From: vunzndi@vfemail.net
Date: Wed Jan 30 2008 - 11:43:44 CST
Quoting Lorna_Priest@sil.org:
> John,
>
> We also have people interested in Cipher music notation.
>
Lorna,
Actually it was Paul Neeley, who orginally asked me several months
ago, how I was printing cipher music, to which I replied that I am
using software I wrote myself, however really it should be possible to
do almost everything (slurs excepted) using a font.
> I was given to understand that:
>
> Basically, if we set aside slurs and a few special characters <snip>, the
> core of what we need are just
> some diacritics to attach to the numbers 1 through 9:
Namely to U+FF10 -U+FF19
> - overline
> - double overline
In China underline and double underline are used as oppsed to
overlines (U+0332 Combining Low Line, and U+0333 Cobining Double Line)
, in theory there could be three lines below. I was more inclined just
to stack U+332's.
> - underdot
> - overdot
Yes,
> - forward-slash strike-through
> - backslash strike-through
>
Theese are not, off-hand, required for CKJV characters
To these one could add
U+0352 COMBINING FERMATA
> Charis SIL/Doulos SIL have all of those with the exception of the
> backslash strike-through. I believe that will be in the next version of
> our fonts (but U+20E5 is a combining mark for symbols, rather than in the
> regular combining mark block, is that a problem?). However, there is the
> issue of "strike-through characters". We haven't given the strike-through
> characters any smart fonts so no smart attachment takes place. That would
> be a problem.
>
With Doulos SIL it is possible to display simple cipher music with
half width numbers. However the full width numbers U+FF10 - U+FF19 ,
do not appear to have the correct anchors to put the diacritcs at the
centre of either the top or base. In theory this should be no more
difficult for U+FF10 -U+FF19 than for U+0030 - U+0039.
A second prolem is the length of the lines underneath ideally double
for fullwidth characters. This may not have a simple solutiion.
> Of course, maybe none of these are issues for Cipher notation in China.
> These were requested for another country that uses it.
There are other features sometimes seen, but as you say the above
covers the basics. For slurs, I was thinking in terms of U+1D178
MusicalSymbol Begin Slur and U+1D179 Musical Symbol End Slur, which in
plain text could display like a diacritc at the top of the character.
John
> Lorna
>
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