Gfa_DeleteLines [n = 1]
Gfa_InsertLines [n = 1]
Gfa_DeleteLines [n = 1] deletes one or more lines. When n is specified then, for n>0 the current line (Gfa_Line) and n - 1 following lines will be deleted.
Gfa_InsertLines [n = 1] inserts one or more empty lines above the current line (Gfa_Line). When n is used, then for n>0 n empty lines are inserted. Gfa_InsertLines 1 is equivalent to Gfa_CtrlN.
Gfa_Insert, Gfa_Replace, Gfa_Text, Gfa_CtrlN
{Created by Sjouke Hamstra; Last updated: 12/05/14 by James Gaite}