Header 1,Header 2,Header 3,Header 4
GOOD_MORNING,"Good Morning","Guten Morgen","Bonjour"
GOOD_EVENING,"Good Evening","",""""""
Without quotes,"With, comma","With ""inner"" quotes","With ""inner"", quotes"","" and comma","With ""inner
split"" quotes and
line breaks","With \nnewline chars"
Some other~delimiter~should still work, shouldn't it?
What about tab separated lines, good?