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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11
votes
1answer
891 views

Fake bold in LuaLaTeX

I am sometimes using a font that has no boldface, so I am wondering whether or not there is a way to use some fakebold-feature in LuaLaTeX. The fontspec documentation explains a feature for XeLaTeX, ...
11
votes
1answer
469 views

text figures (old style numbers) and mhchem

How do I achieve lining figures with mhchem while maintaining text figures in the text (lualatex). My MWE is: \documentclass{minimal} \RequirePackage[paperwidth=70mm, paperheight=20mm, left=10pt, ...
11
votes
2answers
537 views

How can I fix a problem where italics prevent line breaking when using microtype? [duplicate]

I wish to use protrusion and expansion from microtype as I like the look you get with them. I use amsthm and typeset theorems in italic as usual (with \theoremstyle{plain}). With microtype enabled, ...
11
votes
1answer
598 views

Reduce compilation time for opentype fonts (otf)

I have some opentype fonts (otf) which I use with fontspec. Everything works fine. During the compilation LuaLaTeX load the otf-files in a temporary file. For example: (load: ...
11
votes
2answers
487 views

How can I replace a character (zero)?

Is it possible to replace characters in pdflatex? I use the Minion Pro and Myriad Pro font and the zero looks like a small 'O'. I want to replace the zero by a zero with a dot or slash in the middle ...
11
votes
1answer
3k views

Migrating from pdfTeX to LuaTeX: Problems with reproducing output for legacy projects

I'm currently analyzing and evaluating a migration process from pdfTeX to LuaTeX for our current TeX workflow. With LuaTeX being a fork of pdfTeX and packages like luainputenc at hand it seemed ...
11
votes
1answer
766 views

MiKTeX’s LuaLaTeX and minitoc: “I can't write on file …mtc”

When compiling the code below with LuaLaTeX I get the error: "I can't write on file 'test.mtc'". Any ideas on how to resolve this? (Btw, the file test.mtc is there and contains the word "Contents") ...
11
votes
3answers
2k views

Replacing greek glyphs in math mode

I want to switch fonts, away from computer modern. I'm pretty sure that I will end up with a mixture of fonts. I can't provide a full list of required features, but Linux Libertine's feature set ...
11
votes
1answer
717 views

How to generate compounded diacritical fonts for Sanskrit with XeTeX and LuaTeX?

I'm trying to use diacritical marks for Sanskrit with a font that does not natively support all the marks (Minion Pro). So they are compounded somehow by XeTeX. This works almost fine in using: ...
11
votes
2answers
703 views

How can I achieve dictionary headers for two page spreads in LaTeX

I would like to produce a document where I can display the first and last items of each two page spread in the headers of both the left and right pages. I know I can use \markboth{}{} to collect the ...
11
votes
1answer
382 views

How to make lualatex select the correct OpenType features in math mode?

After fiddling around with egreg's answer to my previous question, I finally discovered that lualatex is not selecting the tnum OpenType features, that is it uses the default numerals instead of the ...
11
votes
1answer
260 views

Contextual Substitution with LuaLateX

Contextual substition doesn't seem to work with LuaLateX, while it works fine with XeLateX. Am I doing something wrong or is this a bug? \documentclass{article} \usepackage{fontspec} ...
11
votes
1answer
155 views

Accessing to .log messages from LuaTeX. Is it possible?

Reading the question How to visualize the underfull box in final ouput PDF files I thought that it could be possible to use LuaTeX to intercept the "Underfull vbox" message and draw some kind of ...
10
votes
2answers
388 views

Lua calculation fails with a negative number

The macro runs except when the real b is negative. Why ? \documentclass[a4paper,12pt]{article} \usepackage[upright]{fourier} \usepackage[no-math]{fontspec} \usepackage{luacode,luatextra,luaotfload} ...
10
votes
2answers
324 views

How to put signature number in footer (derived from page number)?

