Usage: <TT>@features [<name>] [for <player>]</TT>
List all of <player>'s features matching <name>, or all of <player>'s features if <name> is not supplied. <player> defaults to you.
See help on:
?features? -- general information about features
?@addfeature? -- add a feature to your list
?@rmfeature? -- remove a feature from your list
?features-prog? -- how programmers can interface with features