I've isolated the issue. Wow...basically, there was some mess in remapping level exits. It is a
bohr bug that is hard to explain, but it manifests when levels and entrances are ordered (reordered?) in certain patterns and then the hold is copied. My apologies for all the inconvenience this issue has caused.
I think I've fixed it (rev 247). In my test, a copy of Fetch the Pie appeared to have all the level exits and scripted level warps remaining intact. Would you please carefully verify hold copying now works for you in the next patch I post?
Also found a minor-to-medium storage leak in the text.dat file where the level entrance texts were not being deleted when a hold gets deleted.
These issues are actually also present in DROD 5.1 at this point, as far as I can tell, so I'll be migrating these fixes to the DROD 5.1 RC (rev 6487).
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Gandalf? Yes... That's what they used to call me.
Gandalf the Grey. That was my name.
I am Gandalf the White.
And I come back to you now at the turn of the tide.
[Last edited by mrimer at 02-29-2016 07:34 AM]