DIP 1003: remove `body` as a keyword

[Dicebot via Digitalmars-d-announce]

DIP 1003 is merged to the queue and open for public informal 
feedback.

PR: https://github.com/dlang/DIPs/pull/48
Initial merged document: 
https://github.com/dlang/DIPs/blob/master/DIPs/DIP1003.md

If you want the change to be approved and have ideas how to 
improve it to better match on 
https://github.com/dlang/DIPs/blob/master/GUIDELINES.md and 
existing published reviews - please submit new PR with editorial 
and ping original author.