PRESPELLTYPE contradicts itself in the examples given.

Tag Name: PRESPELLTYPE:x,y=z
Variables Used : Number (Number of spells known).
Variables Used : Arcane (Arcane type spells).
Variables Used : Divine (Divine type spells).
Variables Used : Psionic (Psionic type spells).
Variables Used : ANY (Any type of spell).
Variables Used (z): Number (Spell level).
What it does:
Sets spell type requirements. (Number of spells known of a specific type and level.)
Use two, or more, PRESPELLTYPE tags if more than one spell type is required
Example:
PRESPELLTYPE:4,Arcane=5
Character must have at least four 5th level arcane spells to meet the requirement.
PRESPELLTYPE:1,Arcane=3,Divine=3,Psionic=3
Character must have at least one 3rd level spell from any of the "Arcane", "Divine", or "Psionic" types.
PRESPELLTYPE:1,Arcane=3 <tab> PRESPELLTYPE:1,Divine=3
Character must have at least one 3rd level "Arcane" type spell and one 3rd level "Divine" type spell.

Question is
PRESPELLTYPE:3,Arcane=3,Divine=3,Psionic=3 Valid? If so, why do we have a note saying - 'Use two, or more, PRESPELLTYPE tags if more than one spell type is required'