Edit menu:

  [A]bort message;
  [C]ontinue entering lines;
  [D]elete a line;
  [E]dit a string in a line;
  [L]ist starting from a line;
  [P]reformatted store (store with lines formatted as entered);
  [R]eplace one entire line;
  [S]tore Message in "No-Wrap" format.