{environments} is for general questions related to (La)TeX environments. For questions about environment subcategories like {lists}, {quoting} environments, or {floats} use the appropriate tag instead.

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11
votes
3answers
5k views

How to make LaTeX ignore the contents of an environment?

I would like to make a \todo command and environment whose behavior changes depending whether I define a command \showtodos. A basic \todo command is simple to write: ...
11
votes
1answer
3k views

How can I write multi line equations with alignment in inline math mode?

Is there any way to override the fact that certain environments in LaTeX are automatically "displayed"? One such example is the align* environment. I want to keep my aligned equations inline. So ...
11
votes
2answers
1k views

How do I define new environments, and why would I want to?

I've read about defining new, custom environments that can be used like \begin{thisismyown} % do some funky stuff \end{thisismyown} How do I define thisismyown, and why would I want to?
10
votes
1answer
1k views

What is the purpose of putting \newenvironment, \newcounter in a document class?

In exam.cls, I saw the following codes which I don't understand how do they function in the document class (exam): \newcounter{question} \newcounter{partno} \newcounter{subpart} ...
10
votes
2answers
620 views

Environment to allow line breaks at “,” in math mode

I find the question and accepted answer to Allowing line break at , in inline math mode? very useful, BUT I would like to make an environment (e.g. "allowbreaks") out of it. The problem is that I'm ...
10
votes
1answer
3k views

Defining my own description environment

I need help writing my own description environment. The only thing I want to change is the appearance of description label. I can achieve what I want universally just fine with the following bit in ...
10
votes
2answers
2k views

How to define a new environment with a fancy box (tikz) around sample source-code (listings)?

This is what I want to do: \documentclass{beamer} \begin{document} \begin{frame}[fragile]{Frame 1} Some \structure{Python} code here: % I want to define a new "pythoncode" environment, so ...
9
votes
1answer
1k views

Vertical space before and after custom environment

I've created custom environment with these commands: \usepackage{relsize} \newcounter{annotation} \def\theannotation{\arabic{annotation}} \newenvironment{annotation} ...
8
votes
3answers
1k views

How to make an environment star Exercise?

I want to create an environment star Exercise, but I can not. Please help me. \documentclass{book} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsmath} ...
8
votes
3answers
230 views

How to use named variables with one environment

Just after there is one code which has been proposed to me in this site. Instead of using \begin{MyFrame}[1.5cm][2pt][1.3cm][blue][2][8ex], I would like to use something more friendly like ...
7
votes
3answers
4k views

Change the font of the block quote?

Sorry if this is a duplicate, but I can't find the right way of doing this. I want to redefine my quote and quotation commands to use a different font. My main font is Linux Libertine O (I am using ...
5
votes
3answers
1k views

Defining a new LaTeX environment for numbered two-column proofs

I'm trying to write up problem sets for my programming languages class, and I want to create an environment for a certain style of proof. Proofs in this style will have two columns, with numbering on ...
18
votes
3answers
2k views

Why does LaTeX make a distinction between commands and environments?

Why does LaTeX make a distinction between commands and environments? Or also: why do we need environments? I ask this because I am defining a number of custom commands (like \question{} and ...
13
votes
2answers
352 views

What is the problem with nested environments using \BODY (environ package)?

This question led to a new package: newenviron I want to define some environments, which place their content into multiple different other environments. To access the contents I used the ...
12
votes
4answers
8k views

How do I generate a check-list?

Similar to the itemize or description environments I would like to have a check-list environment, with neat boxes on the right side, that I may check or uncheck. I guess I'm not the first having this ...
11
votes
1answer
372 views

New list environment: automatic enumeration with “a posteriori” format

This is a follow-up question to Nested enumerate labels with parent label appended plus a single set of enclosing parentheses First and foremost, sorry for my English, I'm learning it currently. ...
11
votes
3answers
473 views

Environment that obeys spaces

I need to build one environment that obeys spaces, but not new lines, and also change tabulation into four spaces. I can't use verbatim because I would also like to use macros in my environment.
9
votes
1answer
144 views

Why is this lettrine being bumped into the margin?

