A text editor, the result of the ACO (OOA) course project of Master's CNI 1st year
It implements the memento patterns, and support undo/redo
The list of command is;

• copy
• cut
• paste
• selectall
• extleft, to extend the selection to the left
• extright, to extend the selection to the right
• left, to move the selection to the left
• right, to move the selection to the right
• begin, to move the selection to the start of the text
• end, to move the selection to the end of the text
• quit, to quit the editor

From Clyde JANNEL & Théophile CARRASCO