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Preface > Conventions Used in This Book

Conventions Used in This Book

I use the following typesetting conventions in this book:


Italic

Used for emphasis and to signify the first use of a term. Italic is also used for URLs, host names, email addresses, FTP sites, file and directory names, and commands.


Constant width

Used for HTTP header names and directives, such as If-modified-since and no-cache.

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