COBOL code seems to live in 72 columns, with the last 8 columns of a punch card were 'free for programmer use'. Now I am wondering if somehow, some ancient COB

COBOL code seems to live in 72 columns, with the last 8 columns of a punch card were 'free for programmer use'. Now I am wondering if somehow, some ancient COBOL limit ended up in git because every tool picked it up as convention from an older tool.