yaml 格式的

The following content applies to this site, the built with hugo , theme Stack
If the different languages or frameworks, it is only for reference of other readers.

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---
title: "title"
description: "description"
author: yuki
date: 2021-12-02T13:42:48+08:00
image: https://test.jpg
license: 
math: true
toc: false
slug: test
comments: true
categories: ["syntax"]
tags: ["frontmatter","markdown"]
keywords: ["Frontmatter","markdown"]
readingTime: true
expiryDate: 2023-07-18
hidden: false
draft: false 
---

• --- marks the start and end of symbols
• title: The title of the page.
• description: : Provide a short description or summary of the page.
• author: The author or list of authors of the page.
• date: The date of the page.
• image: : Set the header image or thumbnail of the page.
• license: The license for the page. If set to false, the license section will be hidden. Default: .Site.Params.Article.License.Default
• math: Enable/disable KaTeX rendering.
• toc: Show/hide the table of contents of the page. Default: .Site.Params.Article.toc
• slug: : Set the custom part of the URL address of the page.
• comments: Show/hide the comments section of the page.
• categories: Categorize pages into specific categories.
• tags: Add tags to the page.
• keywords: Keywords of the page. Useful for SEO.
• readingTime: Show/hide the reading time of the page, if false, it will not be displayed in the blog. Default is .Site.Params.Article.ReadingTime
• expiryDate: After this date, the content will not be published by hugo.
• hidden: is hidden, if true, it will not be displayed.
• draft: : Whether to draft, if true, it will not be displayed in the blog.

Note the colons and spaces

math format

$$ x=\frac{-b\pm\sqrt{b^2-4ac}}{2a} $$

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$$
x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}
$$

reference

https://stack.jimmycai.com/writing/frontmatter
https://www.andbible.com/post/hugo-content-management-front-matter/