In typography, overstrike is a method of printing characters that are missing from the printer's character set. The character was created by placing one character on another one — for example, overstriking "L" with "-" resulted in printing a "Ł" (L with stroke) character.
The ASCII code supports six different diacritics. These are: grave accent, tilde, acute accent (approximated by the apostrophe), diaeresis (double quote), cedilla (comma), and circumflex accent. Each is typed by typing the preceding character, then backspace, and then the 'related character', which is `, ~, ', ", , or ^, r...