This formatter attempts to output TexInfo .info files. These can be compiled using other tools into man-pages, PDF files, info manuals, etc.
The DocBook formatter does not support any config options yet, however some command line options are still supported. Don't forget to set them using the "-Wf,-foo" syntax!
Specifies an output filename. The default is to send output to the console (stdout). You do not need to use the special syntax for this option.
Enables verbose operation.