0.2. Conventions Used in This Book
The following typographical conventions are used in this book:
- Constant width
-
is used to indicate HTML tags, code examples, and keyboard commands.
- Constant width italic
-
is used to indicate replaceable text in code.
- Italic
-
is used to indicate variables, filenames, directory names, URLs, and glossary terms.
NOTE
This designates a note, which is an important aside to its nearby text.
WARNING
This designates a warning relating to the nearby text.
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| 0. Preface |  | 0.3. Request for Comments |
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