The walking commands (ie. directional commands in capital letters) walk 20
rooms but stop if the terrain changes. This is a rather safe way of travelling
because you never walk too far.

However, it seems that if you accidentally start walking while you are in
water, it will continue walking even though you are getting hurt (assuming you
can't swim nor have any ww), and thus you will probably drown.

Wouldn't it be logical that walking stops if you get hurt? This would avoid
accidentally killing yourself because you typed a movement command in capitals
while you were in water.