[Ohrrpgce] SVN: teeemcee/10013 Fix ScrollToChild broken if called twice in row: didn't refresh screen p

[subversion at HamsterRepublic.com]

teeemcee
2018-02-05 08:14:47 -0800 (Mon, 05 Feb 2018)
251
Fix ScrollToChild broken if called twice in row: didn't refresh screen positions first

That means it could also break if called immediately after editing the slice tree.

Also, in plotdict document that "scroll to child" can be used on any descendent
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U   wip/docs/plotdict.xml
U   wip/plankmenu.bas
U   wip/slices.bas
U   wip/whatsnew.txt