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Conventions

The following typographic conventions are used in this book:

Italic

is used for filenames and command names. It is also used for electronic mail addresses and URLs.

Constant Width

is used for code examples, as well as names of elements of code.

Bold

is used in code sections to draw attention to key parts of the program. It also marks user input in examples.

Courier Italic

is used in code sections to draw attention to code generated automatically by tools.