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This page is about the "Technical Article" proposal for schema.org. The proposal is in a PDF; see attached file.
TechArticle schema.org proposal
This proposal is a collaborative work towards a Technical Article schema. It defines a use of several properties of Thing and CreativeWork, and Article for use with Technical Articles. It defines a class TechArticle with three properties, and a subclass, APIReference (with four properties).
Proposal PDF: File:Schema.org TechArticle v2.7.pdf