> > The old version of Cube Quest CHD (for MAME 0.127) is accepted for version
> > 0.127u4 without being updated with chdman.
> >
>
>
> So what? The underlying laserdisk "image" hasn't changed and so the sha1/md5
> values of the stored data didn't change. Only some AV metadata needs to be
> injected for MAME usage. Since this data metadata isn't hashed, all checks
> succeed.
>
> ...well..I could add a check which also checks the availability of AV
> metadata..but it's not that required. Upcoming ld chds will have it
> automatically and cubequest...well..people can update it on their own..
>
>
> Roman Scherzer
>

Thanks for your clarification