Conventions Used in This Book (Perl & LWP)

0.5. Conventions Used in This Book

The following typographic conventions are used in this book:

Italic: Used for file and directory names, email addresses, and URLs, as well as for new terms where they are defined.
Constant width: Used for code listings and for keywords, variables, function names, command options, parameters, and bits of HTML source where they appear in the text.
Constant width bold: Used to highlight key fragments of larger code examples, or to show the output of a piece of code.
Constant width italic: Used as a general placeholder to indicate terms that should be replaced by actual values in your own programs.