Questions tagged [syntax]
{syntax} is about the principles and construction of the (La)TeX language.
1
vote
1answer
131 views
What is “# Notation”? How does the # syntax work?
Closely Related: How to implement \expandbefore, similarly to \expandafter?
In the related question, a reference is made to the "# Notation". How does the syntax work?
From an answer on the other ...
5
votes
3answers
90 views
proof environment
\documentclass[10pt,a4paper]{article}
\usepackage[utf8]{inputenc}
\usepackage{amsmath}
\usepackage{amsthm}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{pgfplots}
\begin{document}
\begin{...
2
votes
1answer
27 views
Incomplete \iffalse when using syntax package with a citation
For reasons unknown to me the following minimised latex code produces a
(/opt/local/share/texmf-texlive/tex/latex/mdwtools/syntax.sty) (./text.aux))
! Incomplete \iffalse; all text was ignored ...
1
vote
0answers
38 views
What is the TeX at symbol / @ for? [duplicate]
Edit Note: I am trying to research "switches" (like \chapter), which led to this question. It might be helpful to tag this "switches".
I have seen a lot of documentation that appears to be using ...
3
votes
2answers
54 views
How to put a frame around the grammar syntax in LaTeX
How I can put a frame around the grammar syntax in LaTeX like in listings that we use frame = single? For example, for this grammar:
\documentclass{article}
\usepackage{syntax}
\begin{document}
\...
3
votes
1answer
61 views
Epicycle and deferent with Tikz - Function syntax
I want to build an epicyclic graph and found a useful trigonometric function on the web (URL is in comment in my MWE). My personal issue is that I can't write a complex function as a "plot" argument. ...
2
votes
1answer
59 views
Putting severals terms below each other
i would like to put equations below each other and have equivalences next to it below each other as well.
Usually i use the command &= to put equations below each other, but when i use that it ...
4
votes
1answer
72 views
Lyx changed format from usepackage{} to use_package
My document was written in the following syntax with LyX:
\usepackage{algorithm}
then everything in the document change to (I don't know how...):
\use_package algorithm 1
instead...
Do you know how ...
0
votes
1answer
64 views
How to syntax-highlight an own language / unpopular language?
How can I syntax-highlight an unpopular language that is not supported for lstlisting?
The language is called "Cypher" (for the graph database Neo4j) und I would like to highlight words like "RETURN",...
1
vote
0answers
46 views
What does a backslash hyphen (\-) do?
What does \- do in the middle of a word? The context in which I saw it was
\textsc{Some\-Word}
I tried searching for this syntax with google but it's very difficult to get a search engine to do ...
5
votes
2answers
135 views
How test value of a command with `\ifthenelse` and `\equal`?
Revised question
(Trying to follow suggestion in comment by David Carlisle.)
I want to assign a string as the value of a command and then take alternative actions (by means of ifthenelse) according ...
3
votes
1answer
79 views
Use `code` syntax to insert some code [duplicate]
Instead of using
\usepackage{listings}
...
lstinline{for} or \lstinline{while} or \lstinline{main}
Here you \codeword{see} an \codeword{example} of \codeword{code}
how is it possible to define this ...
1
vote
0answers
42 views
How to name custom commands so that they will not be same as LaTeX commands or same as commands from packages that I may install in future?
How to name custom commands so that they will not be same as LaTeX commands or same as commands from packages that I may install in future? Maybe there some rules of naming or tips and tricks that I ...
0
votes
0answers
50 views
Why do some commands need to be in math mode while other commands do not?
For example:
\documentclass{article}
\usepackage[svgnames]{xcolor}
\begin{document}
\colorbox{Gainsboro}{sdfASDF}
$\times$
\end{document}
Here, \colorbox{Gainsboro}{sdfASDF} doesn't need to be ...
3
votes
0answers
112 views
Including an Rmd file in a Rnw file using pandoc
I was trying to follow this example that shows how to write a separate chapter in RMarkdown and then include it in your main RNW file using \include{}.
However, I have not been able to get pandoc to ...
2
votes
1answer
164 views
Underline inside of enumerate and align
MAIN QUESTION! This is my first question on here so bear with me. I would like to underline my last line of code where it says underline. I have tried to do so as you can see below, but I keep getting ...
