Documentation / technical / api-xdiff-interface.txton commit add "ok=sigpipe" to test_must_fail and use it to fix flaky tests (8bf4bec)
   1xdiff interface API
   2===================
   3
   4Talk about our calling convention to xdiff library, including
   5xdiff_emit_consume_fn.
   6
   7(Dscho, JC)