Comment 29 for bug 1636666

> It is completely impractical to require that all of main switch to pcre2
> before any of main is allowed to switch. main will need to use the old
> pcre, probably for years to come. This should not be a blocker in this
> case.

that is not what was asked for. The required information was a way forward, what things work out of the box, and which packages need porting work. And yes, I consider this as a blocker, until this work is done. Why is this so difficult to procide this information?