# Tag Info

### No spacing after binary operator after math operator

TeX follows its own rules. With \int f(x) \diff{x} + y (note that you cannot define \intop that's already taken) you have Op Ord Open Ord Close Op Bin Ord but the combination Op Bin is invalid and ...
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### How to write a latex macro to reference a particular time in a set of youtube videos?

With the assumption that hours are quite rare in your links, the following makes them an optional argument defaulting to 0. Else this is pretty similar to the other answers, I've opted for a two-step ...
• 53.1k
Accepted

### How to write a latex macro to reference a particular time in a set of youtube videos?

In your command you are using mandatory arguments to your command. I would advise against it, since sometimes it might be the case that you don't want to specify a particular time. For this, using ...
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• 4,006
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### Condense paragraph into one line in LaTeX

The solution I was after is below. Idfix -> hard line break -> set at 0 (smart scoping and join lines). Now all i needed to do was set a short cut key for this. configure texstudio -> ...
• 213
Accepted

### How can I create a plain TeX macro that performs differently depending on whether or not it is called from within an \item?

Similar to what cabohah suggested in a comment, but with a small safety check: I redefine \item to use a new length \itemindent instead of \parindent, and set the former to be \parindent plus 1sp. ...
• 27.2k
Accepted

### Difference between \newcommand{..}[1] and \NewDocumentCommand{..}{m}

The difference in this context is that \NewDocumentCommand uses e-tex \protected\def so the command does not expand in a \write. You could use \NewExpandableDocumentCommand to define an unprotected ...
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### How can I create a plain TeX macro that performs differently depending on whether or not it is called from within an \item?

Following the suggestion of cabohah in the comments: \newif\ifinitem \initemfalse \def\mymacro{\ifinitem hi!\else bye\fi} \def\item{\par\initemtrue\hang\textindent} \let\oldpar\par \def\par{\...
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### Create a simple Latex macro which expands the format to sequence

This solution is a purely (e-)TeX one. It uses the same idea as Οὖτις's, but it doesn't require that the input be a control sequence (the input must be a character). I got rid of the optional argument ...
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### Create a simple Latex macro which expands the format to sequence

What about this? \documentclass{article} \usepackage{pgffor} \newcommand{\macro}[2]{% \foreach \n in {1,...,#1}{% #2% \ifnum\n<#1 + \fi }% } \begin{document} $\macro{5}{x^\n y^\n}$ \$...
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### Create a simple Latex macro which expands the format to sequence

You can define an auxiliary macro and do the replacement. \documentclass{article} \usepackage{amsmath} \ExplSyntaxOn \NewDocumentCommand{\makesum}{O{N}m} { \akkapelli_makesum:nn { #1 } { #2 } } ...
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### Create a simple Latex macro which expands the format to sequence

You did not tell whether with the result of \macro the focus is on obtaining the set of tokens, e.g., for defining another macro from it, or is on obtaining some nice typesetting in the pdf file. If ...
• 26k
Accepted

### Create a simple Latex macro which expands the format to sequence

If you are willing to write \N for the symbol to be replaced, I can offer the following solution. \documentclass{article} \usepackage{amsmath} \newcommand{\macro}[2][]{ \def\N{1} #2 + \...
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### Create a simple Latex macro which expands the format to sequence

You are almost there. A few remarks: macros are called \newcommand in LaTeX you can't name them the way you did instead, use simple terms using characters only (no digits, _ etc.) the first parameter ...
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### Alternatives to the physics package

There is now the package physics2 which takes a "modular" approach (command sets are loaded via \usephysicsmodule{<module>}). This allows it to support multiple (but sometimes mutually ...
• 1,315
1 vote

### Understanding a \@for loop

A solution using the \ekvcsvloop provided by expkv. I also added a small key=value interface with expkv-cs, the supported keys are align and formatter (the latter will get the text of each row as ...
• 53.1k
1 vote
Accepted

### How to add rows to a table via a command

You need to tell tabularray to first expand the \@history macro before typesetting the tabular. You can do this using the expand option (see section 3.2.3 "Expand Macros First" of the ...
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### Why is \textsc not working on this tabularray?

