Get quick access to Unicode accent characters when composing Gmails. 
The add-on offers a popup card with buttons for each accent character in selected language. When clicked, these buttons insert their corresponding accent character into the current mail message template.
Often find yourself looking for a certain foreign language accent character? 
Look no further, this add-on allows you to select your preferred language (e.g. Latin, French, Spanish, Swedish) 
and then with a click of a button insert desired accent character into your message.