K.3 Conventions: Symbols

The following table explains the symbols used in this manual:

Symbol	Convention
`\|`	In syntax explanations, a vertical bar separates multiple items, and has the meaning of OR. For example: `A\|B\|C` means `A`, or `B`, or `C`.
`{ }`	In syntax explanations, curly brackets indicate that only one of the enclosed items is to be selected. For example: `{A\|B\|C}` means only one of A, or B, or C.
`[ ]`	In syntax explanations, square brackets indicate that the enclosed item or items are optional. For example: `[A]` means that you can specify `A` or nothing. `[B\|C]` means that you can specify `B`, or `C`, or nothing.

Symbol

Convention

|

In syntax explanations, a vertical bar separates multiple items, and has the meaning of OR. For example:

A|B|C means A, or B, or C.

{ }

In syntax explanations, curly brackets indicate that only one of the enclosed items is to be selected. For example:

{A|B|C} means only one of A, or B, or C.

[ ]

In syntax explanations, square brackets indicate that the enclosed item or items are optional. For example:

[A] means that you can specify A or nothing.

[B|C] means that you can specify B, or C, or nothing.