Merge branch '26-switch-to-IDNA2008-non-transitional-processing-v9_12' into 'v9_12'

Resolve "Switch to IDNA2008 non-transitional processing (and use libidn2 for that)"

Closes #26

See merge request !124
7 jobs for 26-switch-to-IDNA2008-non-transitional-processing-v9_12 in 6 minutes and 50 seconds (queued for 5 seconds)
Status Job ID Name Coverage
  Precheck
passed #4913
linux docker
precheck:debian:sid:amd64

00:00:11

 
  Build
passed #4914
linux docker
build:debian:sid:amd64

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passed #4915
linux docker
build:debian:sid:i386

00:01:57

 
  Test
passed #4918
linux docker
systemtest:debian:sid:amd64

00:04:40

passed #4919
linux docker
systemtest:debian:sid:i386

00:04:41

passed #4916
linux docker
unittest:debian:sid:amd64

00:00:47

passed #4917
linux docker
unittest:debian:sid:i386

00:00:46