CTRL+N
Linsert
Inserts one blank line above the current line.
Arg Linsert (ALT+A CTRL+N)
Inserts or deletes blanks at the beginning of a line to move the first nonblank character to the cursor.
Arg boxarg | linearg Linsert (ALT+A boxarg | linearg CTRL+N)
Inserts blanks within the specified area.
The argument is a linearg or boxarg regardless of the current selection mode. The argument is a linearg if the starting and ending points are in the same column.
Arg mark Linsert (ALT+A mark CTRL+N)
Like boxarg | linearg except the specified area is given by the cursor position and the position of the specified mark. The mark argument must be a named mark: it cannot be a line number. See: Mark.
Linsert always returns true.
Insert, Sinsert