I have. If the plant is actually doing well, ie acclimating, so the leaves look like crud but the plant is actually busy doing things like forming a root base or starting new leaf buds, then yes, it's perfectly normal to see O2 coming from it especially from damaged leaves. If the leaves have started to break down in places then it's more likely you'll see O2 pouring from them once the plant starts to do it's daily routine, as you would see if you were to break or cut the leaf during pruning. Pearling and O2 coming from damaged areas is essentially the same, accept that pearling is usually associated with the plant being so saturated with O2 that it bleeds out of even undamaged spots and is a good indicator of nutrient balance, whereas it's much easier to see O2 pour out from a place of damage, balance isn't so necessary, just some photosynthetic activity within the plant.
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