[Bug 821951] [NEW] sort -u erase some utf8 characters

[An Yang]

Public bug reported:

sort -u will erase some utf8 characters.

see attachment for detail data.
sort -u x.sorted.utf8 > x.sorted.uniq.utf8
diff x.sorted.uniq.utf8 x.sorted.utf8 > x.diff

** Affects: coreutils (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/821951

Title:
  sort -u erase some utf8 characters

Status in “coreutils” package in Ubuntu:
  New

Bug description:
  sort -u will erase some utf8 characters.

  see attachment for detail data.
  sort -u x.sorted.utf8 > x.sorted.uniq.utf8
  diff x.sorted.uniq.utf8 x.sorted.utf8 > x.diff

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