Here is a quick code reference for some common character and entity references.
| Symbol | Character Reference | Entity Reference | Description | |
| © | © | © | Copyright symbol | |
| ® | ® | ® | Registered trademark symbol | |
| ™ | ™ | ™ | Ttrademark symbol | |
| < | < | < | Less than symbol | |
| > | > | > | Greater than symbol | |
| & | & | & | Ampersand | |
| " |  | " | Double quote | |
| ' |  | ' | Apostrophe (single quote) | |
| £ | £ | £ | Pound sign | |
| € | € | € | Euro sign | |
| ¥ | ¥ | ¥ | Yen sign | |
| Space |   |   | ||
| Tab | 	 | 	 | ||
| New Line | 
 | \n | ||
| Carriage return | 
 | \b, <br> | ||
| Nonbreaking space |   | | &nbsp; | |
| ¢ | ¢ | ¢ | White Space | |