sweater rat: disable undo/redo if it won't do anything #12
Description
in case there's no history to undo or no undo history to redo, set opacity of button to like... 10% and turn the hover cursor to default to indicate unclickyness
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in case there's no history to undo or no undo history to redo, set opacity of button to like... 10% and turn the hover cursor to default to indicate unclickyness