Editing Colon (punctuation) (section)

===Appositive===
:''Luruns could not speak: he was drunk.''<ref>Example quoted in [https://web.archive.org/web/20061209020735/http://eatsshootsandleaves.com/eslguide.pdf ''An Educational Companion to ''Eats, Shoots & Leaves] by Lynne Truss</ref>

An appositive colon also separates the [[subtitle (titling)|subtitle]] of a work from its principal title. (In effect, the example given above illustrates an appositive use of the colon as an abbreviation for the conjunction "because".) Dillon has noted the impact of colons on scholarly articles,<ref>{{cite journal |last1=Dillon |first1=J. T. |date=1981 |title=The emergence of the colon: An empirical correlate of scholarship. |journal=American Psychologist |volume=36 |issue=8 |pages=879–884 |doi=10.1037/0003-066x.36.8.879}}</ref><ref>{{cite journal |last1=Dillon |first1=J. T. |date=1982 |title=In Pursuit of the Colon: A Century of Scholarly Progress: 1880-1980 |jstor=1981541 |journal=The Journal of Higher Education |volume=53 |issue=1 |pages=93–99 |doi=10.2307/1981541}}</ref> but the reliability of colons as a predictor of quality or impact has also been challenged.<ref>{{cite journal |last1=Townsend |first1=Michael A.R. |date=1983 |title=Titular Colonicity and Scholarship: New Zealand Research and Scholarly Impact |url=http://www.psychology.org.nz/wp-content/uploads/NZJP-Vol121-1983-7-Townsend.pdf |journal=New Zealand Journal of Psychology |volume=12 |pages=41–43 |access-date=2017-04-20 |archive-date=2017-04-09 |archive-url=https://web.archive.org/web/20170409003450/http://www.psychology.org.nz/wp-content/uploads/NZJP-Vol121-1983-7-Townsend.pdf |url-status=live}}</ref><ref>{{cite journal |last1=Lupo |first1=James |last2=Kopelman |first2=Richard E. |date=1987 |title=Punctuation and publishability: A reexamination of the colon. |journal=American Psychologist |volume=42 |issue=5 |pages=513 |doi=10.1037/0003-066x.42.5.513.a}}</ref> In titles, neither needs to be a complete sentence as titles do not represent [[wikt:expository|expository]] writing:

:''Star Wars Episode VI: Return of the Jedi''