As @DavidCarlisle points out in his answer, the Computer Modern text font family doesn't include the bold/smallcaps combination. The remedy? Use a font that does provide the needed weight/shape ...
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### Why is \textsc not working on this tabularray?

This is unrelated to the table or pythontex. latex warns LaTeX Font Warning: Font shape OT1/cmr/bx/sc' undefined (Font) using OT1/cmr/bx/n' instead on input line 32. That is, there is ...
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### LaTeX3: elegant way to forward arguments (tokens, star, embelishments) to another command

Don't. It's not what \NewDocumentCommand is for. Anyway, first fix the arguments in \mynewcommand: your list is off. \documentclass[]{article} \NewDocumentCommand{\mycommand}{st't-t.e_O{}m}{% I am ...
• 1.1m
Accepted

### LaTeX3: elegant way to forward arguments (tokens, star, embelishments) to another command

Is this what you want? I think you must have overlooked argument #3 (the argument s-) in \mynewcommand, so I took the liberty of adding it. \documentclass[]{article} \NewDocumentCommand{\mycommand}{...
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### Create my customized version of \fnsymbol

Define your sequence of strings. \documentclass{article} \makeatletter \NewExpandableDocumentCommand{\mynumbering}{m}{% \ExpandArgs{c}\@mynumbering{c@#1}% } \ExplSyntaxOn \...
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1 vote

### Create my customized version of \fnsymbol

For getting ordinal numbers written out there seem to be two packages suited for that: fmtcount numspell They have a slightly different interface in that numspell only works with actual numbers out ...
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Accepted

### TexStudio Macro to lower case words

All ECMAScript functions/methods are supported, hence the string method toLowerCase() does the job. %SCRIPT cursor.replaceSelectedText("\\gls{" + cursor.selectedText().toLowerCase() + "}...
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1 vote
Accepted

### Cross Referencing and floating Point calculation inside of a tabbing environment

The code referenced in the linked A was written by me. When writing it I overlooked that with the zref-package assignments for introducing new properties (\zref@newprop) are done globally (not ...
• 26k
1 vote

### Configuring custom command for name and emails

Here's a quick way. I see no advantage in giving the optional argument after the mandatory one, so I use the standard version. You can surely change that, if you want. \documentclass{article} \...
• 27.2k
1 vote

### Summarize all costs and show the result in different places of the document

Store the overall value only once at the end of the document. I wouldn't produce links, it doesn't make much sense as there is no location associated with the overall value. Do not allocate a new ...
• 309k
Accepted

### Changing the style of unnumbered chapter to chapter

You need to create a \@makeschapterhead (version of \@makechapterhead for the star-chapter command, note the "s" between "make" and "chapter"). I have adjusted the width ...
• 4,006
Accepted

### LaTeX command that defines two new commands, one as a capitalized version of the other

If you prefer TeX primitive commands instead of Expl3 commands (similar to me) then yo can do: \def\DeclareDoubleMathOperator#1{\ddmoA#1\end} \def\ddmoA#1#2\end{\uppercase{\ddmoB#1}#1{#2}} \def\ddmoB#...
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1 vote
Accepted

### Automatically customizing the front cover of different memoirs

The problem is that \CoverBackgroundColor does not expand to a color, but to a set of instructions for printing a color name. Replace the code in mycover.tex into %%% mycover.tex \ExplSyntaxOn \...
• 1.1m
Accepted

### @for loop variable name printed instead of contents in tabbing environment

Table cells create groups, so any non-global assignment is lost when TeX goes to another cell (here, when you use \> to go to the next column or \\ to the next row). \@for does a local assignment ...
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### LaTeX command that defines two new commands, one as a capitalized version of the other

There are better methods, nowadays. \documentclass{article} \usepackage{amsmath} \ExplSyntaxOn \NewDocumentCommand{\DeclareDoubleMathOperator}{m} { % lowercase version \cs_if_exist:cF { #1 } ...
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Accepted

### Redefine \varprojlim and \varinjlim to get more pleasant arrows

Add a small strut, here the depth is 0.2ex, adjust to suit. The braces around \lim are necessary to avoid TeX inserting spaces. \documentclass{article} \usepackage{kpfonts-otf} \newcommand{\limstrut}{...
• 1.1m
1 vote
Accepted

