Hilary James Oliver

This bad boy is ready for review.

Test coverage good without any functional tests, although that makes me a bit nervous for this sort of thing. Any opinions on that?

> With the example, does the 2nd flow get merged into the first flow? No, merging only occurs if the same task from different flows meet in n=0. Here, flow=1...

[Update]: I think this is basically done, I just have to come back to respond to some review comments. It's possible I can do that in time for 8.3.0, let's...

Rebased to 8.0.x

Closing this as superseded by #5809

Meeting: we agreed that quoted whitespace should not be stripped in principle, but in the Cylc context (a) there's no obvious need to support that, and (b) there's evidence that...

(@oliver-sanders - I just noticed you bumped the milestone way back - do you want to keep it that way rather than just close it?)

I'm tentatively putting this one back to 8.1.0. - It's ready to go and shouldn't be hard to review (and the underlying principles were discussed at length and agreed) -...

Merged master and deconflicted.