Tagged Questions
14
votes
2answers
281 views
LaTeX3: How to get reliable control over the level of expansion?
Say you want to write LaTeX3 code that manages user data. Sometimes you want to process that data, but other times you just want to store it, move it around and return it unchanged (when developing a ...
3
votes
1answer
55 views
List Version of \str_if_eq
I am using \str_if_eq:xxTF{\A}{\Target}{<true>}{<false} to execute the <true> or <false> code if \A=\Target.
What is the list version equivalent of this?
So I am looking for ...
4
votes
2answers
60 views
expl3: \cs_generate_variant broke with the last update: undefined control sequence \::T [closed]
The last expl3 update broke my "continue" detection for the index. Here is a MWE:
(EDIT: I realized it is possible to reduce it even further)
\documentclass{minimal}
\usepackage{expl3,xparse}
...
8
votes
1answer
100 views
'Fake' variants in expl3
Suppose you have a function that operates on three tokens,
\cs_new:Nn \@@_on_three:NNN { #1, #2, #3 }
And you have a variable whose value is the three tokens:
\tl_set:Nn \l@@_three_tl { foo }
...
7
votes
2answers
208 views
Why does this protection not work?
The answers to this question explain in detail what protection is so I'm not wondering about that. My question is why a certain command definition with expl3 does not give a protected command.
...
10
votes
2answers
200 views
How do I pass an expanded optional argument using expl3/xparse?
I have a command defined using xparse syntax:
\DeclareDocumentCommand \foo { O{} m } {}
Inside some other command (say, \bar), I want to call this command. The calling command (\bar) has to ...
3
votes
1answer
225 views
LaTeX3: expansion of argument to function
I would like to define functions which extract the PDF object number from a PDF object reference, such as 12 from 12 0 R.
I defined two versions of such a function, a low level one and a high level ...
