0.3. Conventions Used in This Book
Items appearing in this book are sometimes given a special appearance to set them apart from the regular text. Here's how they look:
Used for citations of books and articles, commands, email addresses, and URLs
- Constant width
Used for literals, constant values, code listings, and XML markup
- Constant-width bold
Used to indicate user input
- Constant-width italic
Used for replaceable parameter and variable names
This icon represents a tip, suggestion, or general note.
- This icon represents a warning or caution.
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