[pology] Automatically setting PO header using set-header sieve when merging

[Karl Ove Hufthammer]

Chusslove Illich skreiv 12. juli 2018 08:39:
> There's no direct way to call the set-header sieve itself, but the same
> operation can be performed easily enough by writing a short hook function:
> […]

Thank you! It worked perfectly.

-- 
Karl Ove Hufthammer