8. The method of claim 1 , wherein modifying the graphical representation of the text comprises changing a color for the graphical representation of the text based on the appearance of a surface on or near the graphical representation of the text by adjusting either a background or a foreground color for the local environment to make the graphical representation of the text more readable.
8. The method of claim 1 , wherein modifying the graphical representation of the text comprises changing a color for the graphical representation of the text based on the appearance of a surface on or near the graphical representation of the text by adjusting either a background or a foreground color for the local environment to make the graphical representation of the text more readable. 9. The method of claim 8 , wherein changing the color of the graphical representation of the text involves varying the color of a border or edge of the graphical representation of the text to distinguish the graphical representation of the text from the local environment.