I happened to mention here that my computer had frozen whilst I was attempting to upload a change to my website, and that the result had been a disaster within the gallery on which I was attempting the surgery.
Well, I contacted Weebly, asking if it would be possible to do a re-start to where the thing was a couple of days earlier. They did just that: the very next day everything had been restored to normal.
a. Weebly cares for its client base:
b. folks love a train-wreck. My 'visitor' numbers had soared!