[Ohrrpgce] SVN: teeemcee/11976 Rewrite LookupSlice (using NextDescendent) so can return next matching s

[subversion at HamsterRepublic.com]

teeemcee
2020-08-25 20:08:16 -0700 (Tue, 25 Aug 2020)
220
Rewrite LookupSlice (using NextDescendent) so can return next matching slice

No longer recursive, so can't overflow the stack, but the number of function
calls is the same as before, so probably little speed difference.
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U   wip/slices.bas
U   wip/slices.bi