{optional-arguments} concerns commands and environments that accept optional arguments. For example the \sqrt command can be used as \sqrt[3]{x}.
3
votes
1answer
20 views
LyX style for command with multiple arguments
I would like to create a style for a command that takes multiple arguments:
\classify{A}{B}{C}
I started creating a style
Style Classify
Category FrontMatter
LatexType Command
...
12
votes
2answers
726 views
How do you define your environment such as to use […] for some parameter(s)?
In an environment, say
\newenvironment{whatever}[3]{...}{...}
you instantiante it (if that's the word for it in LaTeX) by
\begin{whatever}{first}{second}{third}
...
\end{whatever}
But how do ...
3
votes
0answers
42 views
Changing the optional argument of a package at some point in the document
Is it possible to change the optional argument from <option 1> to <option 2> (given to a loaded package <package> via \usepackage[<option x>]{<package>}) at an arbitrary ...
3
votes
1answer
43 views
Passing arguments to a .sty-file - a specific case
After having plowed through (i.e. read and trimmed down the given examples in an attempt to apply them to my case) these documentations and guides:
Implementing key-value input: An introduction
The ...
12
votes
2answers
302 views
New command with optional argument being first argument [duplicate]
I know I can create a new command with an optional parameter with
\newcommand{\mycommand}[2][Hello]{\textbf{#1} #2}
I would like to have the command such that there is an optional parameter which ...
4
votes
3answers
130 views
Arguments to Commands: […] vs {…}
Perhaps this is something that has been answered before, but a cursory search didn't turn anything up.
Is there any logic to how commands take arguments? Some things want the arguments to the ...
7
votes
4answers
145 views
Special macro definition
How can you define a macro \cmd in TeX primitives using two optional arguments (and a mandatory one) that fulfills the property that calling \cmd[opt]{mand} is equivalent to \cmd[][opt]{mand}. Yet, i ...
3
votes
3answers
59 views
Environment with coordinate-like arguments
I would like to define an environment which takes coordinate like arguments (1,2).
I think about two different calling schemes:
\begin{myenv}(mandatory coordinate)[optional](optional coordinate)
...
5
votes
1answer
55 views
verbatim-like environment with optional arguments poorly behaved
[EDITED to show where I actually want to use the optional argument]
This question may be answered at How to pass an optional argument to an environment with verbatim content?, but I'm having a hard ...
4
votes
1answer
38 views
Optional arguments in verbatim environments
This question is a follow up to verbatim-like environment with optional arguments poorly behaved. Based on David Carlisle's suggestion, I manually looked for an optional argument and employed ...
11
votes
3answers
790 views
How to pass an optional argument to an environment with verbatim content?
This is an attempt to make clear what happened in this question of xport (now deleted, sorry). The now deleted question included code that tried to make my answer to this question of xport work for ...
4
votes
1answer
113 views
Where to look up argument for a function in TikZ?
For instance,
(q_5) edge [loop above] node {a} (q_5)
This is Automaton package, the one I want to look up is [loop above], I want to know what other options can I put in ...
0
votes
0answers
46 views
\renewenvironment optional arguments using old environment [duplicate]
I ran into a problem and haven't quite figured out how to solve it. I would like to reuse an existing environment definition with optional argument to get a new one, which should also have one ...
1
vote
0answers
57 views
What is [htbp] used for? [duplicate]
When I try to input a macro for tables or figures, I usually get [htbp] beside the command... e.g.
\begin{table}[htbp]
What is the use of it? Can I remove it?
5
votes
1answer
54 views
How to add optional arguments to a package I'm writing?
I want to build a package that can optionally typeset line in double-space.
Something like this:
\ProvidePackage{mypackage}
% actual functional codes
Then I can use the package in this way:
...
5
votes
2answers
92 views
Passing more command line argument
I am new to latex. I would like to pass command line arguments (probably more) to \newcommand macro and expecting output like below.
if input is 1
/include {1.tex}
else if input is 2
...
