The first file located is loaded. The FirstBase keyboard map is a list of keyboard keystrokes, or sequences , and Editable Input commands, or actions . Blanks and tabs are used to separate the sequence and action parts of each setkey line. Each sequence is a series of characters delimited with double quotations. The first character of each sequence must be some kind of control character.
Subsequent characters can be of any type.
Function keys and arrow keys are in this category. A sequence can be as long as needed. Furthermore, multiple sequences can be bound to the same action . The action part of a setkey line represents a FirstBase signal or an intraline editing command. Each action is a single word, or set of hyphenated words with no blanks.