implemented https://github.com/freme-project/Documentation/issues/206
implemented https://github.com/freme-project/Documentation/issues/206

freme-project/Documentation,freme-project/Documentation,freme-project/freme-project.github.io,freme-project/freme-project.github.io,freme-project/Documentation,freme-project/Documentation,freme-project/freme-project.github.io,freme-project/Documentation,freme-project/freme-project.github.io