Different extended alphabet symbols can be typed with Emacs' C-x 8 subbindings. For instance:

Key            Gives
---------------------
C-x 8 o         °
C-x 8 u         µ

Be sure to check C-x 8 C-h for some of the mapped symbols.

Check also the input method TeX. It is pretty cool. It translates directly written TeX macros into unicode symbols. C-\ TeX RET and you're set.

mike3996
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  • Hi, thanks for your help. But can you tell me how to input these wysiwyg characters? – Leu_Grady Feb 26 '14 at 09:12
  • @user3173715: if you use Evil, then you can do the degree in insert mode with `C-k DG`. If not, there should be something under `C-x 8` but I haven't really used that feature. – mike3996 Feb 26 '14 at 10:16
  • I found a solution. Thank you anyway. And can you suggest me something about the input of micrometer unit in org-mode? – Leu_Grady Feb 26 '14 at 10:45
  • @user3173715: out of sheer luck, the first key turned out to be correct: `C-x 8 u` provides the letter µ. BTW, `C-x 8 o` gives °. – mike3996 Feb 26 '14 at 13:07
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If i would insert a Celsius symbol with C-x 8 o , it still would convert it to a non printable or useless character. The only way the Celsius sign works for me is when i insert it in org-mode with \textdegree

Coliban
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Another possibility is to replace the symbol with some latex command. I would recommend the siunitx package which I think yields better results in general. For example, with the code below and \usepackage{siunitx} in the header, you could write 12 °C in the Org document and it becomes \SI{12}{\degreeCelsius} in the tex file.

(defun org-latex-replace-degree (text backend info)
  (when (org-export-derived-backend-p backend 'latex)
    (replace-regexp-in-string
     "\\([0-9\.]*\\)\s?\\(°C\\)" "\\\\SI\{\\1\}\{\\\\degreeCelsius\}" text)))

(add-to-list 'org-export-filter-plain-text-functions 'org-latex-replace-degree)
jagrg
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