SYNTAX : ARG I RESULTING ARGUMENT: None FUNCTION : Insert one specified character into the buffer at the current cursor position. The cursor (and implicitly the value of . ) is positioned after the inserted character. ARGUMENT : The ASCII value of the character to be inserted. Values out of the ASCII range (0-255) will be subjected to a mod 256 operation silently. EXAMPLE : 27 i Will insert an ESC character. MATRIX