=== 二级标题 (节)

[discrete]
===== 四级标题

[discrete]
==== 三级标题

---
- - -
***
* * *

[[link,label]] (1)
== 链接

[#link]
== 链接

<<link>>
<<#link>>
<<adoc-syntax#link>> + (1)
<<#link, 我的链接>>

link:#link[Alias]] +
link:#link[]

:experimental: (1)
选取菜单 menu:View[Zoom > Reset] + (2)
按下按钮 btn:[OK] + (3)
按下键盘 kbd:[F11] 以键盘宏来显示按钮 kbd:[OK] (4)

键盘左右键可用「符号替换」 +
kbd:[Ctrl , <-]，kbd:[Ctrl + ->] (5)

键盘上下键可用 Unicode +
kbd:[Ctrl,↑]，kbd:[Ctrl,↓]

一般::
kbd:[Ctrl,↑]，kbd:[Ctrl,↓]，kbd:[Ctrl,<-]，kbd:[Ctrl,->]

:big-arrow-up: pass:q[[big]#↑#]
:big-arrow-down: pass:q[[big]#↓#]
:big-arrow-left: pass:q[[big]#←#]
:big-arrow-right: pass:q[[big]#→#]

big::
kbd:[Ctrl,{big-arrow-up}]，kbd:[Ctrl,{big-arrow-down}]，kbd:[Ctrl,{big-arrow-left}]，kbd:[Ctrl,{big-arrow-right}]

Font Awesome `long-arrow-alt` (V5):: (1)
kbd:[Ctrl,icon:long-arrow-alt-up[\]]，kbd:[Ctrl,icon:long-arrow-alt-down[\]]，kbd:[Ctrl,icon:long-arrow-alt-left[\]]，kbd:[Ctrl,icon:long-arrow-alt-right[\]]

Font Awesome `arrow`::
kbd:[Ctrl,icon:arrow-up[\]]，kbd:[Ctrl,icon:arrow-down[\]]，kbd:[Ctrl,icon:arrow-left[\]]，kbd:[Ctrl,icon:arrow-right[\]]

// Define unicode for Apple Command key.
:commandkey: ⌘
kbd:[{commandkey} + A] (1)

// Define unicode for Windows Command key.
:commandkey: ❖
kbd:[{commandkey} + A]

:commandkey: ⊞
kbd:[{commandkey} + A]

网址为 \https://asciidoctor.org/docs/user-manual/ + (1)
`+**星星**+`。 + (2)
+**星星**+ 。 + (3)
pass:[**星星**]。 +
+++<u>underline me</u>+++ + (4)
pass:[<u>underline me</u>] (4)

* deep 1
** deep 2
*** deep 3
**** deep 4
***** deep 5
* deep 1

[square]
* one
* two
* three

. Order 1
. Order 2
.. Order 2a
.. Order 2b
. Order 3

. Order 1

[start=3]
. Order 3
. Order 4

[%reversed]
. Order 3
. Order 2
. Order 1

- [*] checked
- [x] checked
- [ ] unchecked
-     normal

如果是行内的 icon:check-square-o[] checked 可采用 `+icon:check-square-o[] checked+`， +
icon:square-o[] unchecked 则为 `+icon:square-o[] unchecked+`。

[options="interactive"]
.[options="interactive"]
* [x] Milk 请按我取消打勾
* [*] Chocolate
* [ ] Sugar

CPU:: The brain of the computer.
Hard drive:: Permanent storage for operating system and/or user files.

[horizontal]
CPU:: The brain of the computer.
Hard drive:: Permanent storage for operating system and/or user files.

Operating Systems::
  Linux:::
    . Fedora
      * Desktop
    . Ubuntu
      * Desktop
      * Server
  BSD:::
    . FreeBSD
    . NetBSD

----
Callouts <1>
----
<1> Callouts

接续的描述列表:: 本段会接续 Callouts，空行并无作用。

//
分开的描述列表:: 如果要分开，增加空行及注解来解决。

[source,ruby]
----
require 'sinatra' <1>

get '/hi' do <2> <3>
  "Hello World!"
end
----
<1> Library import
<2> URL mapping
<3> Response block

