%s/ä/"a/g
%s/Ä/"A/g
%s/ö/"o/g
%s/Ö/"O/g
%s/ü/"u/g
%s/Ü/"U/g
%s/ß/"s/g
%s/é/\\'e/g
%s/ç/\\c{c}/g
%s/&/\\&/g
%s/{\\\\  /{/g
%s/{\\\\ /{/g