removal of cruft from D

[Travis Boucher]

Leandro Lucarella wrote:
> Walter Bright, el 21 de noviembre a las 11:51 me escribiste:
>> Nick Sabalausky wrote:
>>> Yes! Capitalization consistency in the predefined versions! If it
>>> needs to be worded as a "removal", then "Remove version's
>>> capitalization inconsistencies" ;). The current state of that is
>>> absolutely ridiculous, and frankly, a real PITA ("Ok, I need to
>>> version for Blah OS...now what random capitalization did Walter
>>> chose to use for that one again...?"). I don't care about that
>>> change breaking existing code: For one thing, it's D2, it's not
>>> supposed to be stable yet, and secondly: Just say "with this
>>> release, grep all your code for "version" and update your
>>> capitalizations", or, better yet, depricate any use of the old
>>> names as errors, and just get the damn issue fixed already!
>> The choices were not random. They coincided with the common usage of
>> the underlying C compiler.
> 
> Right, like OSX.
> 

http://predef.sourceforge.net/preos.html Has a decent list of macros 
defined for different OSes (and even different compilers in some cases).

Be glad he didn't use the different underscores.  I still think 
consistency would be nice (either all caps or no caps).