0
votes
1answer
34 views
A better way to write arrow symbol with words above and under it? [closed]
I'm a daily math.se user and I've read about the tutorial page but I haven't seen, for me, a simple/shorter way to re-write the following symbol
The mathjax syntax I used is: $\overset{linear}{\...
0
votes
0answers
72 views
Runway argument
I am unable to insert the tables in my Latex document. The following is the error message
"{\clearpage \thispagestyle {empty}\begin {landscape}\centering \begin \ETC.
! File ended while scanning use ...
3
votes
1answer
378 views
Syntax error: missing semi-colon
After a few days working and reading about tikz and with everyone help, I'm starting to reach my goals. One of my graphs was working ok, but I decided to make it accept "parameters", hence I would be ...
3
votes
1answer
75 views
Strange listings syntax: emph=[<number>]{<identifier list>} or emph={[<number>]<identifier list>}?
In the documentation of listings (2015/06/04, Version 1.6) on p. 18 we see the example
\lstset{emph={square}, emphstyle=\color{red},
emph={[2]root,base}, emphstyle={[2]\color{blue}}
Note that the ...
0
votes
0answers
70 views
What is the symbol (\!) for? [duplicate]
I have been copying from class text to a blade on Sharelatex, and it seems the teachers use the symbol (\!) a lot.
\sin\!\left(x\right)=\frac{-1}{\sqrt{2}}
\cos\!\left(\frac{\pi }{12}\right)
Why do ...
1
vote
0answers
29 views
Consecutive Comparisons
When I try to do compound comparisons the use of the braces don't seem to work correctly, as tried below?
\documentclass [letterpaper, 12pt]{article}
\usepackage{etoolbox}
\begin {document}
\def\...
2
votes
1answer
458 views
Markdown code fragment inside latex document
I am writing a document in LaTeX and I need to add some Markdown code fragments with highlighted syntax. Right now I'm using listings library for all my code fragments but listings doesn't support ...
0
votes
2answers
47 views
syntax package causes compilation to break \cite command
Adding the syntax package causes \cite commands to break with the following error:
Argument of \@citex has an extra }.
<inserted text>
\par
l.5 ...high ceiling") \cite{...
16
votes
2answers
2k views
About the use of curly braces
Although I use LaTeX a lot, I still have a lot to learn about it, and I still have many questions which remain unanswered. One in particular bothers me: when and why must I use curly brackets when ...
0
votes
1answer
70 views
TeXstudio needs “manual cleanup” when syntax error [closed]
The following minimum example:
\documentclass{book}
\usepackage{lipsum}
\begin{document}
\chapter{Sample}
\lipsum[1-3]
\end{document}
When I compile this with TeXstudio, everything works fine.
Let'...
0
votes
0answers
40 views
Why do we need to specify which environment we end? [duplicate]
Whenever we start an environment we have a \begin{environment}, and when we want to end an environment we write \end{environment} but shouldn't just \end be enough?
As far as I'm aware, the following ...
4
votes
2answers
444 views
What package is? abstract syntax in paper
In this paper "A static semantics for Haskell" is shown a schema of a language, and I want to replicate the same style, but I cannot find the right package.
I find some similarity with syntax package ...
2
votes
1answer
167 views
I can't resolve this error
LaTeX Error: Something's wrong--perhaps a missing \item.
See the LaTeX manual or LaTeX Companion for explanation.
Type H <return> for immediate help.
... ...
11
votes
2answers
412 views
Syntax of let with and without = [duplicate]
While reading the documentation of endnotes I have found the following line:
\let\footnote=\endnote
Until now I always wrote \let without a =, so I would have written
\let\footnote\endnote
And ...
7
votes
2answers
678 views
After a backslash did its work
A rather puny question:
What is "good practice" to end a backslashed command?
At the moment, I simply insert a {} if the following char
(can you tell me which ones qualify?) does not automatically end ...
1
vote
1answer
758 views
File ended while scanning the use of \frac
I'm sure I made a mistake here somewhere, which didn't allow me to compile the PDF file in order to see what I'm doing. Sure enough, I've been looking at the \frac, trying to catch some rule violation,...
1
vote
1answer
134 views
What's the error in my code?
i'm trying to compile this quite easy code but i keep getting errors.
my code:
\documentclass{article}
\usepackage{amsmath}
\usepackage[latin1]{inputenc}
\usepackage{tikz}
\usetikzlibrary{shapes,...
