rversteegen left a comment (ohrrpgce/ohrrpgce#430)
I noticed there's a horrible second way to trigger, hence symptom, of this bug
(aside from when multiple scripts are triggered on the same tick): when a
script is triggered while the script interpreter is currently running. This
also suspends a script that's not in a wait state. It turns out that there's
only one way in old versions to do that (since everything else that could
trigger a script causes an implicit wait): the `advance text box` command on a
textbox with a run script After condition (any script at all). This actually
puts the engine into an infinite loop (tested in werewaffle+, ubersetzung, and
2001-06-11) because the `wantimmediate = -1` flag causes the `advance text box`
to run again (another bug, I'm not sure when that was fixed), and there's a
third bug in old versions, not fixed until ypsiliform:
> * Using "advance text box" when no text box is open no longer
> re-evaluates the conditionals of the most recently closed text
> box [James]
Any time I go back to old versions I'm immediately struck by how buggy and
unergonomic they are... I couldn't even set the script triggers in the 2001
Custom without them being wiped after one tick, and `@donothing` didn't
compile in ubersetzung (it does supposedly support references), etc. The lack
of page up/down/home/end drives me mad.
Also, the testcase I posted at the top
(https://github.com/ohrrpgce/ohrrpgce/issues/430#issuecomment-599075433)
requires holding down the Use key for at least two ticks. Because all triggered
scripts except onkeypress and menu-triggered ones (including, I notice, scripts
triggered by textboxes advanced by a closing menu but not by a normal textbox
advance) run on the following tick isntead, ugh. (More lost time; sadly it's
details like that that can make scripting frustrating.)
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