Author :
cheloha
Date :
2018-03-05 16:57:37
Hash :0e0db0d6 Message :Stricter checking for skip1 and skip2.
As we do elsewhere in the tree, make sure we (a) got a number at all,
(b) that it doesn't have non-digits dangling off the end, (c) that it's
positive, and (d) that it didn't overflow.
ok tb@