The ordered set of non-empty base paths to search for data files, in descending order of preference.
Subfolder which is appended to every path if not null.
Data directories, without user's one and with no duplicates. Note: This function does not check if paths actually exist and appear to be directories.
xdgAllDataDirs, xdgDataHome
See Implementation
The ordered set of non-empty base paths to search for data files, in descending order of preference.