Changes to win32 between r2 and r3

'''Really just [Microsoft Windows]'''

Although the name implies that the CPU word size is 32-bits, this term is probably used in such a way that it is equally applicable to [Microsoft Windows] on 64-bit CPUs (Win64) as well.

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[@include Microsoft Windows]

Legend

     Only in r2
     Only in r3
     -->      Modified slightly between r2 and r3