Unfortunately, there is some misinformation in this text. Please take a look at the following issue of Medizinische Genetik (Plendl H.,1998: Stammbäume zeichnen mit PED 4.2. medgen 1: 50-51) and the correction of the above mentioned article (p. 51).
So, rest assured:
[Alt+D] to move a member right
[Alt+A] to move a member left
[Alt+W] to move a member up
[Alt+X] to move a member down,
or choose Input Window, Move member ...
You will notice that the whole pedigree will be redrawn no crossing lines ...This is one of the new main features of 4.2, where you can control horizontal and vertical spacing globally as well as individually.
For more information, please take a look at at the first issue in 1998 of Medizinische Genetik.
At the bottom of the article, there is a simple pedigree drawing. With PED, you are able to get the following result:
BTW, it took me 12 minutes to draw this pedigree.