14. The computer-readable memory device of claim 13 , where the one or more instructions to change a characteristic of the one or more characters includes one or more instructions to alter at least one of a color, font, style, effect, or size of the one or more characters in the document.
13. The computer-readable memory device of claim 12 , where the one or more instructions to locate and highlight occurrences of the one or more characters includes: one or more instructions to identify each occurrence of the one or more characters in the document, and one or more instructions to change, for each occurrence of the one or more characters, a characteristic of the one or more characters in the document.