bugFree UCS Outline Fonts - Bugs: bug #26803, Musical Symbols: Begin/End Beam,...


bug #26803: Musical Symbols: Begin/End Beam, Phrase, Slur, Tie

Submitter:  Steve White <Stevan_White>
Submitted:  Sun 14 Jun 2009 11:52:45 AM UTC
Category:  character range Severity:  2 - Minor
Item Group:  character substitution issue Status:  Need info
Privacy:  Public Assigned to:  Stevan_White
Open/Closed:  Open Release:  * development
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Thu 30 Nov 2017 11:15:56 PM UTC, comment #2: 

From a discussion with David Corbett, about beam begin/end:

"They work, but the font has to do everything itself, with contextual lookups and so on. A double beam is simply what happens when a sixteenth note is part of a beam grouping, so it is encoded much like a single beam. For example, a pair of beamed sixteenth notes would be encoded ⟨begin-beam sixteenth-note sixteenth-note end-beam⟩. For a more complex example, https://upload.wikimedia.org/wikipedia/commons/8/8e/Beamed_notes.svg would be encoded ⟨begin-beam eighth-note eighth-note dot sixteenth-note end-beam⟩."

Steve White <Stevan_White>
Group administrator
Sun 14 Jun 2009 11:57:42 AM UTC, comment #1: 

Some documents make clear that these characters are meant to be used by application software.

The initial proposal for the Musical Symbols range
and the Unicode TR-27
(where is the current equivalent of this?)
both explain this.

In principle however, some limited support could be built into the font, via some substitution lookup feature.

For example, as simple beamed quarter note could be constructed.

So far, the needed features don't seem to be working in any environment at my disposal however.  So this may have to wait.

Steve White <Stevan_White>
Group administrator
Sun 14 Jun 2009 11:52:45 AM UTC, original submission:  

(For Kim Bastin)

I do not know whether 1d173 and 1d174 (begin/end beam) actually work, or if there is any provision for double, triple etc. beams...

Steve White <Stevan_White>
Group administrator


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    Follow 2 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2011-10-28 Stevan_White Severity3 - Normal 2 - Minor
    2009-06-14 Stevan_White Carbon-Copy- Added kim bastin <kimb@comcen.com.au>

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