By default, all files with extension .org in the base directory are considered part of the project. This can be modified by setting the properties
|Extension (without the dot!) of source files. This actually is a
regular expression. Set this to the symbol |
|Regular expression to match file names that should not be
published, even though they have been selected on the basis of their
|List of files to be included regardless of |
|Non-nil means, check base-directory recursively for files to publish.