Conventions Used in This Book

The following font conventions are used in this book:

Italic

Used for file and directory names, commands, to emphasize new terms when first introduced, and for some comments within code sections

Constant width

Used for code listings and to designate modules, methods, options, classes, functions, statements, programs, objects, and HTML tags

Constant width bold

Used in code sections to show user input

Constant width italic

Used to mark replaceables

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