### Summarize all costs and show the result in different places of the document

Probably a mechanism where you can specify via optional argument where to place the anchor for hyperlinks and the cross-referencing-label does what you want. (You seem to want not the Euro symbol from ...
• 26k

### Can you not pass argments to commands using keys?

I must have made some typo because I am certain I did this, which works as I have wanted it to. I decided to retry the obvious solution: \newcommand{\AddSvgHeight}[1][]{% \ifthenelse{\boolean{...
1 vote

### Can the BST file for BIBTEX be composed of several files?

No, the bst syntax does not provide a function to load files other than .bib. You may consider storing the abbreviation definitions (@string) in a .bib file.
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### Parsed word segment in second function can not be compared to string in latex?

The following is inspired by egreg's answer: \firstwordscase with its 2nd argument does "text-expansion", strip off leading and trailing space tokens and then extract at most as many space-...
• 26k
Accepted

### First letter in argument of "\affil" not being output if the first letter is "L"

Well, there is a bug in the document class IEEEmce (which can be found via the this link). I actually do not recommend using this document class, as it seems not to adhere to best practices when it ...
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### lilypondfile in macro, with filename as argument

As pointed by Ulrich Diez, lyluatex allows such definitions, but with some caveats you should be aware of, that are mentioned in the documentation. See the "Examples" section, "Wrapping ...
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### Parsed word segment in second function can not be compared to string in latex?

For the sake of variety, here's a LuaLaTeX-based solution. It consists of two LaTeX utility macros, called \FirstPart and \foo, that make \directlua calls to Lua functions called, you guessed it, ...
• 469k

### Parsed word segment in second function can not be compared to string in latex?

It's not really clear what you want to achieve. Maybe something like this? \documentclass{article} \ExplSyntaxOn \NewExpandableDocumentCommand{\firstwordscase}{mmm} { \ise_firstwordscase:enn { \...
• 1.1m
1 vote

### Parsed word segment in second function can not be compared to string in latex?

Probably a command \foo which only by expansion-methods tests whether its argument (after expansion and) after appending a space starts with 1.⟨space⟩Book⟨space⟩ is sufficient? \makeatletter %%========...
• 26k
Accepted

### Optional argument in optional argument causing errors

It seems quite a complicated set of commands… Anyway, stick to \NewDocumentCommand. \documentclass{article} \usepackage{amsmath} \NewDocumentCommand{\restr}{mm}{#1\IfBlankF{#2}{|#2}} \...
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### Command to create table of images

Perhaps you need something like this? % !TeX program = lualatex \documentclass{article} \usepackage{caption,subcaption} \usepackage[margin=1in]{geometry} \usepackage[draft]{graphicx} \usepackage{...
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1 vote

### I'm trying to use armtex in latin "mode", but macros do not work properly

You need to call the Armenian parts as argument to the font selection commands listed in section 4 of the manual. \documentclass{article} \usepackage[latin]{armtex} \begin{document} \section{...
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### texlive tlmgr update: what's the best configuration

I asked at the homebrew forum and learned that the use of tlmgr is blocked. As @samcarter_is_at_topanswers.xyz suggests in her/his comment above, we should download the MacTex package from its ...
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### Latex newcommand with key-values uses value of last call for each call

Probably nesting \PassFirstToSecond/\Exchange does the trick: \makeatletter \RequirePackage{keyval} \define@key{test}{unit}{\def\thisunit{#1}}% \define@key{test}{ref}{\protected@edef\thisref{#1}}% \...
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### ifcase eats up letters

• 707k
Accepted

### what is definition of "\@nobreaktrue"?

TeX has a build in primitive \show to show the meaning of a command sequence. For example \show\TeX \bye in plainTeX writes: > \TeX=macro: ->T\kern -.1667em\lower .5ex\hbox {E}\kern -.125emX. l....
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1 vote

### ifcase command that changes color does not work

If you don't fully understand how TeX's macros and primitives (such as \expandafter in this case) work, I recommend writing easy-to-understand macros that does not use them (see the modified \...
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