Editing XUL (section)

==''Ghostbusters'' reference ==
XUL contains a reference to the 1984 film ''[[Ghostbusters]]''.<ref name="Frederick-2010"/> The film's antagonist is the fictional deity Zuul, the Gatekeeper.<ref name="Garcia-Ventura-2020">{{cite book |last1=Garcia-Ventura |first1=Agnes |last2=Verderame |first2=Lorenzo |title=Receptions of the Ancient Near East in Popular Culture and Beyond |date=1 March 2020 |publisher=Lockwood Press |isbn=978-1-948488-25-9 |pages=109 |url=https://books.google.com/books?id=-E7VDwAAQBAJ&dq=%22XUL%22+%22zuul%22&pg=PA109 |language=en}}</ref> Zuul [[Spirit possession|possesses]] the character Dana Barrett and declares: "There is no Dana. There is only Zuul."<ref name="Quinlan-2014">{{cite web |last1=Quinlan |first1=Erin |title='Ghostbusters' turns 30: Revisit film's supernatural wisdom |url=https://www.today.com/popculture/ghostbusters-turns-30-revisit-films-supernatural-wisdom-2d79768136 |website=Today |access-date=25 May 2024 |language=en |date=6 June 2014}}</ref><ref name="Frederick-2010"/> The creators of XUL, pronounced the same as Zuul,<ref name="Holzner-2001">{{cite book |last1=Holzner |first1=Steven |title=Inside XML |date=2001 |publisher=New Riders |isbn=978-0-7357-1020-7 |page=47 |url=https://books.google.com/books?id=olpC8FqAQpEC&dq=%22XUL%22+%22zuul%22&pg=PA47 |language=en}}</ref> made the slogan, "There is no data. There is only XUL!".<ref>{{Cite web|url=https://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul|title=Mozilla XML Namespace|website=www.mozilla.org}}</ref> The slogan and Zuul as a gatekeeper are referenced in XUL's [[XML namespace]] [[Uniform Resource Identifier|URI]] and were previously present in all Firefox add-ons:<ref name="Frederick-2010">{{cite book |last1=Frederick |first1=Gail |last2=Lal |first2=Rajesh |title=Beginning Smartphone Web Development: Building JavaScript, CSS, HTML and Ajax-based Applications for iPhone, Android, Palm Pre, BlackBerry, Windows Mobile and Nokia S60 |date=15 April 2010 |publisher=Apress |isbn=978-1-4302-2621-5 |page=23 |url=https://books.google.com/books?id=rLqJNQ3_hpsC&dq=%22There+is+no+data.+There+is+only+XUL!%22&pg=PA23 |language=en}}</ref>

{{blockquote
|text=<code><nowiki>http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul</nowiki></code>
|author=Mozilla<ref name="Frederick-2010"/>
}}