[Ohrrpgce] SVN: teeemcee/12919 Add "get zone" which creates a zone handle that can be used with "get ex

[subversion at HamsterRepublic.com]

teeemcee
2022-04-21 05:18:36 -0700 (Thu, 21 Apr 2022)
211
Add "get zone" which creates a zone handle that can be used with "get extra" etc

Updated whatsnew and plotdict for resizable zone extra data. I've introduced the
term "object handle" for a slice or zone handle.
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U   wip/const.bi
U   wip/docs/plotdict.xml
U   wip/plotscr.hsd
U   wip/scriptcommands.bas
U   wip/scriptcommands.bi
U   wip/testgame/autotest.hss
U   wip/testgame/autotest.rpgdir/general.reld
U   wip/testgame/autotest.rpgdir/ohrrpgce.hsp
U   wip/whatsnew.txt