Improved Lock

 From:  NightCabbage
3762.3 
Hi Michael

Oh, no - I meant that only the locked object would be partially transparent - all non-locked objects would be normal.

So because these partially transparent objects are locked, you can't select them anyway, so no mistakes could be made.

Also,, because they're only partially transparent, you can still seem them - it's just that you can also see other objects hiding behind them.

(unless I'm forgetting something?)