A high-level package from the LaTeX3 project that provides a powerful mechanism for defining new commands with various types of arguments.

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3
votes
1answer
39 views

Overfull \vbox caused by multirow and multiline text

I have read this question, but i just can not explain why exactly overfull happens in my case, so i ask for help. First of all, two boxes in spanned cells (that ones with rotated text) produces 4 bad ...
3
votes
0answers
60 views

wrap around task environment not working

I am trying to create an environment wrapping a task environment (from the tasks package). To build the new environment I am using the xparse package. \documentclass{article} \usepackage{xparse} ...
3
votes
0answers
53 views

Experimenting with l3box and l3skip's dim variables

Note: The following MWE has no significance in use or further application of any kind rather than just for experimenting with the packages explicitly written on the question title. ...
2
votes
0answers
161 views

How can I migrate commands and environments from LaTeX2e to LaTeX3? [XeTeX]

Sometimes forcing consistency makes things much easier to maintain. The motto "keep it simple" comes to mind. xparse offers the most bang for your buck when it comes to defining commands with various ...
2
votes
0answers
50 views

Access xparse's \BooleanTrue via latex3 expl3

I'm implementing a command with xparse's boolean token processing \NewDocumentCommand{\op}{s o t' t. t^ g}{ % Here I need to check for % (#3 || #4 || #5) && !(#3 && #4 ...
2
votes
0answers
80 views

Determine whether the macro/function is in subscript, in superscript, or neither

I would like to provide different formatting for an xparse command, depending on whether the command is expanded in superscript, in subscript, or neither. That is, I would like to know inside the ...
1
vote
0answers
15 views

transform variable-content to verbatim-like representation inside a newcommand (used then as optional argument)

I spend 8 hours in solving this, made some progress but now face the enormous difficulties with verbatim stuff in latex. Any help would be great! My aim: the todonotes package offers an inline ...
1
vote
0answers
46 views

xparse verbatim argument removing multiple space

I am trying to define a command, using xparse that take as input some verbatim code and cite it using listing. However, the eventual multiple white spaces or tabulations at the beginning of a lines ...
1
vote
0answers
36 views

Looking for trouble: the κ letter, the combining ⃗, ucharclasses and xparse… (error with κ⃗ but not with k⃗)

Now I'm seriously puzzled. Here's the MWE (using xelatex). \documentclass{article} \usepackage{xparse} \NewDocumentCommand{\li}{v}{\texttt{#1}} \usepackage{fontspec} \usepackage{xunicode} ...