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ocaml-community / zed

Abstract engine for text edition in OCaml
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bugfix: Zed_utf8.unsafe_extract_prev: ofs stepping #21

Closed kandu closed 5 years ago

kandu commented 5 years ago

Zed_utf8.unsafe_extract_prev stept reversedly for utf8 character of which the length is 4 bytes.

This PR fixes it and therefore resolves https://github.com/ocaml-community/utop/issues/287