My US$.02, a wild guess about other people's intentions.
Maybe in samples posted here, people show such save and restore code as a reminder that you should write "black box" or "Mom's rule" code, shown in a clear and concise way.
Rich Addison, Micro Vane, Inc., Kalamazoo, MI
Relax, don't worry, have a homebrew.
- Charlie Papazian, The New Complete Joy of Home Brewing
