Let's edit the dictionary text file using a text editor. For Dead Keys, I've chosen Microsoft Visual Studio Code because it is free, cross-platform, and lightweight, and supports many different extensions to enhance its functionality:
Replacing difficult characters using a text editor application (Visual Studio Code)
First, I want to change all text into lowercase, to prevent a mix of uppercase and lowercase featuring in the word selection. To do this, I'll install the change-case extension. Click on View | Extensions in the application's menu, or click on the Extensions button in the toolbox:
Accessing the Extensions ...
