Stefan Monnier <monnier@iro.umontreal.ca> writes:

>>> More importantly, it would be good to notice when that flag is out of
>>> date, i.e. signal an error if the `Version:` has changed when that flag
>>> is set.  Maybe simply require that flag to be set to a string (rather
>>> than just `t`) which is the expected version specified in `Version:` and
>>> then signal an error if they don't agree?
>>
>> Sure, that can be done but I don't see why?
>
> Because more often than I'd like, upstream management changes without us
> being made aware of them.  So especially for discouraged flags, we should
> make extra sure that these flags are still desired.

How does this look like: