Breaking backwards compatiblity

[Manfred Nowak]

Walter Bright wrote:

>  we need to have a VERY high bar for breaking changes.

To me a "breaking change" is a change in the documentation, i.e. change 
that narrows the validity of inputs, widens the validity of outputs, 
disables side effects which are enabled or enables side effects which 
are not mentioned before. Last but not least: all changes of the 
mapping from input to output are breaking changes too.

Although you yourself have stated, that the docs have precedence, I do 
believe, that the documentation was never in total sync with the 
behaviour of dmd.

Therefor without further description of "VERY high bar", demanding such   
seems to be pointless.

-manfred