[Bug 1971715] Re: 22.04 idn -a domain.com idn: could not convert from ASCII to UTF-8

[Simon Josefsson]

It is an upstream bug, see:
https://lists.gnu.org/archive/html/help-libidn/2022-06/msg00000.html

Patch here:
https://git.savannah.gnu.org/gitweb/?p=libidn.git;a=blobdiff;f=configure.ac;h=14a39972b59ff1d2f223a2fbd03db0d872b85826;hp=49c30f6e486f3430188d4b52601c861faad2e70b;hb=8c0f2aca9e026bdd846d930fc1bed0866c7383f2;hpb=3d3818eb5f6e0712595ba32d74f620d1ce0450e3

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Title:
  22.04 idn -a domain.com idn: could not convert from ASCII to UTF-8

Status in libidn package in Ubuntu:
  New

Bug description:
  On Ubuntu 22.04 Jammy:

  idn -a "xxx-tést.eu"
  idn: could not convert from ASCII to UTF-8

  And

  idn -u "xn--xxx-tst-fya.eu"
  idn: could not convert from UTF-8 to ASCII

  Expected: 
  Successfully conversion from ASCII to UTF-8

  Ubuntu 20.04 / 18.04 it works fine

  Also with idn2 from UTF-8 to ASCII works as expected how ever support
  lacks from ASCII to UTF-8

  
  Description:	Ubuntu 22.04 LTS
  Release:	22.04

  root at test:~# echo $LC_ALL
  C.UTF-8

  
  root at test:~# apt-cache policy  idn
  idn:
    Installed: 1.38-4build1
    Candidate: 1.38-4build1
    Version table:
   *** 1.38-4build1 500
          500 https://mirror.hetzner.com/ubuntu/packages jammy/universe amd64 Packages
          100 /var/lib/dpkg/status

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