Conventions Used in This Book
The following typographical conventions are used in this book: Italic
Indicates new terms, URLs, email addresses, filenames, file
extensions, pathnames, directories, daemons, programs, and Unix
utilities.
Constant width
Indicates commands, options, switches, variables, attributes, keys,
functions, types, classes, namespaces, methods, modules, properties,
parameters, values, objects, events, event handlers, XML tags, HTML
tags, macros, the contents of files, or the output from commands.
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.
Color
The second color is used to indicate a cross-reference within the
text.
The thermometer icons, found next to each hack, indicate the relative
complexity of the hack:
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