# Even **MORE** ways to use PubWriter!
You can hide comments (viewable only in the source file), highlight text, strikethrough text, and more... This tutorial is a catch-all for tricks that didn't exactly fit elsewhere.
## Superscript
10
2
## Subscript
H
2O
## Telephone Number (Click to call)
Phone: (805) 711-1111
## Email address
## Hidden comments
You can add 'hidden text' on a page (i.e. comments) that you can only see in your source file, but they won't show up on your website! This is great for notes to yourself.
This is not a hidden comment!
## Block quotes
> This is a block quote (you just insert a `>` in front of the text).
## Plain text
When you start a line with 4 blank spaces, it will show up as plain text, link this!
## Highlight Text
Use the `` tag to highlight text.
You can specify the highlight color in css:
```
mark {
background-color: limegreen;
}
```
## Strikethrough
If you want to strikethrough a word, just use the `` tag.
## KBD style
1
2
A
B
⌘
🙏
Example:
Spell check: ⌘ + Shift + ;
> see more examples [here](https://read.pubwriter.com/shortcuts).
## Horizontal lines (aka breaks)
If you type `***` it will draw a horizontal line across the screen:
***
We can customize the break for your PubWriter site using a custom style:
## Folding Text
This is a collapsible section
We sometimes refer to this as folding text.
# Marquee
Want to draw attention to 'news flash'? Use a marquee!
Let's break down this down:
The first part `