2
votes
1answer
73 views
Use of variable within the call of a function
I need to call various commands based on some combination of conditions. Due to a huge number of possible cases, it would be very convenient to use variables inside the name of the called command. Is ...
1
vote
2answers
98 views
Why is there no single bracket command, but split into left and right
Why is there no tex command like \paren{---} equivalent to \left( --- \right)?
We almost always use open and close brackets in conjuction, so it makes sense (to me) to have such a command. My ...
1
vote
1answer
156 views
amsmath \overleftrightarrow with no added vertical space
I cannot figure out how to get an \overleftrightarrow macro to add no vertical space to what is underneath. I am looking for the spacing between lines to appear as if the arrow does not exist and is ...
0
votes
1answer
65 views
blank page 1 and pdf plots not showing
my text is not going on to the next page properly. I have been using LaTeX a long time but just updated some packages so I am sure there is some user error here. I found I mistakenly deleted "\begin{...
2
votes
1answer
80 views
Using \crefformat with cleveref causes spurious chktex warnings
Cleveref has a useful feature in \crefformat where an equation can be referred to, for instance, an inequality. This adds an extra square-bracket argument to the \label command. For example:
\...
0
votes
1answer
419 views
Remove spacing after backslash
I am trying to produce the following output:
\opt\mtwilson\configuration
by using \textbackslash{}opt \textbackslash{}mtwilson \textbackslash{}configuration, however this outputs
\opt \...
3
votes
3answers
721 views
Context Free Grammar productions with alignment
I am trying to write grammar productions for a document. I am using align environment to get the desired grammar productions as follows:
\begin{align*}
S\# &\rightarrow aA | bA\\
A\# &\...
0
votes
1answer
378 views
Inline Hebrew in xelatex and General LaTeX Syntax
How can insert some hebrew characters into a tex document and then resume in the document's main language?
That is -- I'm working on creating a tex document that will ultimately be converted into a ...
10
votes
1answer
180 views
Omitting argument in command definition
Sometimes I define model commands (\foo in the example below) and then particular commands based on that model (\fool in the example below). However, I am not entirely sure I am using the correct ...
0
votes
1answer
153 views
Missing $ and }?
I'm getting a "Missing $ inserted" and "Missing } inserted. Extra }, or forgotten \endgroup"
Here's the code:
\documentclass{article}
\usepackage{calc}
\usepackage{ifthen}
\usepackage{tikz}
\...
4
votes
4answers
716 views
syntax of passing arguments to a command
From general programming languages, I'm used to calling functions in the following way:
myfunction(argument1, argument2, ..., argumentn)
It seems like latex requires this syntax
\mycommand{...
4
votes
3answers
716 views
Centring a table while ignoring margins
How do you centre this table without ignoring the margin to the left so it fits directly on centre?
Below is my code
\begin{center}
\centering
\resizebox{!}{5cm} {
\begin{tabular}{| ...
3
votes
2answers
143 views
How can I fix the paragraphs to be within the same indentation?
\documentclass[11pt]{article}
\usepackage[utf8]{inputenc}
\usepackage{amsfonts}
\usepackage{amsmath}
\usepackage{amsthm}
\usepackage{amssymb}
\relpenalty=9999
\binoppenalty=9999
\renewcommand{\...
0
votes
0answers
450 views
Error : could not start the command : pdflatex -synctex=1 -interaction=nonstopmode “main”.tex [duplicate]
I checked several questions at this community about the issue but did not works out as a solution.
I am trying to run the LaTex code on my machine, but it stopped working for this file.
I have ...
5
votes
1answer
2k views
Not recognizing `\begin{document}`
I stumbled upon the following warning and error, consecutively. I see no reason why they would correlate.
LaTeX Warning: You have requested, on input line 447, version
`2011/01/03' of ...
1
vote
3answers
5k views
How to change the numbers on a section?
I would like to relabel the numbering on the \section{} to match the lecture number. Issue is don't I start the document at lecture 1, hence the discrepancies.
Any help would be most appreciated.
16
votes
2answers
3k views
Meaning of {} and [] in LaTeX syntax?
I'm somewhat new to LaTeX, and since I'm used to more traditional OO programming languages like Java, C, or Python this is bugging me as it seems like very basic syntax for LaTeX. I'm wondering if ...
