Unicode and Latin-1 have:
VERTICAL BAR: 124
BROKEN BAR: 166
I believe that in the original ASCII, 124 was called vertical line, but many
printers
displayed it as a broken line. In the IBM PC-DOS code set 850, code 124
became
broken line, while in Latin-1 it remained as vertical bar with the new code
166
(your minus 90) being allocated to broken bar.
This means that software that is converting files between Latin-1 (or
UNICODE, or
Microsoft "ANSI") and PC-DOS code page 850 ought to perform a conversion on
these characters.
Mike Kay