[source%nowrap,ruby]
----
----

.Title (这是范例)
====
Example
====

.Title (这是范例)
****
Sidebar
****

.NOTE, TIP, WARNING, CAUTION, IMPORTANT

Admonition demo

NOTE: Note

TIP: Tip

WARNING: Warning

CAUTION: Caution

IMPORTANT: Important

.Title
TIP: Tip

.Title
[TIP]
====
Tip1 +
Tip2
====

[quote, 作者 (选项), 出处 (选项)]
____
行1
行2
____

.诗句 (Verse)
[verse, 作者 (选项), 出处 (选项)]
____
行1 (1)
行2
____

NOTE: 无外框

====
NOTE: 外框为范例区块
====

****
NOTE: 外框为花絮区块
****

==== (1)
第一层
===== (2)
第二层
===== (2)

**** (1)
花絮区块 (第二层)
***** (2)
花絮区块 (第三层)
***** (2)
**** (1)

---- (1)
原代码区块
----- (2)
原代码区块，不支持多层。
----- (2)
---- (1)
====

= Doc Title (1)
ifndef::backend-pdf[]
++++
<style>
h1, h2, h3 {
  background-color: red;
}
</style>
++++
endif::[]

++++
<u>underline me</u> is underlined.
++++

----
Source block

line3
----

[source] (1)
--
Source block

line3
--

[source] (1)
Source block

line3 (2)

|===
|R1C1 |R1C2

|R2C1 |R2C2
|===

[cols="5,3*m"]
|===
|Column 1 |Column 2 |Column 3 |Column 4

|Cell in column 1
|Cell in column 2
|Cell in column 3
|Cell in column 4
|===

[cols=3*]
|===
2+|跨栏 (R1C1~R1C2) (1)
|R1C3
.2+|跨行 (R2C1~R3C1) (2)
|R2C2 |R2C3
|R3C2 |R3C3
2.2+|跨行跨栏 (R4C1~R5C2) (3)
|R4C3
|R5C3
3*^m|重复栏 (R6) (4)
|===

[format=csv]
|===
Artist,Track,Genre

Baauer,Harlem Shake,Hip Hop
The Lumineers,Ho Hey,Folk Rock
|===

[cols="1,2a"]
|===
| R1C1 | R1C1
| R2C1 |
[cols="2,1"]
!===
! R1C1 ! R1C2
! R2C1 ! R2C1
!===
|===

.The print command
[cols="a",frame="none",grid="none"]
|===
|
Print text to screen.

.print example
----
print "Hello World"
----
|===

[cols="2,~a",frame="none",grid="none"]
|===
||
.Another method
----
print 'Hello World'
----
|===

|====
|image:images/winlin/sunset.jpg[]
|image:images/winlin/sunset.jpg[]
<.^|Sunset pictures
^|Left |Center |
|====

image::images/winlin/sunset.jpg[Sunset,160,align=left]
image::images/winlin/sunset.jpg[Sunset,160,align=center]
image::images/winlin/sunset.jpg[Sunset,160,align=right]

image:images/winlin/sunset.jpg[Sunset,100, role=left, title="role=left"]
image:images/winlin/sunset.jpg[Sunset,100, role=left, title="role=left"]
image:images/winlin/sunset.jpg[Sunset,100, role=right, title="role=right"]
image:images/winlin/sunset.jpg[Sunset,100, role=right, title="role=right"]
image:images/winlin/sunset.jpg[Sunset,80, role=thumb, title="role=thumb"]
image:images/winlin/sunset.jpg[Sunset,80, role=thumb, title="role=thumb"]
image:images/winlin/sunset.jpg[Sunset,60, role=related, title="role=related"] (1)
image:images/winlin/sunset.jpg[Sunset,60, role=related, title="role=related"]

[.float-group]
--
[.left]
.Image Left (Inline Image)
Left image:images/winlin/sunset.jpg[Sunset,160] Right +
Bottom

.Image Right (Block Image)
[.right]
image::images/winlin/sunset.jpg[Sunset,160]
--

[.float-group]
--
image::images/winlin/sunset.jpg[Sunset,100,float=right]
文绕图说明 ...
--

:变量名称: 变量内容
{变量名称}

:long-value: 变量内容太长时采用 \
作为换行符，引用时换行符不可见。

:hard-line-breaks: 变量内容太长时采用 + \
强制换行

ifdef::backend-docbook5[]
只在编译 docbook 才有本内容。
endif::[]

ifndef::backend-docbook5[]
编译 非 docbook 的其他类型时才有本内容。
没有 else 的功能，采用两组 ifdef ifndef 来处理
endif::[]

:toc: macro (1)
:toc-title: (2)
= 我的书

== 前言
说明 ++:toc: macro++ 用法

== 我的目录
toc::[] (3)

== 第一章