US International layout no longer produces ç with ´ + c (worked in previous Mint versions)

[diegobassan]

After upgrading to the latest Linux Mint release (Zena), the US International keyboard layout no longer produces ç when typing ´ + c.

This behavior worked in previous Linux Mint versions and stopped after the upgrade.

Currently, ´ + c produces ć, which follows Unicode rules, but breaks long-standing Portuguese typing behavior that many users relied on.

All other dead-key accents continue to work correctly.

Steps to reproduce

Open Keyboard Settings

Select keyboard layout:

Inglês (EUA, Intern. alt.)

Ensure layout is active

Type:

´ then c

Expected behavior
´ + c → ç

(as it worked in previous Linux Mint releases)

Actual behavior
´ + c → ć

Additional notes

This appears to be a regression introduced by updated xkb-data

This is especially relevant for laptops sold with US keyboards in Portuguese-speaking regions

[clefebvre]

Is it definitely a regression in xkb-data or in Cinnamon? Can you reproduce the issue with 22.3 Xfce or MATE?

[mtwebster]

I looked at the xkeyboard-config package (which provides xkb-data) and haven't seen any relevant changes in the past couple of years.

Are you certain you didn't have any additional xkb options enabled to provide this functionality? Assuming I'm understanding your instructions to reproduce the issue, I get the same behavior on a Mint 21.3 Cinnamon machine, and the keyboard layouts more or less match (there are just rendering differences really, I think):

Mint 21.3:

Mint 22.3:

Do you have the old install available still? You could check options with:

gsettings get org.gnome.libgnomekbd.keyboard options

[diegobassan]

Is it definitely a regression in xkb-data or in Cinnamon? Can you reproduce the issue with 22.3 Xfce or MATE?

I only ran in the Cinnamon version, I will try to play in Xfce to see the behavior.

[diegobassan]

I looked at the xkeyboard-config package (which provides xkb-data) and haven't seen any relevant changes in the past couple of years.

Are you certain you didn't have any additional xkb options enabled to provide this functionality? Assuming I'm understanding your instructions to reproduce the issue, I get the same behavior on a Mint 21.3 Cinnamon machine, and the keyboard layouts more or less match (there are just rendering differences really, I think):

Mint 21.3:

Mint 22.3:

Do you have the old install available still? You could check options with:

gsettings get org.gnome.libgnomekbd.keyboard options

Yes, visually the keyboard did not change after updating. What has changed is the behavior, as I said. With the system configured for pt-br and the keyboard for US international, the behavior of the accent key + c, was 'ç' and in the new zena version, the behavior is 'ć'

I tried to change the file: /usr/share/X11/xkb/symbols/us

I added in the session:
xkb_symbols "intl" {

key { [ c, C, ccedilla, Ccedilla ] };

Unsuccessfully, he also maintained the behavior of generating the character 'ć'.

[fabioabranquetat]

try right alt + , (comma)

[fabioabranquetat]

or put this commands in /etc/environment. reboot or end session to this modification take effect.
GTK_IM_MODULE=cedilla
QT_IM_MODULE=cedilla