ADD DOCUMENT 'line one' 'line two' ... 'last line' .
ADD DOCUMENT adds one or more lines of descriptive commentary to
the active dataset. Documents added in this way are saved to system files.
They can be viewed using
SYSFILE INFO or
DOCUMENTS. They can be removed from the active dataset with
Each line of documentary text must be enclosed in quotation marks, and may not be more than 80 bytes long. See DOCUMENT.