The darktable user manual is largely outdated. Problem is it uses an esoteric kind of XML required by a brittle software stack (Saxon) to be compiled into HTML or PDF.
This complexity steers away many contributors.
But thanks to Chris Elston, @secretlifeofmatt and @paperdigits, it is being rewritten in Markdown with a better "tutorial" approach.
WIP : https://elstoc.github.io/dtdocs/
Contribute : https://github.com/elstoc/dtdocs
At some point you have to choose some tools and go for it. We choose a popular tool chain because its popular.
Why not asciidoc? Troff? Nroff? Latex? Our own custom XML format! This argument goes on and on
Server run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!