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[Jarno Suni <218637@xxxxxxxxxxxxxxxxxx>]

** Also affects: xfce4-terminal
   Importance: Undecided
       Status: New

** Also affects: gnome-terminal
   Importance: Undecided
       Status: New

** Also affects: geany
   Importance: Undecided
       Status: New

** Also affects: gedit
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/218637

Title:
  Non-breaking space is easy to write accidentally and impossible to
  distinguish from regular space.

Status in Geany:
  New
Status in Light-Weight Text Editor for Gnome:
  New
Status in GNOME Terminal:
  New
Status in XFCE4 Terminal Emulator:
  New
Status in xorg package in Ubuntu:
  Invalid

Bug description:
  OS: from Hardy to at least Trusty.

  When you use Finnish keyboard, you have to hold Alt Gr down to type |
  or \ or certain other characters. When typing a shell command, you may
  often want to enter a space character after such characters. But it
  easily happens that Alt Gr is still down when you press space, and
  consequently you type non-breaking space character U+00A0 (at least,
  if you use UTF-8 keyboard layout, which is default in Ubuntu).

  $cd /tmp ; echo 0 > foo\ bar ; ls "foo bar"
  ls: cannot access foo bar: No such file or directory
  $cat foo bar | grep 0
  No command ' grep' found, but there are 16 similar ones
   grep: command not found

  Besides it may be hard to see the typing error, as non-breaking space
  character looks exactly same as regular space character.

  A way to avoid such typos would be to use another keyboard shortcut
  for non-breaking space. Besides non-breaking space should look
  different than regular space in terminal emulators and in editors.

  A workaround in to run
  setxkbmap -option "nbsp:none"
  to make <Alt Gr><space> type regular space character,
  and use `printf '\u00a0'` or `printf "\xc2\xa0"` to have a non-breaking space in scripts and in command line.

  Non-breaking space can be typed (in GTK apps) by <Ctrl><Shift>u 00a0<Enter>, if needed, but it looks exactly like a regular space.
  For me, <Super><Space> would be a good shortcut for non-breaking space.

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