{unicode} is for questions about Unicode (an international standard for character encoding) and its implementations. For questions about input encodings use {input-encodings}.

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100
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8answers
39k views

Entering Unicode characters in LaTeX

How do I enter Unicode characters in LaTeX? What packages do I need to install and what escape sequence do I type to specify Unicode characters in an ASCII source file?
98
votes
5answers
39k views

utf8x vs. utf8 (inputenc)

I normally use \usepackage[utf8]{inputenc} for my latex document but on this site i saw a lot of code with \usepackage[utf8x]{inputenc}. What are the differences between the 2 options ? Is there one ...
42
votes
2answers
52k views

Which dot character to use in which context?

Wikipedia lists several dot characters in Unicode. These are the ones that are ambiguous to me: interpunct, middle dot (·) · · U+00B7 "midpoint (in typography)" ...
39
votes
4answers
63k views

“inputenc Error: Unicode char \u8” error while trying to write a degree symbol (invisible character)

No matter how I try to do it I always get the following error : ! Package inputenc Error: Unicode char \u8:­ not set up for use with LaTeX. I have tried using ­­­$^{\circ}$, \deg, \textdegree, ...
28
votes
1answer
1k views

xelatex problem: Missing chars in TeXLive 2013 / \textfont XXX is undefined errors in miktex

I'm trying to track down the source of a problem with the new xetex binary in miktex. I think it is related to the following problem in TeXLive 2013: \documentclass{article} \usepackage{unicode-math} ...
25
votes
3answers
37k views

inputenc Error: Unicode char \u8: not set up for use with LaTeX

This is with ref to my previous question Package clash in multilingual report. \documentclass[11pt,table,a4paper]{article} \usepackage{lmodern} \usepackage[utf8]{inputenc} \usepackage[T1]{fontenc} ...
22
votes
4answers
7k views

Having problems with listings and UTF-8. Can it be fixed?

I'm having some problems with listings and UTF-8 in my document. Maybe someone can help me? Some characters work, like é and ó, but á and others appear at the beginning of words... ...
21
votes
1answer
375 views

Unicode in the equations: pros and cons

Is there any pros and cons for using of Unicode (and vice versa) in LaTeX equations? Consider two examples: \lim_{h→0}∫_{x_0}^{x_0 + h}\frac{f(t)}{h} = f(x_0) x_0 ⇔ ∀ 𝜀 > 0, ∃ 𝛿 > ...
20
votes
3answers
833 views

Unicode character look-up

Now that I have switched to primarily using XeTeX, I find I do not use Detexify or the The Comprehensive LaTeX Symbol List to find symbols very much. However, I often still need to locate symbols. ...
20
votes
3answers
903 views

Which Unicode fonts are available with grades/optical sizes comparable to Donald Knuth's awesome eight grades in Computer Modern Roman?

Which Unicode fonts are available with grades/optical sizes comparable to Donald Knuth's awesome eight grades in Computer Modern Roman? It would be great to get at least 3 options! This question is ...
18
votes
7answers
14k views

utf8 or latin1 encoding - german

\usepackage[utf8]{inputenc} or \usepackage[latin1]{inputenc} I write in german if that matters. pro and contra?
18
votes
3answers
2k views

LaTeX baffled by BOM---Unicode's byte order mark.

Unicode applies the convention of using a byte order mark as signature at the beginning of a text stream, identifying the encoding used within it. The following three bytes at the beginning of a file: ...
18
votes
3answers
2k views

Using unicode Roman numerals in XeTeX

As mentioned in How can I get Roman numerals in text?, there are several ways in which one can add Roman numerals to text in TeX. However, these solutions all seem to use three I's to make a roman ...
18
votes
6answers
893 views

Converting LaTeX into Unicode for email

My standard procedure for writing mathematical email has been to use pidgin-LaTeX for some time now, and many of those I communicate with do the same. However, someone I know has recently started a ...
16
votes
5answers
855 views

How can I access a specific glyph in LuaLaTeX/Fontspec?

The OTF version of Minion Pro contains several Dingbats glyphs I would like to access. Some of them are not unicode, so I can not just copy the specific unicode character I want to access into my text ...
16
votes
2answers
382 views

Why characters UTF-8 encoded are ISO-8859-1 encoded when written in an external file

For an UTF-8 encoded file as follows: \documentclass{article} \usepackage[utf8]{inputenc} \usepackage[T1]{fontenc} % \newwrite\outtmp \immediate\openout\outtmp=out.tmp % \begin{document} ...
16
votes
2answers
571 views

How does one publish/promote a new package?

