Update README.md

Author: robertsource

README.md

@@ -1,47 +1,3 @@
-[TOCM]
+## The second largest heading
 
-[TOC]
-
-# Heading 1
-## Heading 2               
-### Heading 3
-#### Heading 4
-##### Heading 5
-###### Heading 6
-# Heading 1 link [Heading link](https://github.com/pandao/editor.md "Heading link")
-## Heading 2 link [Heading link](https://github.com/pandao/editor.md "Heading link")
-### Heading 3 link [Heading link](https://github.com/pandao/editor.md "Heading link")
-#### Heading 4 link [Heading link](https://github.com/pandao/editor.md "Heading link") Heading link [Heading link](https://github.com/pandao/editor.md "Heading link")
-##### Heading 5 link [Heading link](https://github.com/pandao/editor.md "Heading link")
-###### Heading 6 link [Heading link](https://github.com/pandao/editor.md "Heading link")
-
-#### 标题（用底线的形式）Heading (underline)
-
-This is an H1
-=============
-
-This is an H2
--------------
-
-### 字符效果和横线等
-                
-----
-
-~~删除线~~ <s>删除线（开启识别HTML标签时）</s>
-*斜体字*      `_斜体字_```
-**粗体**  __粗体__
-***粗斜体*** ___粗斜体___
-
-上标：X<sub>2</sub>，下标：O<sup>2</sup>
-
-**缩写(同HTML的abbr标签)**
-
-> 即更长的单词或短语的缩写形式，前提是开启识别HTML标签时，已默认开启
-
-The <abbr title="Hyper Text Markup Language">HTML</abbr> specification is maintained by the <abbr title="World Wide Web Consortium">W3C</abbr>.
-
-### 引用 Blockquotes
-
-> 引用文本 Blockquotes
-
-引用的行内混合 Blockquotes
+This site was built using [GitHub Pages](https://pages.github.com/).