Questions tagged [l3keys]
The l3keys tag has no usage guidance.
54
questions
1
vote
0answers
64 views
Class options don't work if class and document files are in different directories
I have the following directory tree:
.
├── foo
│ └── foo.tex
└── testcls
└── testcls.cls
where foo.tex is
\makeatletter
\def\input@path{{../testcls/}}
\makeatother
\documentclass[hyperref=true]...
1
vote
0answers
18 views
use of .bool_set_inverse:N doesn't seem to match its definition [closed]
Here is an mwe
\documentclass{article}
\ExplSyntaxOn
\cs_new:Nn \en_direct: { beginning }
\keys_define:nn { test }
{
direct .bool_set:N = \test_direct_bool,
indirect .bool_set_inverse:N = \...
1
vote
1answer
46 views
Weird behaviour with expl3's keys
Consider the following MWE:
\documentclass{article}
\usepackage{amsthm}
\usepackage{xparse}
\newtheorem{theorem}{Theorem}
\newtheorem{definition}{Definition}
\ExplSyntaxOn
\tl_new:N \...
0
votes
1answer
45 views
How to reset key values in LaTeX3
In the MWE below, how can I reset the value of the title key, assigned to \l__lecture_title_tl, so that the third instance of \lecture doesn't print A title?
\documentclass{article}
\usepackage{...
0
votes
1answer
34 views
parse known keys, store unknown key=val pairs for later use
I'm new to expl3 syntax and can't get it to work properly. I'd like to get the values of known keys into variables but leave unknown pairs untouched for later use e.g. to be used in a document command ...
0
votes
1answer
35 views
Store the value of `\c@page` with l3props
I am trying to store the first page that an environment starts in in an l3props store.
I have tried
\let\current_page_int\c@page
\cs_generate_variant:Nn \prop_gput:Nnn {Nne}
\prop_new:N \...
1
vote
2answers
59 views
xparse: \NewDocumentCommand using a set of predefined keys
I would like to understand what makes the following not work, and how to fix it in order to get the desired output as given under each call of the command \myQFormat.
\documentclass[addpoints]{exam}
...
2
votes
1answer
45 views
Custom arguments in an environment xparse
Is it possible to create an environment with required arguments that would represent some changes in the environment using only xparse package without environ?
To be more specific I'd like to make an ...
0
votes
1answer
30 views
Generating an error message for unknown keys
The code below outputs:
ERROR: Package Foo Error: Unknown key, \l_keys_key_tl
Why does \l_keys_key_tl expand at Hook 1, not Hook 2?
\documentclass{report}
\usepackage{xparse}
\ExplSyntaxOn
\...
0
votes
0answers
29 views
How to assign the same error message—such as key setting preamble only—to multiple keys?
We know how to restrict the setting of a single key to be 'preamble only' from a previous post. That's version 0.1 in the code below. To avoid code duplication for each key necessitating this ...
2
votes
2answers
57 views
Handle (default) key-values for nested commands
If one defines a command with a key-value argument, say \ket[<key=value>]{<stuff>}, one gets the wrong output when nesting it (in my opinion). E.g. \ket[delim = |)]{ \ket{\psi} } changes ...
2
votes
1answer
122 views
keyval_parse for dummies
This example compiles forever. I must be misusing keyval_parse
\documentclass{report}
\usepackage{xparse}
% Relevant doc:
% http://www.texdoc.net/texmf-dist/doc/latex/l3kernel/interface3.pdf#part.21
...
1
vote
0answers
59 views
What is the correct way to place keys and messages without repeating too much code (expl3)
I am trying to put error messages for invalid keys in a package, some keys are available for the package, others can be accessed with the command \mypkgset and others are only available as options of ...
1
vote
1answer
136 views
How to set a key in “module” and pass the rest of the keys to “module/subgroup” in l3keys?
I'm trying to create a key to pass the rest of the keys to /subgroup based on a boolean condition. That is to say that something like this works:
[key in <module>, rest of keys pass to <...
0
votes
1answer
182 views
Problem passing a key=color (separated by commas) from l3keys to tikz
After a good time searching the forum I gave up (I thought I could do it by myself), I have a problem passing a key from l3keys (separated by commas) to tikz.
I've created a command that accepts ...
0
votes
0answers
96 views
key={v,a,l} argument separated by commas in xparse [duplicate]
I'm trying to create a command to show the distributive property of multiplication (for school effects) using tikzmarks and xparse. So far so good, the code is a bit long and I would like to know if I ...
