Conventions Used in This Book (Webmaster in a Nutshell, 3rd Edition)

0.2. Conventions Used in This Book

The following typographical conventions are used in this book:

Constant width: Indicates headers, directives, attributes, code examples, and HTML tags.
Constant width italic: Indicates variables in examples that should be replaced with user-supplied values.
Italic: Indicates variables, filenames, directory names, URLs, and comments in examples.
Bold: Indicates buttons and keys.