Conventions (GNAT Reference Manual)

### 1.2 Conventions ¶

Following are examples of the typographical and graphic conventions used in this guide:

- `Functions`, `utility program names`, `standard names`, and `classes`.
- `Option flags`
- `File names`
- `Variables`
- ‘Emphasis’
- [optional information or parameters]
- Examples are described by text

      and then shown this way.

- Commands that are entered by the user are shown as preceded by a prompt string comprising the `$` character followed by a space.