# Markdown
Headway uses Markdown for formatting.
## Headers
```
# This is an tag
## This is an tag
### This is an tag
#### This is an tag
##### This is an tag
###### This is an tag
```
## Emphasis
```
*This text will be italic*
_This will also be italic_
**This text will be bold**
__This will also be bold__
_You **can** combine them_
```
## Lists
### Unordered
```
* Item 1
* Item 2
* Item 2a
* Item 2b
```
### Ordered
```
1. Item 1
2. Item 2
3. Item 3
* Item 3a
* Item 3b
```
## Media
### Images
```
Format: 
```
### Video
Loom, YouTube, Vimeo, and Wistia videos are embedded automatically when entered in a new line, or at the end of one. For example:
```
Video at the end of line: https://www.youtube.com/watch?v=Xe53-xzKU0U
Video in a new line:
https://www.loom.com/share/d90264426d4848be9c8112fd51841336
```
To prevent a video link from being automatically embedded, wrap it as a link like this:
```
[https://www.youtube.com/watch?v=Xe53-xzKU0U](https://www.youtube.com/watch?v=Xe53-xzKU0U)
```
Videos can also be embedded using the same syntax as images:
```
Format: 
Examples:
```
### Sizing images and video
Media sizing can be done with the additional `=` option:
```
 simple, assumes units are in px
 sets the height to "auto"
 Image with width of 80% and height of 5em
```
## Links
```
http://headwayapp.co - automatic!
[Headway](http://headwayapp.co)
```
## Blockquotes
```
> We're living the future so
> the present is our past.
```
## Inline code
```
I think you should use an `window.HW_config` instead.
```
## Code blocks
### Simple code block
````
```
function someFunction(arg){
if (arg){
// do something
}
}
```
````
### Syntax Highlighting
````javascript
```javascript
function someFunction(arg){
if (arg){
// do something
}
}
```
````
---
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If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://docs.headwayapp.co/markdown.md?ask=
```
The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.
Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.