Devhelp2 files are use in the 'devhelp' documentation browser. Known keyword types. Known programming languages. Sub tags for the hierarchy of the chapters and parts. The chapters tag encloses the structure of the reference manual. Each sub unit is represented by a sub tag. The keyword tag points to the documentation of a api symbol. Type of the keyword. Keyword name. Relative link for the keyword. Version since that the keyword is part of the API. Marks the keyword as deprecated. Document the stability status. The functions tag encloses all api symbols of the reference manual. Each sub unit is represented by a keyword tag. Toplevel element of a devhelp book. A devhelp book list the structure of a developer manual together with development related metadata. Title of the reference manual. Entry point to the manual. Can be given as a relative path to the location of the devhelp2 file. Author of the document. Multiple authors are separated by ','. Short name of the manual. Version of the devhelp xml specification (2). Programming language this manual refers to. URL for the online version of the docs.