Quote Originally Posted by BobbyA
...The less comprehensive the books the more room for interpetation.
Does:

DEFINE BUTTON_PAUSE 10 mean that only 10 ms is the acceptable period.

DEFINE HSER_TXSTA 20h mean that 24h is an illegal number.

DEFINE OSC 4 mean that 3(3.58) 4 8 10 12 16 20 24 25 32 33 40 are the only acceptable numbers.

All of these are from the appendix you mention.
I agree,
in some things the Manual is not very clear.

The OSC Table is mentioned in Section 5.51 as well without clearly telling you these values are the only ones to be used, but it refers to the "Section on Speed".

and
Section 7.1 "How fast is fast enough" clearly says:

The acceptable oscillator definitions are...