I just took all the wonderful information supplied here, and wrote a small package that makes it possible to use Unicode characters for section, subsection, subsubsection, paragraph, subparagraph and ...
16
votes
5answers
15k views

Unicode degree symbol ° in math formulas: \textdegree invalid in math mode

I'd like to be able to simply input a degree symbol as ° in my source code. German keyboards have a key for this, and it makes the source so much more readable. I'm using pdflatex from TeXLive 2012, ...
16
votes
2answers
161 views

biber eating \langle and \rangle commands

I have some entries in my reference list that contain \langle and \rangle signs in their title like the one in the following MWE: \begin{filecontents}{\jobname.bib} @BOOK{test, author = {A. Uthor}, ...
15
votes
5answers
2k views

How to print a warning sign (triangle with exclamation point)?

I am interested in including a triangle with an exclamation point (unicode #9888: ⚠) in a tex document. I've looked in the usual places (detexify, etc.) and not found this symbol. The document should ...
15
votes
4answers
9k views

Error: Unicode char \u8:φ not set up for use with LaTeX

I have the following LaTeX document: \documentclass{article} \usepackage[utf8]{inputenc} \begin{document} φΔδ汉 \end{document} But I get the following error: $ latex foo This is pdfTeX, Version ...
15
votes
2answers
1k views

Hide your e-mail address from spam crawlers

According to Security SE it is highly recommendable to cover your email address in publicly available documents. I'm aware of the discussion about handling email addresses as images: Crawler ...
15
votes
4answers
536 views

Non-ASCII characters in Biblatex

I am using biblatex with backend=biber and the following .bib file: @article{concellon_synthesis_2006, title = {Synthesis of Enantiopure ({αS,βS)-} or ({αR,βS)-β-Amino} Alcohols by Complete ...
15
votes
2answers
262 views

“Namethatchar” macro

I am searching for a macro/package that would give the name of characters. Here are a few examples of a possible behaviour: \namethatchar{A} → A \namethatchar{À} → Agrave \namethatchar{a} → a ...
15
votes
1answer
683 views

listings package changes hyphens to minus signs

The listings package transforms source-code hyphens (-, U+002D) into minus signs (−, U+2212) when using the default proportional fonts, though not when using the default monospaced typewriter font. A ...
14
votes
5answers
884 views

Using “◌” in Latex - “Unicode char \u8:Γùî not set up for use with LaTeX”

How can I use the character ◌ (25CC): http://www.fileformat.info/info/unicode/char/25cc/index.htm ? I am using MikTex (pdflatex) under Window; I am importing the following packages: ...
14
votes
2answers
728 views

How to insert Greek letters directly in math environment?

Why are non-Latin characters not displayed in formulas, even when using XeLaTeX? \documentclass{article} \usepackage{xltxtra} \begin{document} $\omega$ %displyed $ω$ %not displyed ...
14
votes
3answers
170 views

How to find characters that LaTeX doesn't like?

I use exported .bib entries with biber, biblatex and \usepackage[utf8]{inputenc}, in my literature reports for my group. This means most standard annoying characters (à, etc) are handled ...
14
votes
1answer
520 views

Command names with utf-8/special characters

Is it possible to define \newcommand{\√}[1]{\sqrt{#1}} as commands like this one would sometimes be easier to use.
14
votes
2answers
822 views

How to fix missing or incorrect mappings from glyphtounicode.tex

glyphtounicode.tex has been described as the best solution for generating copy-and-pasteable symbols. However, I find that various symbols that I need to use do not paste as the appropriate Unicode ...
14
votes
3answers
7k views

'Not element of' in Latin Modern

In the following example, the ∉ symbol does not look good. \documentclass{article} \usepackage{unicode-math} \setmainfont{Latin Modern Roman} \setmathfont{Latin Modern Math} \begin{document} This ...
14
votes
2answers
1k views

Option unicode=true with hyperref

Is there a drawback when using the option unicode=true with the package hyperref and the engines PDFTeX, XeTeX and LuaTeX? In other words, can a portable document always have ...
14
votes
1answer
228 views

Prevent LuaLaTeX from splitting umlauts

Here's a minimal example: \documentclass{minimal} \usepackage{fontspec}\setmainfont{Cambria} \begin{document}aöz\end{document} Compiling this into a PDF using lualatex and extracting the text using ...
13
votes
3answers
2k views

How to use xindy with XeTeX/LuaTeX?

