ODFF: PMT PayType parameter should be Logical, and Nper constraint?

Hi,

6.12.36 PMT
[ ; Number PayType = 0 ]
should be
[ ; Logical PayType = FALSE() ]
instead, and
"
PayType: the type of payment, defaults to 0. It is 0 if payments are due
         at the end of the period; 1 if they are due at the beginning of
         the period. With PayType=1 the first payment is made on the
         same day the loan is taken out.
"
should be
"
PayType: the type of payment, defaults to FALSE(). It is FALSE() if
         payments are due at the end of the period; TRUE() if they are
         due at the beginning of the period. With PayType=TRUE() the
         first payment is made on the same day the loan is taken out.
"


Furthermore, LibreOffice, Excel and Gnumeric treat the Nper parameter
with constraint Nper != 0 instead of Nper > 0. If and how much sense it
makes to have Nper < 0 is beyond my financial background..

  Eike

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