2
votes
1answer
51 views
Problem with font commands as `l3keys2e` values
I'm setting some fonts and font-related commands using l3keys, and that works just fine—but it seems there's an issue when setting the same keys via l3keys2e. Is this expected behavior? Is there a way ...
4
votes
2answers
87 views
Strange behaviour in l3keys
Consider the following code which uses \keys_set_known:nnN:
\documentclass{article}
\usepackage{expl3}
\ExplSyntaxOn
\keys_define:nn {empty_module} {}
\keys_define:nn {module1}
{key1 .code:n = {\...
0
votes
2answers
256 views
l3keys2e's option with accent: \UseTextAccent… \@curr@enc error
The following expl3 class, that provides an option (mykeyword) thanks to l3keys2e, works like a charm:
\begin{filecontents*}{myclass.cls}
\RequirePackage{l3keys2e}
\RequirePackage{expl3}
\...
0
votes
0answers
117 views
l3keys2e: best practices to pass options from class to package
I moved part of the code in a class to a new package. This package can handle a couple of options defined using l3keys and processed with l3keys2e (one option being multichoice). My problem is that I ...
7
votes
2answers
159 views
Code hook after variable setting actions in l3keys
I am trying out l3keys for the first time and I am encountering the following issue. I have some boolean keys (true/false). For them it looks nice to use .bool_set:N so that I can get automatic ...
3
votes
1answer
127 views
Extend book class with options of multiple values
I am writing a class based on book.cls, to which I want to have an option that is a list, so I can do
\documentclass[languages={french, english}]{testops}
I have define the key using l3key2e. But it ...
5
votes
2answers
199 views
Store unknown key in l3keys
Is there a good way to store the key of an unknown key-val in expl3? I can get \l_keys_key_tl, but it gets overwritten before it's expanded. I suppose I need to expand it when I store it, but I'm ...
2
votes
0answers
131 views
Pass a list of package-options to a self-written documentclass using l3keys2e
I am writing a documentclass which loads several packages as default. I want to give the user the possibility to pass options to these packages using an documentclass option. Because most packages ...
7
votes
2answers
120 views
How can I recover option values with the current l3keys2e?
Minimal-Compiling-But-Not-Working Example:
\begin{filecontents}{\jobname.cls}
\ProvidesClass{\jobname}
\RequirePackage{l3keys2e}
\ExplSyntaxOn
\keys_define:nn { job / doc }
{
doc~name .tl_set:N =...
3
votes
1answer
140 views
How to use choice keys in l3?
I want to create some shortcuts for constants and I want to use these shortcuts for
calculations (without units) for example with \fpeval
with one or two different units
I tried the following code, ...
0
votes
0answers
100 views
LaTeX3 choice keys that set other choice keys
I'm trying to set up choice keys that can implicitly set other choice keys. In both the "parent" and "dependent" keys, the set of choices have the same values.
The code below does more-or-less what I ...
4
votes
1answer
184 views
Setting default values for LaTeX3 keys
I've written the following code for setting values of a key as part of a package I'm working on, and for some odd reason the default doesn't seem to work. When the package this is part of is specified ...
3
votes
1answer
104 views
Use value of token list at time of \keys_set:nn
I'm trying to set up a macro \MyCommand{#1}{#2} which takes two inputs, one being a key-val list and then creates a token list which is named based on the input and the key name, having the value ...
4
votes
2answers
1k views
Key property is unknown
i just updated my Linux distro (Linux Mint 17.3 -> Linux Mint 18) and from TeX Live 2014 to 2016. I have a (large) selfmade documentclass writte in LaTeX3.
Now I tried to compile a document using my ...
2
votes
0answers
387 views
Reason not to use a specific key val package [closed]
According to the very nice list of packages concerning this topic (A big list of every keyval package)
I am confused which package I should use now to be prepared for the future.
Any ideas which ...
5
votes
1answer
236 views
How can I use a tl variable in TikZ options
Im setting up a command with some options via l3keys. One of the options is tikz-options and it should take a list of TikZ options and pass them to a {tikzpicture}.
\documentclass{article}
\...
10
votes
1answer
170 views
Does expl3 key-setting syntax have an equivalent of TikZ/PGF's .cd?
This question has the following form: 'I know how to do X using Y. I can also do X using Z but not so elegantly as using Y. Can I do X using Z in the same way that I can do X using Y, for a more ...
2
votes
1answer
126 views
How to properly parse […]{…} with expl3?
