LuaTeX is a Unicode-capable extension of TeX which integrates the scripting language Lua. Use this tag if your question is about LuaTeX or LuaLaTeX specific problems and is not related to standard (La)TeX. For ConTeXt related questions use {context-mkiv}.

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3k views

Considerations when migrating from XeTeX to LuaTeX?

What are the things to know when moving from XeTeX to LuaTeX, particularly when it comes to TTF/OTF support and OpenType features?
23
votes
3answers
353 views

How to access the last line of a paragraph with LuaTeX

Consider the following code, using traditional TeX programming that through a series of boxing and unboxing, grabs the last line of a paragraph and centers it. \documentclass{article} \usepackage{...
22
votes
2answers
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Why is LuaLaTeX so slow and is there anything I can do about it?

A while back I started bumping into issues with LuaLaTex and switched to compiling a project in XeLaTeX. Since then it seems most of my issues have been resolved upstream or are fixable one way on ...
22
votes
1answer
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Lualatex (luaotfload) broke after upgrading to Mavericks

Ever since I upgraded to OS X Mavericks—post hoc ergo propter hoc—I can no longer compile my dissertation using LuaLaTeX. When running lualatex I first got the following error: luaotfload | db: ...
22
votes
1answer
835 views

Editing LuaLaTeX files in emacs

(A follow-up question to Which is the best editor for LuaTeX?) Emacs offers the LaTeX-mode in AUCTeX for editing LaTeX files, while it has the Lua-mode for editing Lua-files. Consider the following ...
22
votes
2answers
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fontspec, lua, microtype: Renderer=Basic no longer working for specific font styles

You may have noticed that, as of now,* letterspacing small capitals is not as easy as it was in pdfTeX, where we could simply combine \textsc with microtype's \textls. Consider this example, which ...
21
votes
5answers
789 views

Highlight every occurrence of a list of words?

In order to revise a draft, and identify related sections, I would like to identify similar words (by color of text, highlight, underline, or otherwise) according to topic. For example, I would like ...
21
votes
3answers
746 views

Is it ImageMagick's fault or pdflatex's that some JPEGs aren't working?

pdflatex (as well as lualatex and xelatex) cannot process (some) JPEG images which were created by my ImageMagick. I'm on OSX Mavericks, using ImageMagick v6.9.0-0 Q16 x86_64 provided via MacPorts. ...
21
votes
3answers
5k views

How to enable ligatures for emdash/endash in LuaTeX ?

I cannot switch on ligatures for emdash (---) and endash (--) in LuaLaTeX. Here is my test file: % !Mode:: "TeX:UTF-8" \documentclass{article} \usepackage{fontspec} \defaultfontfeatures{Ligatures=...
21
votes
1answer
1k views

LuaLaTeX protrusion problem with Negative value

Please see the following screen shots. As you can see there are two "overfull" hbox there. However, LaTeX does not produced any overfull box warning at all. I tried to produce a minimal working ...
21
votes
1answer
153 views

How does one retrieve \rpcode values in LuaTeX?

The \rpcode values from pdfTeX are properties of font characters, e.g., \rpcode\font 50 = 200 sets the right protrusion value for character 50 in the current font to 200. Reading chapter 7 of the ...
21
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0answers
149 views

How to use luatex's node.hpack so that marks, inserts and vadjusts migrate out?

TeX's hpack routine packages an hlist into a box. While doing that it looks at a global pointer adjust_tail and if that is not "null" it migrates some nodes to a separate list starting at adjust_head....
20
votes
5answers
2k views

Combining \ifxetex and \ifluatex with the logical OR operation

I want to write in the preamble of a LaTeX document code that should be take into account by different compilers when the document is typeset. There are fragments that should be used: only by ...
20
votes
3answers
666 views

Reviewing hyphenations with LuaTeX

This question led to a new package: lua-check-hyphen I wrote a question (Accessing pointers in LuaTeX) hoping it would lead me to a way of reviewing the hyphenations with LuaTeX, and without ...
20
votes
3answers
2k views

In LuaLaTeX, how do I pass the content of an environment to Lua verbatim?

