Oh where to begin...
1. Primary source rule. In this case, the description of the abilities takes priority over the general overview at the top of page 7 that you so cherish.
2. Swift actions are introduced in the Miniature's Handbook, and Immediate actions in the Expanded Psionics Handbook. They are referenced and defined in the Complete Arcane, Complete Mage Races of Destiny, and every other book that uses swift or immediate actions - quite a few by the end of 3.5E. There is never one single hint anywhere that there the a 1/round limit you are getting from the Rules Compendium text.
3. So, we are left to conclude that either the Rules Compendium is introducing a new rule, or that generalizations such as "humans have four limbs, five digits on each limb, and a brain" allow for cripples and politicians.
But let's say they used a swift on their turn at INIT 5, and then wanted to use an immediate right after INIT 3. Would this be acceptable?
i would say no of course if they use it at end of INIT 3 then that is the LAST action for the round they cant use both a swift at INIT 5 and an immediate at INIT 3-.1. If it is acceptable to use an immediate as the VERY last action then you must qualify meaning you must NOT have used your swift or immediate for the round... But lets say I used it at the top of the order then i cant use my swift during my turn and cant use my immediate until after my next turn whihc would be THIS round AFTER INIT count 5
So i am saying that it SEEMS there is a choice use either a swift or immediate... if you dont use a swift you can use an immediate BUT it uses your NEXT swift... After your NEXT TURN (not round) you can use a immediate again but it uses the swift for the next round etc... So no using BOTH a swift and an immediate in the SAME round BUT you can use immediates two rounds in a row JUST like you can use swift two rounds in a row....
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