Re: [Gnu-arch-users] NEW POLICIES (draft)

[Thomas Lord]

    > From: Andrew Suffield <address@hidden>

    > > >On reflection, this is just a prism structure under a different name,
    > > >plus a rule that there must be a single line of ancestry through all
    > > >of them (which is actually useless and should be ignored - this isn't
    > > >used for anything, so regular freeform prism structure will work just
    > > >the same; the freeform structure is just a set of 'cascades' anyway).

    > > The single-line-of-ancestry rule means it's not a prism.

    > Not one, but several. It's a sequence of prisms tacked on top of each
    > other. 

Calling it "sequence of prisms" is a stretch since each version in the
sequence is singular whereas the point of prisms is to have multiple
parallel versions.

    > The classical prism structure is a set of these things sitting
    > next to each other. The difference can and should be ignored unless
    > there happens to be a real dependency here, in which case it's the
    > obvious way to do it anyway.

Apparently not obvious, given that people haven't been using this
pattern.

The pattern has particular value for longer-term, multi-phased,
multi-change development --- exactly the use described for it by the
rel-src-mgt spec.

-t