To make my book easier to bind I'd like to automatically put the signature number with small type in the footer of the first page of each octavo signature (except the first one which is given since it ...
10
votes
2answers
146 views

^^M garbles my terminal output

Contrarily to pdfTeX and XeTeX, which send ^^M to the terminal for the character 13, LuaTeX sends the character 13 itself. This garbles the output of my terminal (bash under Ubuntu 10.04). ...
10
votes
2answers
139 views

The strange \luaescapestring in LuaTeX

\directlua{% local s = [[\luaescapestring{\TeX}]] print(s)} After \luaescapestring{\TeX}, I think I should get T\\kern -.1667em\\lower .5ex\\hbox {E}\\kern -.125emX then this line will be ...
10
votes
2answers
702 views

LuaLaTeX:PGFplots can't read data passed by Lua

I wanted to give a LuaLaTeX answer to this question Here it is the listing I wrote: % !TEX encoding = UTF-8 % !TEX program = LuaLaTeX % !TEX spellcheck = en_GB \documentclass{standalone} ...
10
votes
2answers
618 views

Concurrently interleaving execution of Lua and TeX in LuaTeX

The usual way to interleave Lua and TeX in generating documents is by invoking Lua from Tex through the \directlua facility and generate Tex from Lua using tex.print(). For example, consider the ...
10
votes
2answers
253 views

Polyglossia and hookrightarrow

Can someone explain why there is a gap between the tail and the head of \hookrightarrow when I load polyglossia with French support ? I'm using LuaLaTeX for producing the .pdf. ...
10
votes
3answers
739 views

Why does hyphsubst not work with LuaTeX?

Consider the following MWE: \RequirePackage[ngerman=ngerman-x-latest]{hyphsubst} \documentclass{scrartcl} \usepackage[english]{babel} \usepackage{blindtext} \begin{document} \Blindtext ...
10
votes
2answers
309 views

Accessing side-bearings in LuaTeX

This question has been solved, in XeTeX, by this code: \def\kright#1{\leavevmode #1\kern-\XeTeXglyphbounds3 \the\XeTeXcharglyph`#1 } \def\kleft#1{\leavevmode \kern-\XeTeXglyphbounds1 ...
10
votes
1answer
231 views

What does \luaescapestring do for us?

It seems that all TeX command are expanded into unexpandable tokens (say, TOKENS1) and these token are converted into some other tokens (say, TOKENS2). For example \directlua{ local var = ...
10
votes
2answers
326 views

\ifpdf returns true when using LuaLaTeX

The ifpdf package is supposed to detect if pdfTeX is running: This package looks for pdfTeX in pdf mode and implements and sets the switch \ifpdf. (from the ifpdf documentation) However, when I ...
10
votes
1answer
319 views

Convert color name to pdfliteral code

How can I convert a color name (such as used with the xcolor package) to a pdfliteral code, like q 1 0 0 rg (for red)?
10
votes
2answers
87 views

Workaround to make catchbetweenfiletags work with lualatex

I recently discovered that a basic example of the package catchbetweenfiletags doesn't work with lualatex (while it works with pdflatex). What follows is the MWE. Do you know if there is workaround ...
10
votes
1answer
477 views

When using more than 16 math alphabets, \mathtt uses italic font

I know that in TeX, you can only use 16 math alphabets but XeTeX extends this so I was curious to enlarge the number of my math alphabets and I had to redefine some internals of LaTeX. Here is my ...
10
votes
1answer
121 views

Use luatex to \let command to other

still looking for LuaTeX, I understand how I can execute Lua code insided TeX code (via \luadirect) but not how I could execute TeX code inside Lua code. I explain : I would like to make a series of ...
10
votes
1answer
399 views

LuaLaTeX for dummies: how to add LaTeX macros into \directlua?

How to make the following code to compile? \documentclass{article} \newcommand*{\mycommand}{\directlua{for i = 1, 10 do tex.sprint(i\hskip1cm) end}} %does not work ...
10
votes
1answer
288 views

How to use fakeslant as slanted but not italic font with fontspec?

Using fontspec with Luatex it is possible to create a fake slant and use that as italic should no italics be around: \setmainfont[ AutoFakeSlant=0.15 ] {FontName} However, also if an ...
10
votes
1answer
246 views

How to debug METAPOST inlined in ConTeXt? (Or “message” primitive and “loggingall;” in inlined METAPOST)

I have a METAPOST program that works fine with mpost, but fails when I try to run it inline in ConTeXt. In order to debug it, I would like to see the usual METAPOST logging and/or to use the METAPOST ...
10
votes
1answer
725 views

Bad position equation number Lualatex

If a math display is too wide, then the \eqno appears on the next line on the left instead of on the right as it should. Does anyone know how to solve this problem? This is an example: ...
10
votes
1answer
764 views

XeLaTeX, LuaLaTeX different default font features

The following MWE is producing different outputs on XeLaTeX and LuaLateX: \documentclass{scrartcl} \usepackage{fontspec} \setmainfont{FoglihtenNo04-070.otf} \begin{document} ffi ew \end{document} ...
10
votes
1answer
113 views

Can LuaTeX change the PAGE-breaking algorithm

One of the often highlighted features in LuaTeX is the ability to replace the default TeX line-breaking algorithm by something else. I wonder if it is similarly possible to replace the page-breaking ...
10
votes
2answers
254 views

Switching to lualatex: How to translate font setups?

