Jonathan Tan <> writes:

> This is an iteration of the patch set after the discussion in
>  <>.
> Changes:
> o largely rewritten to follow Junio's suggested design (refactor of
>   check_header to separate out ">From" and "[PATCH]", and an
>   is_inbody_header function performing an airtight check on whether a
>   line is an in-body header)
> o simpler try_convert_to_utf8 API
> o one file of the expected output of t/t5100/*0015 is modified (instead
>   of the input)
> o t/t5100/*0018--no-inbody-headers test files added
> o example in commit message improved following Peff's suggestion

Overall it looks much nicer, but I still do not understand why we
want to do try-convert-to-utf8.  The _only_ caller of that helper
function is in 4/4 where it tries to convert the line to see if a
line is a scissors line.

It seems to me that the only thing doing so gives us is that you
could later enhance the definition of what a scissors-line looks
like by adding unicode characters [*1*], but I would strongly
suggest not doing that kind of enhancement [*2*].  With the current
definition of what a scissors-line looks like, it can be checked
before you do the UTF-8 conversion, I think, which would mean that
the helper is not strictly necessary.



*1* E.g. ✂ encoded in non-UTF8 may have to be converted to UTF-8
first before being recognized as such.

*2* Encouraging people to use non-ASCII that older version of Git
did not take for structural things like "what is a scissors line"
merely for the looks is a bad trade-off; patch e-mails that use the
enhanced definition will break for those with older version of Git,
and the benefit of "prettier scissors" is not really worth it, I
would think.

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