On Fri, 2019-09-20 at 11:46 -0400, Mike Gilbert wrote:
> Recently, a large number of bugs were filed against packages that have
> USE flag names which contain underscores. Apparently PMS prohibits
> this except when the USE flag is part of a USE_EXPAND variable.
> 
> https://projects.gentoo.org/pms/7/pms.html#x1-200003.1.4
> 
> I'm not certain when this text was added to PMS, or how many of the
> affected USE flags pre-date this policy.
> 
> Portage seems to have no issue dealing with underscores, so this
> doesn't seem to be solving any technical problem.
> 
> I am pretty sure that renaming a bunch of USE flags will cause some
> amount of end-user confusion, for very little benefit. Is enforcing
> this part of PMS really worth it?

And having packages with pretended-USE_EXPAND-that-does-not-work-as-
USE_EXPAND is less confusing to the users?

-- 
Best regards,
Michał Górny