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Results tagged with macros
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user 17200
{macros} is for questions specifically concerning TeX's macro processor. Note that, because TeX uses macros ubiquitously, most questions about code that uses macros are not looking for information about how macros work, and so are not appropriate for this tag.
2
votes
2
answers
324
views
Listing in a command error: Text dropped after begin of listing on input line
While I wanted to test some alignment options to ask another question regarding to listings, I have encountered a problem that I was not expecting.
Consider the following code:
% Preamble
\documentc …
- 5,327
2
votes
1
answer
168
views
Customizable pagestyle with options using DeclarePageStyleByLayers
Consider the following code:
\documentclass{article}
\usepackage{calc}
\usepackage{lipsum}
\usepackage{xcolor}
\usepackage{scrlayer}
\newcommand{\headerheight}{2cm}
\newcommand{\headertext}{\Huge\te …
- 5,327
0
votes
1
answer
22
views
Branch on a pgfopts boolean choice inside a newcommand?
Consider the following code for a class that relies on pgfopts for option management:
% CLASS
\NeedsTeXFormat{LaTeX2e}[1994/06/01]
\ProvidesClass{myclass}[2022/10/11]
\LoadClass{standalone}
\makeatlet …
- 5,327
4
votes
3
answers
60
views
Command gobbling extra letters not working when passed another command
On another topic, I was given the following command as an answer: it takes either a two letter font shape (sc, it...) or a full version (scshape, itshape...) to set the corresponding font shape.
\docu …
- 5,327
2
votes
1
answer
927
views
Local variable to a package
I am defining my own latex package mypackage.sty. How to define a local command such that: mycommand
If mycommand is already defined elsewhere it will be locally redefined just inside the package
I …
- 5,327
1
vote
1
answer
894
views
Define an environment from tcbhighmath
Let's assume that I have defined very carefully the parameters of the highlight math style from the tcolorbox package.
I would like to define an environment
\newenvironment{equationbox}{%
\begin …
- 5,327
1
vote
2
answers
36
views
Using string to process a macro name using listofitems seems to fail
I am trying to process the name of a command using listofitems, but when I am using \string to convert that command it does not behave the way I think it would behave.
Here is a code to illustrate:
\d …
- 5,327
4
votes
2
answers
65
views
How to robustly test if a macro has not been set yet via pgfkeys?
I am trying to define a newcommand \ifempty that takes three parameters:
A macro that has been tied to a pgfkey via /.store in OR /.estore in
What to do in case this macro has not been set yet (is em …
- 5,327
2
votes
2
answers
90
views
Convert a macro name to pgfkey name
Let's consider a macro name of the form \first@second. I would like to write a command that would convert the name of the macro to pgfkey name of the form /first/second so that the following approache …
- 5,327
1
vote
1
answer
49
views
Comparison not working when the variable is stored in a macro?
I am trying to branch of font size and the following is not working as I would expect:
\def\tinyfont{tiny}
\def\scriptfont{scriptsize}
\newcommand{\setfontsize}[1]{%
\def\currentsize{#1}%
\ifx …
- 5,327
6
votes
2
answers
344
views
if_exist macros in LaTeX 3: what are they doing if they do not check the type of things they...
In the documentation of interface3, for several macros with the pattern xxxx_if_exist for xxxx being bool, str, seq and many others the following appear:
Tests whether the <boolean> is currently defined …
- 5,327
3
votes
1
answer
137
views
Passing formatting options in pgfkeys using pgfopts
I am trying to design packages and handle package options using pgfkeys through the pgfopts package. However when an option include a formatting command, the whole thing fail and I don't get the expec …
- 5,327
4
votes
1
answer
299
views
Length operation within a newtcblisting
Consider the following code:
\documentclass[10pt,letterpaper]{article}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[french]{babel}
\usepackage{calc}
\usepackage{tikz}
\usepackage{ …
- 5,327
1
vote
3
answers
55
views
Branch over number of characters of an argument provided to a macro
I currently have the following command:
\newcommand*{\setfontshape}[1]{\@ifnotmtarg{#1}{\csname#1shape\endcsname}}
that helps me produce the command: \scshape from text sc.
I would like to modify my …
- 5,327
5
votes
4
answers
310
views
An expandable command that adds a string to an argument if the string is missing
I would like to write and expandable command which adds a string S1 at the beginning of another string S2 if S2 does not start with S1 in order to ensure that my string always start by S1.
I currently …
- 5,327