{expl3} is the programming "language" written for the LaTeX3 project. It is a library of common functions for storing and manipulating data and performing higher-level logical tasks than commonly provided for in TeX and LaTeX.

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What are best practices when augmenting and building on the keys provided by someone else's package

The situation is one where I'm developing my own commands and environments which build on the commands and environments provided by another package: for ease of talking let's call this other package ...
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431 views

Trying to make an automatic histogram (in pgfplots?)

How can I convert the automatic table generated by the macro, to an automatic histogram? Is the best way do it using pgfplots? \documentclass{article} \RequirePackage{ifthen} ...
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Difficulty saving formatting to a sequence to be called later in my code

I had an idea about how to answer this question and started putting some things together. I wanted to put something together that was fairly powerful and could handle simplification of linear ...
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34 views

Looking for (some) l3box equivalents of graphics' \resizebox variants

AFAIK, the box resizing functions of the l3box module are implemented using the LaTeX2e graphicspackage. However, some of the \resizebox variants don't have an expl3 counterpart. The available ones ...
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102 views

Sorting a list of tokens (not necessarily numerals) in expl3/LaTeX3

I'd like to sort a list of words according to their lexicographical order using expl3 code. My words are in a seq variable that I access in a stack-like manner (this is not relevant, though). I've ...
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Is there a `sty2dtx` for LaTeX3 syntax?

sty2dtx is a CLI tool to convert a commented style file into a Documented TeX file (dtx). It was written and works wonderfully for LaTeX2e packages, but expl3 offers a lot of happy times for package ...
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87 views

How can I manipulate data in a PGFPlots Table using l3int?

I need to provide statistical functionality to some of my TeX-trainees and I'd like to leverage the intuitiveness of l3int and the expressiveness of pgfplots and its table helper package. So, as a ...
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ubuntu installing l3kernel and l3packages

I apologize for this very basic question. I've downloaded the current versions of l3kernel.zip and l3packages.zip, but have no idea how to install them. As far as I can tell, there is no ...
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Is there / should there be a naming convention for expl3 extensions?

In other programming languages, there is a (sometimes pretty loose) standard on how to name modules / packages / etc. Does expl3 have such a convention in place or, if not, what should it be? Say you ...