Bug spotted.
I encoded:
V ebg-rq guvf grkg whfg gb znxr lbh phevbhf.
which decoded to: V ebg-rq guvf g′瀀栀攀瘀戀栀昀⸀I encoded:
V ebg-rq guvf grkg whfg gb znxr lbh phevbhf.
which decoded to: V ebg-rq guvf g′瀀栀攀瘀戀栀昀⸀