Deletion of Extensibility pattern

Comment: to extensibility. A |quick search does not turn up any sources that corroborate this article's treatment of several well-known software extensibility technologies (covered in other articles) as a single software design pattern, so the article is a |how-to guide masquerading as an encyclopedic article by the addition of a |novel lede
Stance: merge
Cited policy: Wikipedia:Articles for deletion (WP:BEFORE||WP:NOTHOWTO||WP:OR)

Comment: 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
Stance: delete
Cited policy: Wikipedia:No original research (WP:OR)