[geos-devel] OverlayNG for Testing

[Sandro Santilli]

On Thu, Jul 30, 2020 at 06:04:11PM -0700, Paul Ramsey wrote:

> On a similar note, Martin has recovered the old behaviour for linstrings in overlays so we should be able to be back-compatible there too. As with the collections, there's an existing mechanism to get "nicer" behaviour already, the ST_Linemerge function. 
> 
> My hope is that, if we do these pieces to get old semantics, we will just be left with adding in the Z handling and be very very close to original semantics, enough so that we can stamp it 3.9 instead of 4.0. I love backwards compatibility on principle.

Do you have an updated list of tasks to complete to get backward
compatibility in place ? I probably have the possibility to work
on some of them.

--strk;