(as many characters as will fit on the line)
before the character under the cursor.
All characters to the right of the cursor are shifted right,
with the possibility of the rightmost characters on the line being lost.
No wrapping is performed.
The cursor position does not change
(as many characters as will fit on the line)
before the character under the cursor.
All characters to the right of the cursor are shifted right,
with the possibility of the rightmost characters on the line being lost.
No wrapping is performed.
The cursor position does not change