strip lower-cased titles of accents etc to sort them
strip lower-cased titles of accents etc to sort them

titles will be converted to lower-casing first, then their accents, cedilla and umlauts are stripped into their single-character representations.

Fédéral -> federal
Bundesamt für Chüngelihaltig (BfHüpf) -> bundesamt fur chungelihaltig (bfhupf)

opendata-swiss/ckanext-switzerland,opendata-swiss/ckanext-switzerland,ogdch/ckanext-switzerland,ogdch/ckanext-switzerland,ogdch/ckanext-switzerland,opendata-swiss/ckanext-switzerland