In LuaLaTeX, how would I go about capturing the content of an environment for (verbatim) processing by Lua? For example, consider something like \begin{foobar} Hello {World} \end{foobar} I'd like ...
20
votes
1answer
772 views

LuaLaTeX for dummies: basic directlua use

I'm trying to understand the basics of lua programming within LaTeX. I have this simple function in a file called luatest.lua: function fact (n) if n == 0 then return 1 else return n * ...
20
votes
1answer
302 views

LuaTeX: Wrong/missing italic correction in TeXLive 2015 vs 2014

Italic correction for OTF math fonts seems to be broken in LuaTeX in TL15. MWE: \documentclass{article} \usepackage{unicode-math} \setmathfont{Latin Modern Math} \begin{document} \begin{equation} ...
20
votes
1answer
203 views

How to delay a command execution until the next hmode?

I want to write an environment which adds a marginnote at the begin. The problem is that I can't control the content of the enviroment and so the placement of the marginnote varies a lot. How could I ...
19
votes
2answers
4k views

How do I change the font size in LuaLaTeX?

\documentclass{minimal} \usepackage[paperheight = 140mm,% comprimento paperwidth = 200mm,% altura margin = 10mm % tamanho da margem ]{geometry} \usepackage[...
19
votes
4answers
1k views

How to read a file with luatex

I tried to read a file with lua and set the content as normal text in my document, but I didn't worked it out. Here my code: \documentclass{scrartcl} \usepackage{luatextra} \usepackage{filecontents} ...
19
votes
5answers
2k 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 ...
19
votes
2answers
3k views

How do I get a list of all available fonts for luaotfload?

luaotfload uses an internal database that gets updated with mkluatexfontdb. So it knows about a lot of fonts installed on my computer. How can I query this database? Something like luatexfontdb --...
19
votes
4answers
1k views

How to suppress the operation of a luatex-defined macro on a string if the string is part of macro or a label

I'm working towards creating a lualatex-based package that lets users automatically suppress the use of ligatures (for now, ff, fi, fl, ffi, ffl, and ft) for selected words. (For background see this ...
19
votes
3answers
985 views

“Lua tree” (analogue of texmf tree)

I have a lua file that I would use in many of my TeX's documents, loading it with dofile(). I thought it was ok if I simply put it in the (local) texmf tree*, but this doesn't work. Instead I have ...
19
votes
2answers
1k views

LuaJIT and LuaTeX

Is it possible to change the Lua engine in LuaTeX to LuaJIT? Will it be as simple as replacing the Lua5.1 source code in the LuaTeX tarball with the LuaJIT source, or does it require (drastic) ...
19
votes
4answers
2k views

How do I get a list of all font features supported by current font

With LuaTeX, how do I get a list of OTF features supported by the current font in use printed? For example, with otfinfo, I can get a list of OTF features by otfinfo -f font_file_name. Can I do ...
19
votes
2answers
3k views

Lualatex: Font table with examples

I wanted to create a table of the fonts on my machine with short examples of each. So I got the function below and tried to modify to print the font in its typeface. (LuaLatex) \documentclass[10pt,...
19
votes
1answer
1k views

PDF file size with LuaLaTeX vs XeLaTeX

I have a set of one-page documents written in LaTex. The same file compiled in LuaLaTeX is about 23 times larger than when it is complied using XeLaTex (about 641 KB vs 28 kb). I tried with a couple ...
19
votes
3answers
34k 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 ...
19
votes
2answers
853 views

What is the right way to input prime with Unicode-math (LuaTeX backend)

I opened an issue about this in Unicode-math's github repository. However, I am not so sure it is actually a bug, or I just did something wrong. Here is a minimal example, \documentclass{article} \...
19
votes
1answer
705 views

Problem with kerning using LuaLaTeX

I am having a problem with kerning while using LuaLaTeX. In my example, the pair “AT” does not render well. This is clear by comparing LuaLaTeX output with XeLaTeX's, which from the same code renders ...
18
votes
3answers
1k views

Hiring someone to help me with LaTeX for my PhD thesis

I do not know whether this is an appropriate question, but I was carrying it around for quite some weeks and now it just has to come out. I am working on my PhD thesis. My thesis will include a long ...
18
votes
6answers
2k views

\tableofcontents encoding issue with lualatex

I have a issue when trying to generate table of contents with lualatex in russian. Following example fails to build with ! Undefined control sequence. \contentsname ->{\cyr \CYRS \cyro \cyrd \cyre \...
18
votes
4answers
760 views

lua(la)tex vs pdf(la)tex speed in texlive 2015

I know similar questions have been asked about lua*tex speed in years past. But now it's 2015, and according to wikipedia, lua*tex is the designated successor for pdf*tex. my hopes for lua*tex is ...
18
votes
2answers
8k views

