[Ohrrpgce] SVN: teeemcee/12580 Document plankmenu

[subversion at HamsterRepublic.com]

teeemcee
2021-10-29 20:18:04 -0700 (Fri, 29 Oct 2021)
266
Document plankmenu

I found it quite confusing, not least the oddly named SL_PLANK_HOLDER!

Invented a couple names for some of the slices involved: "list parent" slices
for plank parents and "plank prototype" slices (because they aren't necessarily
template slices)
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U   wip/plankmenu.bas