[Ohrrpgce] SVN: teeemcee/12542 Press Delete to clear most non-text data fields (*intgrabber, editbitset

[subversion at HamsterRepublic.com]

teeemcee
2021-10-12 18:15:51 -0700 (Tue, 12 Oct 2021)
337
Press Delete to clear most non-text data fields (*intgrabber, editbitset)

Also, fixed pressing backspace repeatedly alternating between 0 and -1
in zintgrabber

And removed a couple now unneeded cases that manually handled Delete

Getting Delete to work to remove enemies from a formation required a tricky special case in thinggrabber.
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U   wip/attackedit.bas
U   wip/common.rbas
U   wip/common_menus.bas
U   wip/customsubs.rbas
U   wip/formationedit.bas
U   wip/itemedit.bas
U   wip/ohrhelp/editbitset.txt
U   wip/textboxedit.bas
U   wip/whatsnew.txt