[Bug 1771109] Re: Domain names containing emoji characters are not supported in console applications

[Ubuntu Foundations Team Bug Bot]

The attachment "gen-tables-from-iana.patch" seems to be a patch.  If it
isn't, please remove the "patch" flag from the attachment, remove the
"patch" tag, and if you are a member of the ~ubuntu-reviewers,
unsubscribe the team.

[This is an automated message performed by a Launchpad user owned by
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** Tags added: patch

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https://bugs.launchpad.net/bugs/1771109

Title:
  Domain names containing emoji characters are not supported in console
  applications

Status in glibc package in Ubuntu:
  New
Status in libidn2-0 package in Ubuntu:
  New

Bug description:
  Ubuntu release:
  user at machine:~$ lsb_release -rd
  Description:	Ubuntu 18.04 LTS
  Release:	18.04

  Description:
  What I did: Attempted to access a domain name containing an emoji character using curl and other terminal applications
  What I expected to happen: Successfully interact with the server represented by said domain name
  What happened instead: Got error saying that the domain contains a disallowed character.
  Notes: Accessing such a domain using firefox works normally. Interacting with the domain using its punycode form works just fine. Accessing IDNs containing national characters (such as hxxp://ąćęłńóśźż.pl/) works as intended.

  Steps to reproduce:
  user at machine:~$ curl 📙.la
  curl: (3) Failed to convert 📙.la to ACE; string contains a disallowed character

  Disclosure: I own such a domain name, but it is not the domain
  provided in the example.

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