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}.

learn more… | top users | synonyms (1)

21
votes
2answers
1k views

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 ...
20
votes
1answer
172 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
976 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
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
1answer
626 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
5answers
1k 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 ...
18
votes
3answers
529 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 ...
18
votes
5answers
1k 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 ...
18
votes
4answers
858 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 ...
18
votes
3answers
1k 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 ...
18
votes
3answers
764 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 ...
18
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) ...
18
votes
3answers
4k 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} ...
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
397 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
1answer
830 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 ...
17
votes
4answers
866 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} ...
17
votes
5answers
618 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
2k 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 ...
17
votes
6answers
1k 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 ...
17
votes
2answers
911 views

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 ...
17
votes
3answers
858 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 ...
17
votes
1answer
413 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 * ...
17
votes
2answers
349 views

Randomly reduce the number of pages

My colleagues and I wrote a book that has m pages. Our editor wants n << m pages. For fun, I'd like to submit him two versions of our book. One version that randomly suppress (m - n) pages ...
17
votes
2answers
411 views

Issues with TeX sub-formula formatting

As generally acknowledged TeX offers superb formatting capabilities for math in an automated fashion. Nevertheless there are some areas with clear deficiencies that one either has to accept or ...
16
votes
4answers
2k views

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 ...
16
votes
3answers
1k views

Starting with TeX (not LaTeX)

I've been using LaTeX for 3 years and I'm decided to switch to (plain) TeX. For the moment I'm reading The TeXbook for the third time (I quietly start to read the double-danger signed paragraphs) and ...
16
votes
3answers
241 views

Why do user-defined whatsit nodes affect LuaTeX pagebreaking?

EDIT: A summary of the possible answers is given below. In my current LuaTeX project I am using user-defined whatsit nodes to transfer information between the different stages of a LuaTeX run. On ...
16
votes
4answers
1k 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 ...
16
votes
5answers
6k views

How do you configure Texmaker to use LuaTeX?

I'm extending my use from pdfLaTeX to LuaLaTeX. The transition is smooth especially as I collaborate with other users that shy out upgrading their systems. However, TexMaker does not seem to come ...
16
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 ...
16
votes
2answers
5k views

pgfplot: plotting a large dataset

I try to plot a dataset which is large using pgfplots. Since I'm aware of problems with large files, I used the external mode. I additionally increased main_memory from 3000000 to 6000000. It crashes ...
16
votes
1answer
320 views

Analog of \pdfelapsedtime for LuaTeX and XeTeX

In pdfTeX, the \pdfelapsedtime primitive gives access to the time since this pdfTeX run was started, in "scaled seconds" (1/65536 seconds). This is useful to benchmark code: repeat it many times, and ...
16
votes
1answer
141 views

What exactly is luatex's node.free deleting?

The LuaTeX manual doesn't give much information on the precise details other than saying that one needs to ensure that there aren't any dangling pointers still referencing the node (location). For ...
16
votes
1answer
1k views

Installing Lua Modules for use in LuaLaTeX

I've done all of the searching that I can, and I think I've read the right answer, but am too dumb to know that I read it. I can't seem to figure out the magic tricks to get Lua modules, installed by ...
15
votes
2answers
3k 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} ...
15
votes
3answers
483 views

Would you consider Luatex to be ready for a production environment

I'm setting up a number of document with dynamic texts. Basically LaTeX is view mechanism to dynamically present the results of ongoing statistical analysis on a database. So I have numerous \ifnums ...
15
votes
3answers
558 views

Lualatex : € as a utf8 character is not recognized : why?

I need to include some tex files as parts of a more global project. Some of this global projects have to be compiled with pdflatex, some others with lualatex, but the parts are the same. All this part ...
15
votes
3answers
5k views

How to set-up LuaTeX, Microtype, with Minion Pro, Myriad Pro

Since recently I am using LuaLaTeX with the most recent beta version of Microtype, along with the fonts Minion Pro and Myriad Pro. In the manual of Microtype it says: Currently, this package ...
15
votes
2answers
1k views

Create a LibreOffice spreadsheet from luatex

After reading this amazing answer, I'm wondering if it possible to do the same thing but the other way round, that is create a LibreOffice spreadsheet from luatex, exporting data from the tex file to ...
15
votes
3answers
640 views

Will LaTeX3 have proper support for hooks? Does LuaTeX?

Tex has powerful support for extensions triggered by events happen in generating output, by running one of six token lists appropriately: \everycr \everydisplay \everyhbox \everymath \everypar ...
15
votes
3answers
796 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 -> ...
15
votes
3answers
223 views

Safely overriding default paragraph breaking to something unusual

I am, as an experiment, trying to simulate a certain typgraphic style which uses only the pilcrow sign to separate paragraphs -- no line breaking. What I'm after should look like this: This example ...
15
votes
2answers
4k 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 ...
15
votes
3answers
658 views

Check if LuaTeX is running

I want to check if my tex document is compiled with LuaTeX (or any other Lua TeX compiler). The simple approach from the TeXbook is to check the \directlua macro against \@empty, like ...
15
votes
1answer
278 views

\show for Lua commands

TeX (and all newer engines) has the primitive \show which helps me probe macros, and most of the time is enough to understand/remember the implementation (rather than having to go back to the source ...
15
votes
2answers
680 views

Footnote numbers in index (e.g., 23n3)

I'm currently weighing indexing options for a book-length project. One of the more surprising hurdles is that there doesn't seem to be a way to create an index (in my case, several indices) that ...
15
votes
2answers
8k views

LaTexing vs LaTexTools (Sublime text plugins)

I want to use sublime as my default IDE for TeX (currently I'm using Latex Studio). I've found two great packages: LaTexTools LaTexing Both has somehow the same list of features but LaTeXing ...
15
votes
2answers
614 views

Selecting optical sizes for all fonts in a family

XeTeX and LuaTeX are able to assign optical sizes to fonts when they are provided. In those situations where XeTeX or LuaTex are unable to correctly assign optical sizes I am able to specify them but ...