Convention | Usage |
|---|---|
Boldface | Indicates keywords, symbols, or punctuation that you must type as shown |
Italics | Indicates a variable name for which you must supply an actual value. This convention is used in explanatory text and syntax. |
Italic, underline | Indicates a variable name which can be used in a statement either dynamically (when you run the application) or statically (when you create the application) |
[ ] (square brackets) | Indicates an optional item |
{ } (curly braces) | Indicates an optional item that you can repeat as many times as appropriate |
| (vertical bar) | Indicates a list of mutually exclusive items (that is, you can select only one item from the list) |