Markdown basic grammar

Markdown grammar

1. title

#  First level title 
##  Secondary title 
###  Three level title 
####  The fourth level title 
#####  Five level titles 
######  Six level title 

The demonstration effect is as follows ：

2. list

2.1 Unordered list

- list1
- list2
- list3
    - ltem1
    - item2

The renderings are as follows ：

• list1
• list2
• list3
  • ltem1
  • item2

2.2 Ordered list

1. list1
2. list2
    2.1 list

The renderings are as follows ：

1. list1
2. list2
   2.1 list

3. Code

```php
$x = 1234
echo $x;
``
`

The effect is as follows ：

$x = 1234
echo $x;

4. form

|id|name|email|salary|
|---:|---:|---|---|
|1| Yang2 guo4 |yk.com| nothing |
|2|yk| Information .com| nothing |

： Align to whichever side , Both sides are aligned in the middle 
|-:| Align right 
|:-| Align left 
|:-:| Align center 

The renderings are as follows ：

id	name	email	salary
1	Yang2 guo4	yk.com	nothing
2	yk	Information .com	nothing

5. Pictures and links

5.1 picture

![ name ]( link )

The renderings are as follows ：

5.2 link

[ name ]( link )

The renderings are as follows ：

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