BASIC Stamp Manual 2.2 Error?

in BASIC Stamp
While looking up all the BS1 commands, I see the table on page 127 lists SHIFTIN and SHIFTOUT, but when I look up those commands the BS1 is not shown as supported.
Is the table of commands wrong and if so why has no one corrected it?
Comments
Nope, the BS1 did not have SHIFTIN or SHIFTOUT ... it had to be implemented ... Application Note #2 in the "BASIC Stamp Manual 1.7" <- Sorry mine is older than yours, here is an implementation of SHIFTOUT labeled "conv:"