Undo all revisions from $1undo to this one. If not set, just undo one revision.
You shouldn't even be seeing this. Bizzeebeever told me to add this here so that we can get responsiveness working for all screens.
From Magnum Semi-RP Unturned Game Servers
Undo all revisions from $1undo to this one. If not set, just undo one revision.