Constant OWED_FINER 

const OWED_FINER: u32 = _; // 8u32

Quantizer steps finer than the paint-over one a capped CRF codes a block owed its paint-over at (ledger::BlockLedger::refresh_owed): a refinement’s, and two more, the predicted frame over a coarser picture landing short of it: a 720p page under a 4 Mbit/s peak came to 48.1 dB at one more and 49.4 at two, where the uncapped session’s paint-over leaves it at 48.5.