| This book uses the following conventions: | Convention | Usage | | Italic | New terms being defined. Also, in syntax statements, where you should substitute a value of your own choosing. | | Monospace | Commands, syntax, options, and so on, as well as Internet addresses, such as www.a-coda.com . | | | A code continuation character is inserted into code when a line shouldn't be broken, but we simply ran out of room on the page and had to continue the code to the next line. | |