Wikipedia:Articles for deletion/Extensibility pattern
This reads like an Wikipedia:What Wikipedia is not#Wikipedia is not a publisher of original thought|essay and seems to contain ; the rest does seem somewhat like a how-to manual.  Wikipedia is an encyclopedia, not this. See Wikipedia:What Wikipedia is not. Extensibility is a concern in program design, but "design pattern" and  "extensibility pattern" do not appear to be Jargon|terms of art in the field. Not withstanding the article Hummes, Jakob, and Bernard Merialdo. 2000 "http://www.isislab.it/wp-content/uploads/2014/06/Hummes2000.pdf Design of extensible component-based groupware." ''Computer Supported Cooperative Work'' (CSCW) 9.1: 53-74. The term appears with more regularity in biology and medicine, usually with respect to muscles and other flexible articulata. &nbsp
— User:Bejnar, 20:07, 18 December 2015 (UTC)
Stance: delete
Cited policy: WP:OR (Wikipedia:No original research)