Source control for all dmd source

[Walter Bright]

Sean Kelly wrote:
> It would be nice to have DMD in version control, but I don't buy the LDC 
> argument.  It's trivial to diff one release against another, regardless 
> of whether version control is involved.

A fantastic program to do this is meld on Ubuntu.

sudo apt-get install meld

It has done a lot for my productivity when merging diffs.