Short list with things to finish for D2

[grauzone]

Andrei Alexandrescu wrote:
> The rewrite is done long after lexing, so no low-level problems there.

Oh, I thought it would let you introduce new operators. But it's only 
about the existing ones.

I find the idea to identify the operator using a string very sloppy and 
sillyl just like using string mixins for small delegates in 
std.algorithm etc.; but you'd probably say "it works and is useful" and 
"it's short" and "it solves the current problem", so... whatever.