directories=The `documentation` directory shall contain a directory `diagrams`. The `documentation` directory should optionally contain the following files in html format (with file extension .html) or markdown format (with file extension .md): creators.html, contributors.html, abstract.html, description.html, examples.html, references.html, and acknowledgement.html. These optional files shall conform to the documentation specification as defined in clause 9.7.1 in TS 103 673.
ioexception=Error while checking the `documentation` directory.

