/ mdmath Public

LaTeX Math for Markdown inside of Visual Studio Code.

# goessner/mdmath

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# Markdown+Math

## What is it ...

mdmath allows to use Visual Studio Code as a markdown editor capable of typesetting and rendering TeX math.K, In fact it now reuses the built in markdown viewer. KaTeX works inside as a fast math renderer.

You can install the extension directly from Visual Studio Code Marketplace.

### What is new in mdmath 2.7.0 ...

• Different themes for HTML export are supported now. Users can choose

• default
• minimal
• publication (LaTeX style)

theme in user settings.

• about LaTeX style publication theme:

• Commutative diagrams are working now.

• Insert Table Of Content command available. Inject ToC at cursor location via Insert Table of Content from Command Palette (Ctrl+K T).

• User notification on HTML export can be suppressed via boolean user setting Silent (default: false).

• Enforce inline math $...$ pair being enclosed by space characters as a guard against misinterpretation of single $'s in normal markdown via user setting Outerspace (default: false for backward compatibility). ## Features Simplify the process of authoring and live previewing markdown documents containing math formulas. This extension is a comfortable tool for scientists, engineers and students with markdown as their first choice document format. • Inline math • Display math (Pandoc compatible) • Formula numbering • Inline math with tables • Works offline. • Integrated in native markdown viewer. So after installing the extension, TeX math is properly displayed in the markdown preview window. • Based on markdown-it plugin markdown-it-texmath. • Using vscode's Markdown Extension API. • Editor view and Preview are synchronized while scrolling. • Copy resulting HTML code to the system clipboard. • Due to markdown-it-texmath's support of different formula delimiters, these are also available and user configurable with mdmath: • 'dollars' (default) • inline: $...$ • display: $$...$$ • display + equation number: $$...$$ (1) • 'brackets' • inline: $$...$$ • display: $...$ • display + equation number: $...$ (1) • 'gitlab' • inline: $...$ • display: math ...  • display + equation number:  math ...  (1) • 'julia' • inline: $...$ or ... • display: math ...  • display + equation number:  math ...  (1) • 'kramdown' • inline: $$...$$ • display: $$...$$ • display + equation number: $$...$$ (1) ## Installation ... ### ... from inside of VSCode Press F1 key inside of Visual Studio Code and type extension. Choose Extensions: Install Extension and then select the Markdown+Math extension from the list. ### ... from Mac & Linux Command Line cd$HOME/.vscode/extensions
git clone https://github.com/goessner/mdmath.git
cd mdmath
npm install


### ... from Windows Command Line

cd  %USERPROFILE%\.vscode\extensions
git clone https://github.com/goessner/mdmath.git
cd mdmath
npm install


## Usage

• Launch VS Code, create or open a markdown file (.md).
• Open a preview window.
• Typeset in your markdown source window and see the preview window live updating.
• Press Ctrl+K , or run the command Save Markdown+Math to HTML to save the corresponding HTML source to the file system.
• Press Ctrl+K . or run the command Clip Markdown+Math to HTML to copy the corresponding HTML source to the underlying systems clipboard.
• Press Ctrl+K T or run the command Insert Table of Content to insert a generated Table of Content at cursor location.

