State of Play

[Walter Bright]

Denis Koroskin wrote:
> One of the breaking changes that I recall was that you made Posix
> identifier built-in and thus any custom Posix versioning became an
> error. Not sure if it was introduced in 1.041, though, but it is
> still a breaking change.

It was more of a build system change, but I get your point. It shows 
that even trivial changes are a bad idea for D1.