zuse: allow non-trailing null bytes in to-wain:format
~% %lore ..is ~
|= lub/@
=| tez/(list @t)
+ =+ len=(met 3 lub)
|- ^+ tez
=+ ^= wor
=+ [meg=0 i=0]
|- ^- {meg/@ i/@ end/@f}
=+ gam=(cut 3 [i 1] lub)
- ?: =(0 gam)
+ ?: =(len i)
[meg i %.y]
?: =(10 gam)
[meg i %.n]
