Add accented vowels

[andrenie]

I want to add accented vowels “Ế, ế” how can I do that?

[makara]

The tutorials here might help: Developing Keyboards.

[makara]

If you want a keyboard that can be used to output accented vowels, try one of these:

• https://keyman.com/keyboards/sil_euro_latin, here is how to use the keyboard: https://help.keyman.com/keyboard/sil_euro_latin/1.9.5/sil_euro_latin.
• https://keyman.com/keyboards/dega, here is how to use the keyboard: https://help.keyman.com/keyboard/dega/1.0/dega.