Special characters (Linux)

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I use the right Alt key as compose key. It seems that there are key combinations up to three keys long.

Letters

Letter Combination Code & name Notes
ć ? U0107 - Latin small letter C with acute According to [1], these would be valid combinations, but they don't seem to work:
  • ' c - Apostrophe c
  • c ' - c apostrophe
  • acute c
č
  • c c
  • < c
ğ g ( First the letter, than the symbol
ı . i Turkish dotless i
ň n < "ˇ": Caron [2]

Symbols

Symbol Name or code Combination Notes
- >
½ 1 2
· . ^
  • Dot in the middle
  • "^": asciicircum or accent circumflex
° 0 0 or 0 * Degree

Case: How to write ć (2023.05)

Writing "ć" the suggested way (e.g., apostrophe c or acute c) doesn't seem to work. Let's try suggestion from [https://askubuntu.com/questions/906390/how-to-get-letter-%C4%87-with-the-dead-keys:

  1. sudo dpkg-reconfigure keyboard-configuration
  2. Set keyboard to US keyboards without dead keys
  3. Restart the computer.

My keyboard:

  • There are 109 keys (including numeric keyboards, without on/off and audio keys)
  • Dell Latitude laptop
  • Originally a French keyboard, but with stickers to make it look like what seems to be a normal US keyboard.

Trial 1

Keyboard configuration goes in stages:

  1. Dell Latitude laptop
  2. English (US) - It's actually a French keyboard with stickers, but let's try to ignore that
  3. English (US) - English (US, euron on 5) - I can't see if there is a euro at 5, due to a sticker, but they usually have, don't they?
  4. AltGr key: Right Alt (AltGr)
  5. Compose key: Right Alt (AltGr)
  6. Use Control-Alt-Backspace to terminate X server.

Trial 2

Keyboard settings:

  1. Dell Latitude laptop
  2. French
  3. French - French (alt., no dead keys)
  4. AltGr key: Right Alt (AltGr)
  5. Compose key: Right Alt (AltGr)
  6. Use Control-Alt-Backspace to terminate X server.

Results: I now had an Azerty keyboard, and I couldn't log in without the Onscreen keyboard → I haven an English keyboard

Trial 3

English → English (without anything else) → Same problem as before.

Trial 4

  • English
  • English (US) - English (intl., with AltGr dead keys)

Change X11 Compose file

Create a .XCompose file

https://askubuntu.com/questions/47496/how-can-i-add-a-custom-compose-key-sequence/71335#71335 - Still to come.

Sources

Trouble with ć