Style Conventions
Items appearing in the book are sometimes given a special appearance to set them apart from the regular text. Here's how they look:
Italic Used for citations to books and articles, commands, email addresses, URIs, filenames, emphasized text, and first references to terms.
Constant width Used for literals, constant values, code listings, and XML markup.
Constant width italic Used for replaceable parameter and variable names.
Constant width bold
Used to highlight the portion of a code listing being discussed.
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