4
votes
1answer
55 views
Problems with xparse and enumerate
I am trying to get the following document to work
\documentclass[10pt]{article}
\usepackage{enumitem}
\newcounter{foo}
\newcounter{bar}[foo]
\addtocounter{foo}{1}
\usepackage{xparse}
...
2
votes
2answers
54 views
Add parameter to existing command produces error
I have this command in a template given by my prof
\newcommand{\homeworkProblemName}{}%
\newcounter{homeworkProblemCounter}%
\newenvironment{homeworkProblem}[1][Problem ...
12
votes
2answers
4k views
A macro with either one or two arguments
I am trying to define a macro with variable number of arguments. For example I want to define a macro with two arguments that can work with one argument as well. So the same macro works in two ways.
...
5
votes
1answer
67 views
Using environment argument inside a new environment doesn't work
I know it must be something trivial:
\documentclass{article}
\usepackage{amsmath}
\usepackage{amsthm}
\usepackage{thmtools}
\usepackage[svgnames]{xcolor}
\usepackage{framed} ...
2
votes
2answers
281 views
Beamer allowframebreaks default option
How do I tell beamer that I want allowframebreaks allowed by default?
Something like noitemsep for itemize: \setlist[itemize]{noitemsep}
So that I don't have to do:
\begin{frame}[allowframebreaks]
...
18
votes
1answer
303 views
] inside an optional argument
I accidentally discovered (here) that a closing square bracket within an optional argument delimited by [ ] can cause problems.
Here is example code illustrating the issue:
\documentclass{article}
...
2
votes
1answer
81 views
Create new environment with options
I'm new to creating new environments and even though I searched at the xparse*documentation I couldn't figured out how to solve my specific problem. I would like to create a new environment, say ...
0
votes
0answers
40 views
Help on numerical argument with newcommand [closed]
I want to create a necommand with a numerical argument as below with a default value. If I only use the default value, it works fine, but if I use a number as argument, it will not work as i want. ...
2
votes
3answers
115 views
Itemize - set default option
I have plenty of lists, all with the [noitemsep] option:
\begin{itemize}[noitemsep]
\item foo
\item bar
\end{itemize}
Is it possible, to setup itemize to use this option by default? Or do I ...
6
votes
2answers
168 views
A macro for optimization problems
This question is an extension of Using an array environment inside an xparse command. I was advised to make a separate question for the extension. I would like to thank egreg very much for his help. I ...
5
votes
1answer
79 views
Switch on number of arguments given to a macro
I want to define a macro that does different things depending on the number of (optional) arguments given to it. Is this possible? How?
\documentclass{standalone}
\usepackage{xparse}
...
10
votes
3answers
183 views
Defining a list environment with multiple optional arguments
I'm trying to define a list environment with multiple optional arguments and with a default values for those arguments. For example, creating a new environment with a name newenv, which accepts two ...
4
votes
2answers
96 views
Line break (continuation) for commands (options, arguments)
How to do proper line breaking (continuation) for commands, i.e. their options and/or their arguments? For example, in order to transform this:
\usepackage[top=1.0cm, bottom=1.0cm, left=1.0cm, ...
10
votes
2answers
137 views
Flexible parenthesing command
I would like to create a smart parenthesing command without using the xparse package.
\p(1) prints (1)
\p[1] [1]
\p{1} {1}
\p(1|2) (1|2)
I tried this code but it ...
4
votes
1answer
120 views
Optional argument within another optional argument in biblatex \cite
What is the right way to define a macro with an optional argument that can be called within the <postnote> optional argument to biblatex \cite?
The last two \cite below don't work.
(Unless ...
10
votes
2answers
203 views
A new environment based on enumerate
I have defined the following simple environment:
\newenvironment{renumerate}{\begin{enumerate}\raggedright}{\end{enumerate}}
I wonder how the above can be modified to use with, say, the following:
...
7
votes
2answers
84 views
Using a required argument as a default for an optional one in \newcommand
I'd like to create a new subsection command with the same calling structure like the original one, but I have no idea on how to handle the case when the optional argument is omitted. Basically I want ...
