* release/next-vere: (23 commits)
kh: abolish unicode syntax in favor of ascii
vere: use cue/test handles for repeated packet parsing
ur: adds missing serial.h include
u3: updates u3s_cue_xeno() to return error, not bail on oversized atoms
u3: factors atoms/backrefs back into u3s_cue_xeno()
u3: renames u3s_cue_sill* to u3s_cue_xeno*
u3: removes u3s_cue_xeno()
u3: removes unused atom measurement function in urth.c
vere: use u3s_cue_sill() for ivory pill
vere: use u3s_cue_sill for ipc $plea's
serf: use u3s_cue_sill() for ipc $writ's
u3: use u3s_cue_sill_with() in u3u_uncram()
u3: adds u3s_cue_fill and handle-based api
u3: factors atoms/backrefs out of u3s_cue_xeno
u3: refactors u3s_cue_bytes() to use road-stack api
ur: removes unused variables in tests
ur: cleans up ur_bsr_log()
ur: cleans up ur_met(), atom measurement
ur: refactors unsafe jam into a handle-based api
ur: adds walk_fore variant with a handle-based api for repeated traversal
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