# Typographical Conventions

The use of bold indicates that this word is used verbatim in the appropriate manner.

The use of italics indicates text that should be substituted with the appropriate value.

The use of `typewriter` font indicates code segments, typed commands or transcripts.

Underlined text is occasionally used for emphasis.

Text enclosed in square brackets, [such as this], indicates an optional parameter.

| The warning graphic indicates a potential area for error. Special care should be taken when working in these areas.
| The information graphic indicates advanced, non-essential information that may confuse the novice author. These may be safely skipped until you have a greater level of experience.

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