Proposed Response to the comments suggesting that some DCOR1 set entries should have been in the FPDAM1 set

[MURATA Makoto (FAMILY Given)]

> I would go further: when a technical defect in a feature is corrected, all
> existing implementations of that feature, that did not interpret it as if
> the correction had already been made, will be to some extent broken by the
> change. In other words, Corrigenda routinely break all existing
> implementations that have failed to anticipate the correction.

I think so too.  A technical corrigendum shouldn't be published if it 
does not break some applications.

Cheers,
Makoto