Footnote 1:
The newline was chosen for convenience, but it would more exactly emulate the C argument semantics if the NUL character was used as the separator.

Footnote 2:
Communications of the ACM, July, 1970, page 415ff

Footnote 3:
Under the name “TILT” (“Texas Instruments Language Translator”), it was used on various TI computers during the 70s and 80s.

Footnote 4:
http://sourceforge.net/projects/gema/