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A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

{verbatim} is about macros and environments like “\verb” and “verbatim” which implement some form of verbatim mode, i.e. change the {catcodes}. A popular package is {fancyvrb}. For questions about the…
1138 questions
{geometry} is a package that allows to change the margins of (whole) pages and, conversely, the width and height of the textblock and its positioning on the page.
1130 questions
{expansion} is about expanding tokens, including the manipulation of expansion order and the suppressing of expansion.
1124 questions
{hyphenation} is about controlling hyphenation in (La)TeX documents.
1110 questions
{array} is an environment used in {math-mode}. It can be useful when aligning terms.
1074 questions
{languages} is about the specifics of using languages in (La)TeX documents, e.g. about switching {naming} and {hyphenation} patterns when typesetting multilingual documents. Popular packages are {babe…
1048 questions
{punctuation} is for questions involving the typesetting of punctuation marks. If your question relates to punctuation in particular document parts such as e.g. bibliography formatting or section form…
1047 questions
{appendices} is about creating and customizing an appendix or multiple (sub)appendices with the help of the `\appendix` command or the `appendix` package.
1036 questions
{minted} is a package that facilitates expressive syntax highlighting in LaTeX using the powerful Pygments library. The package provides options to customize the highlighted source code output using {…
1031 questions
for general LaTeX questions. {latex3} is about the new material being developed by the LaTeX3 project. This includes the expl3 programming language along with higher-level c…
1022 questions
{subcaption} is a package for typesetting captions of {subfloats}.
1012 questions
{IEEEtran} is a document class for IEEE Transactions journals and conferences.
992 questions
{math-operators} is about operators in math mode. These include sums, integrals and similar, text operators like sin, cos, etc.
{cleveref} is a package that enhances LaTeX's {cross-referencing} features, allowing the format of references to be determined automatically according to the type of reference.
the {exam} document class provides a number of useful features for typesetting exams - in particular it provides a `Question` environment with `parts`, and can keep track of points
952 questions
Polyglossia is a replacement for {babel} for use with XeLaTeX and LuaLaTeX. It provides multilingual support for most languages and handles automatic script changing using the {fontspec} package.
945 questions
{3d} is about three-dimensional content, e.g., images and drawings.
939 questions
{unicode-math} provides an implementation of Unicode math symbols and OpenType math fonts for XeLaTeX and LuaLaTeX.
936 questions
TeX4ht is a highly configurable TeX-based authoring system dedicated mainly to produce hypertext.
935 questions
{tikz-cd} concerns commutative diagrams produced by the tikz-cd package.
935 questions
{bold} is specifically about making document elements bold (or removing this font attribute). For general questions about formatting document elements, use {formatting} instead.
934 questions
{forest} is about trees in {diagrams} created with the forest package. It is built upon {tikz-pgf}.
{rules} is about drawing lines (also called rules). Popular packages are {booktabs} (which provides high quality table rules) and {dashrule}.
912 questions
{acronyms} is about formatting acronyms and abbreviations using customized commands or specific packages like acronym or {glossaries}.
911 questions
{apa-style} is about bibliography questions using the style of the American Psychological Association. Use this tag in addition to the tag for the specific package you use to implement the style.
898 questions
{rotating} is for general questions about rotating document elements as well as for questions about the `rotating` package and its `sidewaysfigure` and `sidewaystable` (floating) environments. For gen…
897 questions
{columns} is specifically about columns in {tables} (though often the latter tag will suffice). If your question is about {two-column} documents or the {multicol} package, use the respective tag inste…
Plain TeX is Knuth's original default format for TeX documents.
879 questions
{input} is about the \input command which makes LaTeX process the content of a given file basically the same way as if it would be written instead of \input.
877 questions
{brackets} is about different brackets, their usage and functionality in (La)TeX.
867 questions
{foreach} is for questions regarding the TikZ/PGF module of the same name which can also be used as a standalone package pgffor.
866 questions
{pdfpages} is a package that simplifies the inclusion of external multi-page PDF documents in LaTeX documents.
{windows} is for questions which are specific for the Microsoft Windows operating systems. Questions regarding MikTeX, a popular TeX distribution for Windows, should be tagged with {miktex} instead.
849 questions
{overlays} is a term used by the {beamer} document class to describe the layering of slides.
{mdframed} is a package for creating framed boxes that can break across pages.
827 questions
{warnings} is about dealing with and (hopefully) getting rid of compiler warnings.
816 questions
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