(id alarm)
(description "[R6RS, R7RS]")

(id backspace)
(description "[R6RS, R7RS]")

(id delete)
(description "[R6RS, R7RS]")

(id esc)
(description "[R6RS]")

(id escape)
(description "[R7RS]")

(id linefeed)
(description "[R6RS]")

(id newline)
(description "[R6RS, R7RS]")

(id nul)
(description "[R6RS]")

(id null)
(description "[R7RS")

(id page)
(description "[R6RS]")

(id return)
(description "[R6RS, R7RS]")

(id space)
(description "[R6RS, R7RS]")

(id tab)
(description "[R6RS, R7RS]")

(id vtab)
(description "[R6RS]")