From the wonderful RedGuides Wiki

This command is added by EverQuest

Syntax Key
Notation Description
Text without brackets or braces Required items
<Text inside angle brackets> Placeholder for which you must supply a value
[Text inside square brackets] Optional items
Vertical bar (|) Separator for mutually exclusive items; choose one
{Text | inside | braces} Set of required items; choose one
Ellipsis () Items that can be repeated
Syntax /anonymous [on|off]
Description Toggle. When on, prevents others from seeing your class, level, race, guild, and current zone through /who and /who all queries. Common abbreviation: /anon



See also