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Conventions Used in This Book

The following typographical conventions are used in this book:

Constant width: is used to indicate HTML tags, code examples, and keyboard commands
Constant italic: is used to indicate variable text in code.
Italic: is used to indicate variables, filenames, directory names, URLs, and glossary terms.

Note

This icon designates a note, which is an important aside to its nearby text.

Warning

This icon designates a warning relating to the nearby text.

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