I think I found a #zap bug without sending any sats...
May only work when splitting zaps with another npub, need to test more
To repeat:
1) tap zap icon
2) select amount you wish to zap
3) [menu displays "who" to zap, based on renoting users' selection (I quote note you, let's split the zaps 50/50)
4) I simply click the "X" icon to close window
5) 'zap' appears in note