Markdown 是一种轻量级纯文本格式语法的修饰语言，可以轻松转换成 HTML 和其他很多种格式。Markdown常用于格式化 readme 文件，在网络论坛中编辑消息，以及使用纯文本编辑器创建富文本内容。由于Markdown的初步描述包含含糊不清和未解答的问题，所以多年来，Markdown出现了许多实现和扩展来回答这些问题
> Markdown is a lightweight markup language with plain text formatting syntax. It is designed so that it can be converted to HTML and many other formats using a tool by the same name.[8] Markdown is often used to format readme files, for writing messages in online discussion forums, and to create rich text using a plain text editor. As the initial description of Markdown contained ambiguities and unanswered questions, many implementations and extensions of Markdown appeared over the years to answer these issues.
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> For the marketing term, see [Price markdown](https://en.wikipedia.org/wiki/Price_markdown).
> **Markdown** is a [lightweight markup language](https://en.wikipedia.org/wiki/Lightweight_markup_language) with plain text formatting syntax. It is designed so that it can be converted to [HTML](https://en.wikipedia.org/wiki/HTML) and many other formats using a tool by the same name.[[8\]](https://en.wikipedia.org/wiki/Markdown#cite_note-8)Markdown is often used to format [readme files](https://en.wikipedia.org/wiki/README), for writing messages in online discussion forums, and to create [rich text](https://en.wikipedia.org/wiki/Formatted_text) using a [plain text](https://en.wikipedia.org/wiki/Plain_text) [editor](https://en.wikipedia.org/wiki/Text_editor). As the initial description of Markdown contained ambiguities and unanswered questions, many implementations and extensions of Markdown appeared over the years to answer these issues.
