Complements
Benvingut a complements de Thunderbird.
Add extra features and styles to make Thunderbird your own.
Tanca
Mark as read/unread button 3.0
per OUBRECHT.com
Adds a button to the message header toolbar for marking the currently open message as read or unread, with customizable button text.
Quant al complement
Adds a button to the message header toolbar for marking the currently open message as read or unread, with customizable button text.
