> On Feb 25, 2017, at 11:41 AM, [email protected] wrote:
>
> Date: Sat, 25 Feb 2017 17:34:54 +0100 (CET)
> From: Karl Hammar <[email protected]
> <mailto:[email protected]>>
> To: Joseph Austin <[email protected] <mailto:[email protected]>>
> <snip>
>
> And, rp26 clearly states in section 5:
>
> In addition, if a byte order mark which specifies UNICODE such as
> 'FF FE' or 'FE FF' exists, the character code SET should be treated
> as UNICODE.
>
> There is such a "byte order mark" for utf8, see [2]. And then by
> extension, you just have to insert that BOM somewhere in the midi
> file (exists == not restricted to the lyrics meta event, preferable
> in track 0 at time 0) and it would be legal (according to the
> recommendation) to use utf8 straigth out the box.
>
> [2] http://www.unicode.org/faq/utf_bom.html#BOM
> <http://www.unicode.org/faq/utf_bom.html#BOM>
>
> <snip>
>
>> only ASCII chars between 0 and 127 are allowed.
>
> Your wording is too hard. complete_midi_96-1-3.pdf, p.137 (or [1]
> p.10) clearly says "should", but
>
> "other characters codes
> using the high-order bit may be used for interchange of files between
> different programs on the same computer which supports an extended
> character set. Programs on a computer which does not support
> non-ASCII characters should ignore those characters."
I stand corrected.
>> But if we are going to use a "private standard", we might as well
>> imitate the "official" standard and insert something like
>> FF 05 07 { @ U T F 8 }
>> And lobby AMEI/MMA to adopt an official UTF8 position.
>
> Could be good, but why just not capitalize on the BOM and just use
> utf8.
>
> Regards,
> /Karl Hammar
OK, the UTF-8 BOM is 0x EF BB BF
But given that the MIDI file is not a "text file" but a binary file with text
fields scattered throughout,
normally embedded in various MIDI Meta-events, where should the BOM be placed?
Interpreting your suggestion, we could add a Lyric Meta-Event with the BOM as
the text field to Track 0 Time 0.
That should work for lyrics, but RP-26 indicates that lyrics "language
encoding" should not extend to other types of text events.
For other text events, it seems we would need to prefix every UTF-8 text field
with the BOM.
---
Joe Austin
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