| The following conventions are used in this book: - Italic
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Used for program names, example URLs, and database entities, and for new terms when they are defined. - Constant width
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Used for code examples, functions, statements, and attributes, and to show the output of commands. - Constant width italic
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Used to indicate variables within commands and functions. Constant width bold -
Used to indicate emphasis in program code.
| This icon designates a note, which is an important aside to the nearby text. |
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| This icon designates a warning relating to the nearby text. |
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