* Surrounding with underscores:
* Surrounding with asterisks:
* Spacing:

Surrounding by underscores was also used for book titles:

Markup languages

Formatting can be marked by tags distinguished from the body text by special characters, such as angle brackets in HTML. For example, this text:

:The dog is classified as Canis familiaris in taxonomy.

is marked up in HTML thus:

The dog is classified as Canis familiaris in taxonomy.

The