Consider the MWE from an earlier question: \documentclass{article} \usepackage{lettrine} %\usepackage{fontspec} %\defaultfontfeatures{Ligatures={Historical}} ...
9
votes
1answer
242 views

Suggestions for an automatic taxonomy environment

Background In this site there are excellent examples of How to draw up a hierarchical tree diagram for taxonomic classification of several groups but often you must show only the position of a ...
9
votes
1answer
268 views

how to redefine \begin{align*} … \end{align*} to \begin{eqnarray*} … \end{eqnarray*}

Scientific word insists in generating displayed math using \begin{align*} ... \end{align*} and htlatex has a bug in that it does not generate bit mapped images in this case. The fix that I found ...
9
votes
2answers
3k views

Unable to create multiple timelines using chronology.sty

I wanted to create a document that contains multiple timelines on one page. I am using chronology.sty, which uses TikZ, to accomplish this. However, I get an error when I try to create more than one ...
8
votes
1answer
657 views

Adding something automatically to every paragraph in an environment

I'd like to know if it's possible to have something added automatically to any paragraph in a given environment. I use LaTeX mostly for doing fill-in-the-blank worksheets at the school where I work. ...
7
votes
1answer
291 views

Looking for a better code for my \newcommand

While preparing my lecture notes, I decide to create a command, possibly a new environment, that highlights when I am presenting a worked example. I came up with the following code. The code does ...
6
votes
2answers
373 views

Processing the body of an environment multiple times

Dear all, I am new to package writing (LaTeX2e) and to this forum, and I probably read to much of the TeXBook and not enough on LaTeX. My package works, except that verbatim is verboten. Given a user ...
5
votes
1answer
168 views

Adjust vertical spacing for any combination of text, equations and custom environments

Edit I completely rewrote the question thanks to @pluton's comment. I have a couples of documents which have to fit on two pages. Some of them are short, so nothing needs to be done. But for some ...
5
votes
2answers
134 views

Collecting contents of LaTeX environment

I have the following for collecting contents of an environment and printing them later, it works but for my real task i want to use the environ package because i need to be able to have access to ...
4
votes
1answer
142 views

listings using tcolorbox package without Chapter and Section environment effects

I want to get listings using tcolorbox package but without counting Chapter and Section environments. See in MWE, I used section environment withing listings which effects the counter for following ...
4
votes
1answer
969 views

Redefining the quote environment

Can somebody tell me what is wrong with this: %%Tweaked quote environment \let\origquote\quote \renewenvironment{\quote}{% \vspace{-0.5\parskip} \origquote }% {\endorigquote} My goal is to ...
4
votes
2answers
3k views

Replacing itemize by mdwlist's itemize* throughout?

Most of my documents start with a couple of quick hacks that save me literally a couple of keystrokes a month: \let\cite\texcite \let\epsilon\varepsilon and so on. Now, I'd like to do a similar ...
3
votes
1answer
477 views

prooftree from bussproofs package inside “cases” environment

I am using bussproofs package to provide some type proofs. According to bussproofs manual, it is impossible to use prooftree inside math mode. However, I would like to insert prooftree in the cases ...
2
votes
1answer
98 views

Multiple Altconditions within LaTeX Document

The question refers to this solution and trying to modify the code to support multiple altconditions in my document. The problem is to allow two sets of alternative conditions within the same ...
2
votes
1answer
331 views

Parameterised Enviroments in Lyx

Ok, I have a set of structured data that I want to format consistently. In this case a set of spells for a role-playing game. Now in Latex I vaguely remember I could do something using ...
1
vote
1answer
503 views

Listings: new environments with arguments

I have this basic question. How can use arguments with listings? I tried this and it doesn't work: \lstnewenvironment{cor}[2][] {\linerange{#1-#2},\lstset{language=[Sharp]C,,basicstyle=\scriptsize, ...
18
votes
2answers
8k views

Block comments with *% and %*

I know the package comment which allows to use : \begin{comment} Lines to comment \end{comment} This is not very friendly to use. I would like to have the following possibility: *% Lines to ...
17
votes
2answers
393 views

Why do I have to put the center environment in a group for \@afterindentfalse\@afterheading to suppress indentation?