I am a long-term pdflatex user. Once in a while I want to give lualatex a try (e.g., to try the recent TikZ graph layout engine). A couple of good answers here at tex.se describe what to do in that ...
10
votes
1answer
203 views

Cover whole page with squares arranged in a “spiral”

I'm trying to cover a whole landscape A4 paper with small squares – drawn in TikZ – starting from the bottom left corner of the page and moving towards to the center of the page in a ...
10
votes
1answer
298 views

Accessing user-selectable features in GentiumPlus in XeLaTeX/LuaLaTeX

Specifically, the combination of f plus î in the italic ends up with the upper curl of the f smashed into the peak of the circumflex (other fonts have the same problem, but the result is even uglier). ...
10
votes
3answers
597 views

uneven line spacing

This is something that is already annoying me for quite a while. (I use LuaLaTeX) The line spacing of the Arabic text is uneven (see pic and/or MWE below). In particular, I think, lines 2, 7, and 10. ...
10
votes
2answers
222 views

Can I create a node list from some text entirely within lua?

I'm playing around with luatex and learning about nodes and callbacks. What I'd like to do is be able to add some text via a particular callback. The type of callback that I'm interested in is one ...
10
votes
1answer
181 views

Antykwa Torunska font: How to get correct \hbar in LuaLaTeX

I'm using TeX Live 2014 with lualatex. Using the font Antykwa Torunska (anttor) for math, \hbar is not displayed correctly. The default LaTeX settings do not give good results at all scales: ...
10
votes
1answer
452 views

Implementing \DeclareUnicodeCharacter in LuaLaTeX an XeLaTeX

In my code, I used to write \DeclareUnicodeCharacter{27E6}{\begin{description}} % ⟦ \DeclareUnicodeCharacter{27E7}{\end{description}} % ⟧ \DeclareUnicodeCharacter{2022}{\item} % • which worked ...
10
votes
1answer
2k views

textls breaks smallcaps with luatex

I'm switching a code to LuaTex from XeTeX. In XeTeX, I had a combination of tracking and small caps using LetterSpace and WordSpace parameters in fontspec calls, but these are not supported in with ...
10
votes
1answer
237 views

Letterspacing via microtype vs fontspec (in LuaLaTeX)

I've just realised that I can get somewhat similar letterspacing effects using either the microtype or fontspec packages; for example: \documentclass{article} \usepackage{fontspec} ...
10
votes
1answer
111 views

Interactive lualatex compiling

I have a made document using LuaLaTeX with some constants I have to change each time regarding about the circumstances. Is there a way that LuaLaTeX open an interactive window to ask me the value for ...
10
votes
1answer
2k views

Integral limits with amsmath in LuaLaTeX

Also reading the thread about Making integral ∫ use \limits by default with unicode-math I'm not quite happy with the solution. With pdfLaTeX I use the code \documentclass{article} ...
10
votes
3answers
5k views

FontAwesome font not found?

I'm using the latest version of MacTeX 2013 on OS X 10.8.4. All of my Tex Live packages are fully up-to-date. Tex Live also lists the fontawesome package as installed. I'm trying to use the ...
10
votes
1answer
229 views

querying whether a font feature has been activated via a fontspec command

A LaTeX package I'm currently writing makes use of -- and definitely requires -- some of the power of LuaLaTeX. I would like to make my package's user interface -- in particular, the options that need ...
10
votes
2answers
729 views

Do XeTeX and LuaTeX always use Unicode?

I am writing some functions to manipulate strings. A typical way to produce a character with a given character code is the \lowercase primitive. The following code produces a character with code 234, ...
10
votes
1answer
200 views

Why does using small caps break endash ligatures in lualatex?

I've spent most of my day trying to migrate a project from pdftex tolualatex. The experience has been mostly positive but there are a few gotchas I can't make heads or tails of. Most recently I've ...
10
votes
1answer
1k views

text4ht and LuaTeX

There is a specific command to run tex4ht with XeTeX: htxelatex (which doesn't really work actually as far as I'm concerned). What is the command to run text4ht with LuaTeX instead?