The generator mechanism needs to learn to deal with multiple files in a go,
preserving the per-file nature of the resulting data. We're not making any
changes that would make that transition any more difficult that it is, so this
is no way 4.16 material.
In principle, while some new
Technically, by request I mean to be able to generate meta, pre, post and such,
basically Requires with qualifier.
There are 2 ways how to do it:
* Just let scripts to emit `(meta|pre|post)` in the beginning/end of the string
and parse it
* Create a new __foo_requires_meta and such in *.attr
