/** @page libdk4graa libdk4graa The libdk4graa library provides some replacement functions for libdk4gra functions containing dk4_app_t support, so the functions can write diagnostic messages when an error occurs. The API is defined in the following header files: Header | Purpose :----: | :-----: dk4graa.h | Opening, writing and closing graphics, drawing operations. dk4papea.h | Retrieving paper size information. dk4grcoa.h | Processing configuration files to set up graphics output details. */