2
votes
0answers
48 views
\let, \renewcommand, and optional arguments [duplicate]
Possible Duplicate:
When to use \LetLtxMacro?
I have a problem in redefining a command with an optional argument in terms of its old definition.
Here is what I did:
...
8
votes
1answer
110 views
How can I make a custom theorem for a definition?
Looking at the wikibooks article on theorems has me wondering... I'd like to do something, if possible, similar to the default "proof" theorem style, whereby I can add a custom name to each theorem as ...
18
votes
1answer
1k views
How can I make a package that accepts an optional argument?
I am writing a package that has a bunch of values that are going to be the same most of the time, but that I might want to change in select cases. I want to do this by giving this package an optional ...
13
votes
2answers
191 views
TeX Parameter Processing imitating key-value pairs
I am thoroughly confused by this answer to How to generate n points on a circumference and connect all of them while having constraints on the image size as I don't understand how the parameter ...
5
votes
1answer
86 views
Is a command with an argument before and after the command possible?
I'm trying to create a LaTeX3 command that works the same whether its argument comes before or after the command. For example, I'd like to define \squared to be used as either \m\squared or \squared\m ...
12
votes
1answer
117 views
How to read a stream of tokens up to one of two different delimiters
The core question
How can I process text delimited by one of two terminators? For instance, if I want to process text up to the next \A, I can just write
\def\CmdA#1\A{...}
But suppose that \A ...
5
votes
1answer
573 views
Can BibTeX ignore optional arguments?
Is it possible to get BibTeX to ignore certain optional arguments? For example, if the .bib file has many entries with language = {English}, and you wish for a certain file's bibliography to not say ...
2
votes
1answer
114 views
Creating a custom environment
I'm using the following syntax for my code snippets
\begin{minipage}{\textwidth}
\begin{lstlisting}[caption=<something>, label=<something>]
The REST Endpoint URL
is ...
8
votes
2answers
387 views
LaTeX: optional arguments with square brackets
LaTeX is trying to add a missing $ that I don't want to the following code:
EDIT: replaced stricken lines from original question with minimal working example:
\documentclass[letter,12pt]{article}
...
9
votes
3answers
198 views
Create macro with several options
I struggle to create a macro that can take several options. What I want to create is for \mycommand[up,middle]{Macro} to output Macro with 'up' and 'middle' specified. Using etoolbox in the MWE below ...
4
votes
2answers
121 views
Different macro behavior when supplied an argument
I want to define a macro, call it \func, so that \func will output\phi, and \func[i] will output \phi(i).
what is the easiest way to achieve this?
I know there are other questions that address this ...
6
votes
2answers
343 views
Keyval Error with \includegraphics: options undefined
I'm trying to make a class file to help me draft bylaws for clubs, but I'm running into a problem with \includegraphics. I want to be able to define a club logo using a \logo command (see class ...
9
votes
1answer
192 views
Bug? LaTeX misparses nested optional arguments
LaTeX seems to be having problems handling nested optional arguments. I've included a minimal code example that generates the error:
\documentclass[12pt,oneside]{book}
\begin{document}
...
0
votes
1answer
141 views
Pass multiple options to \newcommand
I have defined a new command for each of the team members in my project group to add individual todo-notes with different color and name.
Now I would like to add another option, but is having trouble ...
5
votes
2answers
164 views
Redefinition problem with \maketitle from KOMA class (with optional argument)
I try to redefine the \maketitle command as shown below.
If I use an optional argument in the redefinition I get the TeX capacity exceeded error.
Any suggestion why?
MNWE:
\documentclass{scrreprt}
...
6
votes
2answers
200 views
How to extend a macro for e-mail addresses to support multiple arguments?
I prepared the following macros to format e-mail adresses in a e-mail header.
\usepackage{xifthen}% Provides \ifthenelse and \isempty
% E-Mail header strings with format.
...
1
vote
0answers
68 views
xparse regression? Unable to create environment with single optional argument [closed]
I've created a custom environment for displaying code examples in a beamer presentation (for an introductory LaTeX couse no less), but compiling my "old" code suddenly results in an error. According ...