Specify different fonts for bold and italic with fontspec

The main font I use for my LuaLaTeX document lacks bold and italic variants. I'd like to specify a different font for those variants using the fontspec package. Initially what I had in my preamble ...
18
votes
3answers
1k views

Conflict between microtype, LuaLaTeX, and otf fonts when typesetting material in small-caps

I'm using the microtype package (microtype beta 2.5 build 08) to modify my document and I'd like to retain its functionality across all font shapes with the exception of small-caps (\scshape). How do ...
18
votes
2answers
6k views

Difference between setting parindent and hangindent

Is there a difference between setting \parindent to 1em and to setting \parindent to 0em, \hangindent to 1em, and \hangafter to -1 that shows in practical use? The nodes created by TeX are ...
18
votes
1answer
1k views

Why do I need Lua or LaTeX3 in a plain old technical document?

I wrote and maintain a couple hundred page computer related technical spec in XeLaTeX. I use tables, figures, bitfields, algorithms and other typical trappings. I'm intrigued by LuaTeX and LaTeX3, ...
18
votes
2answers
440 views

Can the Lua part of LuaTeX know about tokens?

Using \directlua and tex.print, it is possible to send strings of characters back and forth between TeX and Lua. Let's take an example: starting with a macro \A, I pass its replacement text to Lua and ...
18
votes
2answers
2k views

fontawesome icons are getting too big using XeLaTeX

The following example must be compiled with XeLaTeX to reproduce the issue. % arara: xelatex \documentclass{article} \usepackage{fontawesome} \begin{document} Text Text \faMobilePhone\ Text Text \end{...
18
votes
1answer
1k views

TeX accents do not seem to work with fontspec and xe/lua/latex

I am using Minion Pro as mainfont and it does not have in its glyph table the character U+1E47 Latin small letter with dot below which I need only once in my document. Rather than change to another ...
18
votes
1answer
936 views

Letterspacing/font expansion in LuaLaTeX

I am a few months into learning LaTeX. I would like to use microtype with LuaLaTeX and I would like to obtain letter spacing for my smallcaps. I've tried to follow some of the threads on the subject ...
18
votes
0answers
19k views

The fontspec package requires either XeTeX or LuaTeX to function [closed]

I am not an expert in LaTeX, but I was writing a paper, everything was going fine, until it suddenly crashed giving me the error: The fontspec package requires either XeTeX or LuaTeX to function.
17
votes
4answers
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Bembo, Bembo Book or Garamond Premier Pro? And how to exploit all their features with LuaLaTex?

I am allowed to use one of these fonts (or the three of them if I want) to edit a document. Here is the list of the Bembo fonts I have : Bembo-Bold.otf Bembo-ExtraBoldOsF.otf Bembo-...
17
votes
5answers
658 views

Topics for a book about LuaTeX

I am writing a book about LuaTeX - what topics would you like to see in that book? More beginner's topics or more advanced sections? Both? I'd like to hear your opinion.
17
votes
2answers
608 views

Tex capacity exceeded compiling only 50 lines latex file (pdftex), seg. fault (lualatex)

This is one of the strangest things I've seen in Latex (and I have seen many strange things). 50 lines of code, almost all of it is verbatim. Any small change to the verbatim can cause the error to ...
17
votes
2answers
470 views

Is it possible to view the latex code after Lua expansion is made?

When using Lua code inside Latex file, where Lua code sends to Tex Latex code to insert into the document at the location the lua code is made, it will be useful to look at the content of Latex file (...
17
votes
3answers
1k views

Possible to use MnSymbol with LuaTex?

I want to use the Minion Pro font together with math symbols from MnSymbol (http://www.ctan.org/tex-archive/fonts/mnsymbol). Is this possible? It has already been discussed here -> http://www.latex-...
17
votes
3answers
9k views

How to properly install and use a new font with LuaLaTeX?

I have problems trying to get new fonts to work when compiling with LuaLaTeX. I'm working on Mac and use TexShop (with the MacTeX package). It goes like this: I downloaded for example the Cardo font;...
17
votes
2answers
769 views

Getting started with LuaTeX and ConTeXt

I've been using LaTeX now for roughly about 20 years. Only within the past 3 years or so have I tried understanding the internal workings of TeX. There are not a few posts here for which the OP is ...