## User Settings

### Default Settings

  "mdmath.delimiters": "dollars",
"mdmath.macros": {},
"mdmath.macroFile": "",
"mdmath.savePath": "./${file.name}.html", "mdmath.autosave": false, "mdmath.style": "", "mdmath.theme": "default", "mdmath.silent": false, "mdmath.outerspace": false ### Example Settings ## Dependencies ## FAQ • How to define my own CSS file for HTML export ? • Define it by the user setting mdmath.style as an absolute URL. So for an example you might choose mdmath.style: "file://c:/mystyle/mystyle.css" with windows. • How to define and use macros ? • Define them in user settings. For example ... "mdmath.macros": { "\\RR": "\\mathbb{R}", "\\vek": "{\\begin{pmatrix}#1\\\\#2\\end{pmatrix}}" } • Use them in your markdown document. For example ... Vectors in$\RR^2$have a shape of $$\vek{x}{y}$$  • BTW: KaTeX now supports \R natively, so macro \RR makes sense only for demonstration reasons. • Macros not working? • Be sure to have at least version 2.7.4 installed. • Be sure to have closed and opened VSCode again after having changed settings. • Due to possible macro collision with extension Markdown All In One disable "markdown.extension.math.enabled": false, there. • How to define macros in a user macro file? • Create a JSON file containing the macros and define its path in user settings. For example ... "mdmath.macroFile": "c:/myfiles/mymacros.json" • Define the macros the same way as in the user settings. • User macro definition file has priority over user defined macro settings, which are ignored then. • Are there global predefined macros ? • No. Macros are user defined with user settings mdmath.macros. So they are available in all user specific markdown documents. • Can I write the HTML source to a file ? • Yes. Use the Markdown: Save Markdown+Math to Html command or the key binding Ctrl+K,. • The Html file is written to the folder where the markdown file resides in. This is the default. • You can change the destination folder by specifying a relative path to your working directory with the help of the user setting mdmath.savePath. So for an example you might choose mdmath.savePath: "./html/${file.name}.html".
• Can I synchronously let the HTML source file update ?

• Yes. Simply set the user setting mdmath.autosave: true for this (default is false).
• Now, whenever you save your markdown file, the corresponding Html file is also saved.
• The destination folder mdmath.savePath is used for this.
• Be sure to have closed and opened VSCode again after having changed settings.
• Formula highlighting is broken ?

• It is implemented only for $ delimiters at present. • $ characters in markdown text are sometimes confused with math delimiters. Enclose them by backticks () then.
• Formula highlighting is possible only for formulas on a single line. It breaks with every newline character.
• Math highlighting is completely different from LaTeX math parsing.
• Which functions does KaTeX support ?

• What if I need to use the currency symbol $ also in my markup ? • It should be safe to use it. If in doubt escape it. • What are the restrictions with inline formulas ? • Whitespace after opening $ and before closing $ is not allowed. • Numeric character before opening $ and after closing \$ is not allowed.
• At least one character (whitespace ?) is required between two consecutive inline formulas.
• Line break inside is not allowed.
• What are the restrictions with display formulas ?

• Not allowed inline of text.
• Not allowed inside of tables. Use inline math there instead.
• Blank lines before and behind required.
• Restrictions for inline formulas do not apply.
• Can I use math markup in blockquotes ?

• We can use inline and display formulas in blockquote sections.
• Multilevel blockquote sections work as expected.
• Can I use math markup in code blocks ?

• No, math markup in code blocks is shown - as expected - as markup. This is consistent now, but in contrast to mdmath versions prior to 2.0.
• Can I access the HTML source of the markdown file ?

• Yes. Use the Markdown: Clip Markdown+Math to Html command or the key binding Ctrl+K..
• The markdown preview window has to be opened once for this in order to function properly.
• You need to have the markdown source window activated here (not the preview window!).
• Please note, that the resulting HTML source references 'CDN'-located remote css files. Change those references to local URL's if necessary.
• Is PDF output supported ?

• Not directly. In order to create *.pdf output from your Markdown you can create a *.html document first and print it then using a PDF printer or use Pandoc.
• See Compiling Markdown into HTML.
• Can I use custom CSS styles for the preview window ?

• Yes. Set mdmath.style in user settings to the location of your custom CSS file. Its path must be relative to this extension root.
• Can we store Latex macros with mdmath ?

• Yes, there is a new section mdmath.globalMacros in package.json. Try to expand it with your own macros.

## Thank You

The following folks helped to make mdmath even better.

• rjmigliori: Found naming collision with Markdown All In One regarding macros.
• elviswolcott: Implemented the feature of directly saving HTML to the file system including autosave ability.
• colinfang: helped with implementing macros for mdmath 2.3.5.
• lincr: Helped with fixing problems with mdmath.clipToHtml under Ubuntu.
• TonySFU: Helped with fixing encoding problems with Chinese language under macOS when using mdmath.clipToHtml.
• floatdrop: Verifying that clipboardy is a better alternative to copy-paste by implementing.
• zhanglix: Helped with fixing the newline bug with gitlab` delimiters.

## Changelog

LaTeX Math for Markdown inside of Visual Studio Code.

## Releases 5

Version 2.7 Latest
Jun 7, 2021

## Packages 0

No packages published