check_ycp
checks the file header for presence of at least one of
Author:
Authors:
Maintainer:
Maintainers:
If found, each entry is checked for some contents, i.e. it may not be completely empty (but use whitespace as you like).
The contents must include something that looks like an e-mail address.
There must be at least one person to contact when there are any problems or questions about the module. The full name is desired, but at least an e-mail address must be there to get in contact with the maintainer or the author.