What would be the more efficient way of parsing [...]{...} with expl3, that is to get the content inside the brackets in one variable and the content inside the braces in another one?
This question ...
4
votes
0answers
70 views
Is it possible to label (tag) a value of a (l3keys) key-value in order to reuse it elsewhere easily?
I have a command (\people[⟨options⟩]{⟨name⟩}) for entering people. Its optional argument lets the user specify possible people's (possibly multiple) attribute(s) with a (l3keys) key–value system: ...
11
votes
2answers
483 views
Misunderstanding from l3keys documentation
Based on the interface3 documentation and a nice article in TUGboat, Volume 31 (2010), No. 1 called Programming key–value in expl3 by Joseph Wright (available here), I have been trying to put together ...
5
votes
1answer
77 views
creating an alias for existing key
In there an easy way to define an alias for an existing key which does exactly the same, but without the need to duplicate the code of the existing key? That is, something like:
\keys_define:nn { ...
1
vote
1answer
99 views
How to \clist_set in \msg_new?
Is it possible to process a comma separated list within a LaTeX3 error message?
For example I want to define a message for unknown values to a .choice key like in the following example. I use \test ...
4
votes
0answers
187 views
problem with \ProcessKeysOptions / l3keys2e in texlive 2015 [closed]
In my example the keys seems not to be processed ...
here is file test.cls :
\NeedsTeXFormat{LaTeX2e}[2001/06/01]
\RequirePackage{l3keys2e}
\ProvidesExplClass
{test}
{2013/12/23}
{1.0}
{Ceci est ma ...
8
votes
1answer
142 views
expl3: \keys_set_groups:nnn and unknown keys
I'm using \keys_set_groups:nnn to process only subsets of key lists. The problem is that unknown keys doesn't raise an error in this case and so typos can be overlooked easily.
I can get around it ...
13
votes
2answers
373 views
What is the preferred way of expanding twice in expl3?
expl3 includes the o, f, and x argument specifiers for one-level and the two kinds of full expansion, respectively, before passing the argument to the base function. What is the preferred way of ...
4
votes
1answer
161 views
l3keys: how to store the value of a choice key more effectively?
I want to define with l3keys a choice key which also stores the value given to the key. That's easy enough:
\documentclass{article}
\usepackage{expl3}
\ExplSyntaxOn
\tl_new:N \curmykey
\keys_define:...
4
votes
1answer
275 views
Accessing sub/keys with l3keys
I'm not sure if I'm taking it too far, but I think I've seen something like this around. This gives an error:
\documentclass{scrartcl}
\usepackage{xparse}
\ExplSyntaxOn
\NewDocumentCommand \RULE {}
...
8
votes
2answers
324 views
How can I define a greedy macro?
I have a feeling this is a duplicate somewhere, but how can I ensure that TeX will keep scanning until \relax or something similar?
\documentclass{article}
\usepackage{xparse}
\pagestyle{empty}
\...
6
votes
1answer
392 views
Use choice key with choices setting booleans
When defining choice keys with l3keys2e there are two possible ways and I use the one with sub-keys in a new package. When defining watch each value should do interface3.pdf says that I can use .code ...
9
votes
1answer
314 views
Clash between fontspec and l3keys2e with multichoice keys
Consider the minimal example:
\begin{filecontents}{test.cls}
\NeedsTeXFormat{LaTeX2e}[1994/06/01]
\RequirePackage{expl3,l3keys2e}
\ProvidesExplClass
{test}
{2013/12/23}
{1.0}
{A test class}
\...
11
votes
1answer
417 views
Processing document class options with l3keys
How can I parse (that is, access) the entire option list given to the current document class with l3keys?
This would obviously need some sort of
\keys_define:nn { document-class-?? }
{
default ....
10
votes
1answer
204 views
How to dynamically give key names with expl3?
I have a property list which associate names with values
name 1 -> value 1
name 2 -> value 2
...
I want to use names from the property list to dynamically create keys. The following code
\...
6
votes
1answer
138 views
Scanning l3key with document catcodes?
Similar to the way TikZ attempts to use unknown keys as values for the color key, I would like to interpret an unknown key as the value for one of my own keys, decoration (not to be confused with the ...
5
votes
1answer
205 views
LaTeX3: l3keys Multiple-Choices Keys and Startup Value for Predefined Choice Integer Variable
In the interface3 documentation it can be read (what follows is not a literal quotation) that the variable \l_keys_choice_int is available to be used as an index register for a multiple-choices key ...
