this may be a troff issue, but the tables of units, matrix, etc that look great in the PDF don't render in my man:
❯ man orpie
/usr/bin/tbl:<standard input>:80: end of data in middle of text block
/usr/bin/tbl:<standard input>:80: giving up on this table
... repeated for various lines
this may be a troff issue, but the tables of units, matrix, etc that look great in the PDF don't render in my man: