[RFC] Multi-parent diffs

[Aaron Bentley]

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Martin Pool wrote:
> However, to extract a text stored this way would require first
> building all of the parents

No, only a naive implementation would need to build all of the parents.

One of the benefits of this format is that it makes it easier to
construct the output text without constructing the intermediate texts.

Still, it would require twice as many inputs, and that would slow it
down, indeed.

> So maybe it would be interesting to prototype enough of this to
> assess what effect it has on size and speed.

I agree that more work is needed to establish the cost and benefits of
this approach.

Aaron
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