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[Egmont Koblinger <egmont@xxxxxxxxx>]

This is definitely not a gnome-terminal bug.  It's either the locale
system, or powertop.

The correct canonical value is LANG=en_US.UTF-8 with a hyphen.  You're
better off using this one rather than anything else.

For figuring out what's going on with the locale system, you should use
the commands "locale" and "locale charmap".  If these return errors then
your settings are incorrect.  If these return UTF-8 then it's a bug in
powertop (I assume it manually looks for the string "UTF-8" in the
locale settings, rather than relying on the correct way of figuring it
out which is setlocale() followed by nl_langinfo(CODESET)).

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https://bugs.launchpad.net/bugs/1394633

Title:
  Problem with locale codeset UTF-8 vs. UTF8

Status in “gnome-terminal” package in Ubuntu:
  New

Bug description:
  Ubuntu 14.04.1 LTS
  Kernel 3.18-rc5 (https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/log/?id=refs/tags/v3.18-rc5)

  Pre-conditions:
  ----------------------
  A Terminal is opened

  Steps:
  ----------
  1. Execute command: locale
  2. Launch PowerTop with command: sudo powertop
  3. Check tab "Overview"
  4. Quit Powertop with [Ctrl] + [C]
  5. Execute command: export LANG=en_US.UTF8
  6. Relaunch PowerTop and check again

  
  Actual result:
  ------------------
  1. Command returns: LANG=en_US.UTF-8
  3. PowerTop gives some durations in µs. "M-BM-5" is displayed instead of "µ"
  6. "u" is displayed instead of "µ"

  Expected result:
  ------------------------
  "µ" is well displayed

  Workaround:
  --------------------
  Execute command: "export LANG=en_US.UTF8"

  Info
  ---------
  I checked with PowerTop' maintener. It seems to be a problem with the locale codeset.
  If needed, PowerTop installation:
  1. Install packages: g++, autopoint, libpci-dev, autoconf, libncurses, libncurses-dev, libnl-cli, libnl-genl-dev, libtool
  2. Clone sources: git clone git://github.com/fenrus75/powertop.git 
  3. Compile and Install:
  cd powertop
  ./autogen.sh
  ./configure
  make
  sudo make install

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: gnome-terminal 3.6.2-0ubuntu1
  Uname: Linux 3.18.0-rc5-mainline-3.18-rc5 x86_64
  ApportVersion: 2.14.1-0ubuntu3.5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Thu Nov 20 16:53:18 2014
  ExecutablePath: /usr/bin/gnome-terminal
  InstallationDate: Installed on 2001-01-04 (5068 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  SourcePackage: gnome-terminal
  UpgradeStatus: Upgraded to trusty on 2014-05-16 (188 days ago)

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