<language, text, tool> (Lamport TeX) Leslie Lamport
<firstname.lastname@example.org>'s document preparation system built on
top of TeX. LaTeX was developed at SRI International's
Computer Science Laboratory and was built to resemble
LaTeX adds commands to simplify typesetting and lets the user
concentrate on the structure of the text rather than on
BibTeX is a LaTeX package for bibliographic citations.
Lamport's LaTeX book has an exemplary index listing every
symbol, concept and example in the book. The index in the,
now obsolete, first edition includes (on page 221) the
mysterious entry "Gilkerson, Ellen, 221". The second edition
(1994) has an entry for "infinite loop" instead.
["LaTeX, A Document Preparation System", Leslie Lamport, A-W
1986, ISBN 0-201-15790-X (first edition, now obsolete)].