-- pg_turbovec 2.7.0 -> 2.7.1
-- Documentation-only release: BUG#6 root cause proven against stock
-- PostgreSQL (reproduced with core GiST alone; the one-line core fix
-- verified by an A/B build). Binary byte-identical to 2.7.0.
-- No wire change (v8), no SQL surface change, no REINDEX.
-- Intentionally empty but MUST exist so ALTER EXTENSION ... UPDATE succeeds.