The following conventions are used in this book:
Used to emphasize new terms and concepts when they are introduced.
Used for method names in the text.
Constant
width
Used for code examples and any system output. It is also used for file, directory, function, and variable names, and for commands and URLs.
Constant width italic
Used in examples for variable input or output.
Constant width bold
Used in examples for user input and to highlight new code that is being inserted into existing code.
Used as shorthand to represent menu command choices. For example, choosing the Copy command from the Edit menu will be written Edit → Copy.
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