Consider the following two macros, the only difference being that one has the environment inside a group: \documentclass{article} \makeatletter \newcommand\thisworks{% {\begin{center} $\ast$ ...
13
votes
2answers
571 views

Centering text on a page

I'll try to illustrate what I want to accomplish. I want an enviroment/page style for poems that works like this -- the title (if present) is placed in the title placeholder (purple). The body of the ...
10
votes
3answers
275 views

How can I typeset a command and its literal equivalent in an environment?

UPDATE: I've opened a follow-up question: How can I typeset an environment and its literal equivalent in an environment? I would like to pass a command and arguments to an environment. The output ...
10
votes
2answers
871 views

Get emacs to automatically insert \end{} commands after a \begin{} command

I've recently switched from Kile to Emacs/AUCTeX for LaTeX editing. I like AUCTeX a lot more in general, in part because I've put a lot of effort into learning Emacs really well. One feature I really ...
10
votes
1answer
200 views

Inserting document compiled from LaTex code inside a .tex file

Is there a way to insert a document within a document? The inserted code is fully .tex compliant and could be compiled as a document on its own. I envision an article document, where inside the ...
10
votes
1answer
2k views

Environment to underline/strikeout for comparing versions

I have a TeX file that I'm editing with several collaborators and we use environments to highlight and discuss proposed changes like the following: Some text. \begin{old} Text that I propose to ...
10
votes
2answers
2k views

How to change color of some particular environment for entire document

I want to change color of particular environment in document. For example wherever I found verbatim environment or equation environment appears in my tex file. With some global settings, I want to ...
10
votes
2answers
2k views

Listings: different counters for different listing environments

How do I create two lstlisting environments that each have its own counter? If I use for example \lstnewenvironment{algorithm}[2]{ \renewcommand\lstlistingname{Algorithm} \lstset{ ... } } ...
9
votes
2answers
147 views

Creating a new environment containing a tikz environment

I would like to create a new environment in order to ease the process of making plots. It should be able to something like this: \begin{graph} \addplot [domain=-10:10, samples=1000]{x)}; \end{graph} ...
9
votes
1answer
622 views

Use the s (star) argument with \NewDocumentEnvironment

Would it be possible to use the s argument specifier of xparse in \NewDocumentEnvironment so that we get an environment an a starred version of it? Actually it works, but the star goes to the wrong ...
9
votes
1answer
174 views

Is there a way to replace an environment with a command?

Under certain conditions (triggered by selection of a package option) I would like to change specific environments into margin notes. However marginnote is not itself an environment, but a command ...
8
votes
1answer
93 views

Suspending environments and resuming by another environment

Is it possible to interrupt a LaTeX environment, say OuterEnv, by another environment, say InnerEnv, the later closing the first in the environment startup code, doing 'whatever' and then resuming the ...
8
votes
2answers
248 views

Ignore first parskip inside a save box

I have the following definition (MWE below) of a lrbox. If I use the normal setting parskip=off the interaction \mdf@restoreparams works as expected. Inside the lrbox I can use parskip and parindent. ...
7
votes
2answers
207 views

Seemingly trivial: verbatim, newenvironment, and colorbox

I am, once again, trying to achieve what seems like a trivial goal. I want to use \newenvironment to define a verbatim environment with a background color. I need to define my own environment because ...
7
votes
2answers
705 views

Modify locally the “array” environment for Equation Systems

When I started to use LyX 2.0.6 I noticed that when an Equation System is needed, there are two options available to typeset it: using the appropriate command on the Math Line cases, or ...
7
votes
1answer
680 views

defining a centered shadowboxed listings environment

I'm trying to define a environment for code listings wrapped in a shadowbox and centered in the line. Using this code, I can generate the kind of output that I want: ...