Porting D2 code to D1

[Ryan Bloomfield]

Bill Baxter Wrote:

> 
> I think preventing the proliferation of vendor-specific language 
> extensions is considered a feature of the current system.  There is 
> always "pragma" for non-language extensions.
> 
> --bb

"pragma" won't allow a new keyword.  What if someone comes up with an experimental feature, that later proves useful enough to become part of a standard.  In C and C++, this happens all the time.  C exceptions are a good example.