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Perl in a Nutshell

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Typographical Conventions

Italics

are used for filenames, program names, URLs, command-line options, email addresses, replaceable text in syntax lines, and to introduce new terms.

Letter Gothic

is used for code snippets, method and function names, text to be typed literally, variables, constants, mail headers, and configuration directives.

Letter Gothic italics

are used for replaceable items in code examples.


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