Conventions Used in This Book
The following typographical conventions are used in this book:
- Italic
-
Indicates new terms, URLs, email addresses, filenames, and file extensions
Constant width
-
Used for program listings, as well as within paragraphs to refer to program elements such as variable or function names, databases, data types, environment variables, statements, and keywords
Constant width bold
-
Shows commands or other text that should be typed literally by the user
Constant width italic
-
Shows text that should be replaced with user-supplied values or by values determined by context
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