Don't add comma between each ref character in merged fields
Don't add comma between each ref character in merged fields

E.g. for an extra field added with --fields Notes,
merged output should be something like

C1,C2: Note 1
C3,C4: Note 2

instead of

C,1,,C,2: Note 1
C,3,,C,4: Note 2

xesscorp/KiCost,hildogjr/KiCost,xesscorp/KiCost,hildogjr/KiCost,hildogjr/KiCost,xesscorp/KiCost