Devhelp2 files are use in the 'devhelp' documentation browser. Known keyword types. Known programing languages. 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). Programing language this manual refers to. Type of the keyword. Version since that the keyword is part of the API. Marks the keyword as deprecated. Sub tags for the hierachy 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. 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.