# on package load, attempt to unload docs
try
  pkg_dir = fileparts (fullfile (mfilename ("fullpath")));
  doc_file = fullfile (pkg_dir, "doc", "dicom.qch");
  if exist(doc_file, "file")
    if exist("__event_manager_unregister_documentation__")
      __event_manager_unregister_documentation__ (doc_file);
    elseif exist("__event_manager_unregister_doc__")
      __event_manager_unregister_doc__ (doc_file);
    endif
  endif
catch
  # do nothing
end_try_catch