According to Xindy revisited: Multi-lingual index creation for the UTF-8 age (TUGboat), “if one has a raw index file that was produced by [XeTeX], one can use xindy; it will ‘just work’.” ...
13
votes
2answers
5k views

How can I tell LaTeX that an \input file is in a different encoding from inputenc?

I'm currently writing a .tex report with my wife. She's on a Windows machine and I'm running Linux over here; we've decided to encode our report in ISO-8859-1 (i.e., we use ...
13
votes
3answers
399 views

How does XeTeX typeset (math) symbols which are input as unicode?

I'm considering moving to Xe(La)TeX for the main reason that it allows me to use unicode in my LaTeX code, making said code easier to read, especially the math. But I'm confused on how XeTeX typesets ...
13
votes
1answer
460 views

How to work with two encodings?

I'll try to explain my problem here. I know that there are many posts dealing with this but I'm still confused. We have many files from different machines with different systems. The important is: ...
13
votes
2answers
2k views

Mapping from Unicode character to LaTeX-Symbol for BibTeX?

I'm writing a little BibTeX exporter for the publication database of my institute. We do have a lot of authors with all kind of weird characters in their names, which get the "WTF is ...
12
votes
4answers
2k views

Using package minted with non-english characters

I would like to use LaTeX package minted to colorize my c and Cuda code. I need to write comments in the code in czech. I use package inputenc with utf-8 and czech characters (ěščřžýáíé) work good in ...
12
votes
1answer
1k views

Entering unicode math symbols into LaTeX, direct from keyboard, on a Mac

I would like my LaTeX files to contain Unicode characters. For instance, I want to see ∃x.x ⟶ β in my text editor, rather than \exists x\ldotp x\longrightarrow\beta Also, I would like to ...
12
votes
3answers
759 views

Redefine apostrophes to prevent bad kerning

The apostrophe in Adobe’s Minion Pro font has a kerning that is much too tight for typesetting French, where sequences of letters like l’a or d’e or j'a are common. One solution I found is to wrap ...
12
votes
5answers
1k views

Editors supporting unicode

For some reason it seems that my favourite editor TeXnicCenter doesn't support unicode (correct me please if I'm wrong, which wouldn't be the first time). Can anyone recommend an editor which does, ...
12
votes
3answers
2k views

How to get accented unicode characters that can be copy-pasted?

The aim is to generate the .pdf with accented characters (the .tex file has mixed macro and unicode input), in a way that the .pdf text can be copy-pasted. An example: \documentclass{article} ...
12
votes
1answer
187 views

dealing with thin spaces in XeLaTeX and LuaLaTeX

In the following small example I get unexpected but different results in XeLaTeX and LuaLaTeX: \documentclass{article} \usepackage{fontspec} \setlength\parindent{0pt} \newcommand*\x{\rule{1cm}{1cm}} ...
12
votes
1answer
698 views

From LaTeX with pdflatex to plain TeX

I've always wanted to try plain TeX instead of LaTeX. I can use plain but I'm not able to use correctly the fonts and I'm not able to use the french hyphenation. I would to know how to do this with ...
12
votes
1answer
279 views

Remapping LaTeX symbol to another unicode value

When compiling the following piece of LaTeX code, the ∖ symbol does not show up. \documentclass{article} \usepackage{unicode-math} \setmainfont{Latin Modern Roman} \setmathfont{Latin Modern Math} ...
12
votes
1answer
334 views

Hyphens at end of line disappear upon pasting, even if they were present in the input

When I paste text from pdflatex output, there are two things about hyphens that I would like to change: Hyphens paste as "hyphen-minus" (U+002D, "-"), but I would prefer the newer Unicode character ...
11
votes
2answers
2k views

How can I get utf8 character

I want to make cross references for sections to be symbols but after using the description given I got error report saying keyboard character used is undefined in inputencoding 'utf8'. What might be ...
11
votes
3answers
1k views

How do I print a beta in TeX Gyre Termes text mode?

I have to write a document in Times. Therefore I started writing it in TeX Gyre Termes, based on the note on Time's font page. However, I use PDFLaTeX, so I can't directly type Greek characters. So if ...
11
votes
4answers
790 views

Replacing Unicode non-breakable spaces by normal spaces

I am using the Neo keyboard layout, which uses all kinds of modifier keys to input all kinds of characters (e.g. Greek letters and mathematical symbols). It also has shift+Mod3+space mapped to Unicode ...