Accents
To enter accented characters press the right mouse button.
This dialog is shown:

Click on an accent to insert this into the current block of text. The accent
is inserted at the current cursor position.
Click on the [x] in the top right-hand corner to dismiss the dialog without selecting a character.
Tip
To enter various other odd characters hold down the 'ALT' key and type in the 3-digit key-code using the
numeric
key-pad (right-side of keyboard) using values from the following table.
E.g. to type a '¬' hold down the ALT key and type 170 on the numeric keypad.
Not all characters works in every font.