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Re: User comments on R shorthand
From: |
David Kastrup |
Subject: |
Re: User comments on R shorthand |
Date: |
Wed, 20 Mar 2013 19:52:05 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) |
Kieren MacMillan <address@hidden> writes:
> Hi David,
>
>> See page 3, at the bottom, for two, three, and
>> four measure rests. (I'm obliged to cite and give
>> credit for the scans.} How can these be implemented
>> without R2, R3, and R4?
>
> Assuming that staff is in 4/4 time (there is no time signature
> currently), then R1*2, R1*3, and R1*4 should work perfectly — do they
> not work for you?
>
>> There should be no problem detecting the measure lengths.
>
> That does seem intuitively true…
> However, David K. (who knows way more about this than any of us) says
> it's false — I trust his judgement/opinion, until seeing concrete
> evidence to the contrary.
Not reliably, and I don't see a reliable way to complain about the
unreliable cases. LilyPond needs to be able to calculate the length of
music in terms of whole notes in a number of "dry run" situations.
If we want to stipulate that bars and whole notes are interchangeable,
how many bars are there in
music = { \time 4/4 a1 a1 a1 a1 } ?
The answer appears intuitively simple. Now look at the output of
music = { \time 4/4 a1 a1 a1 a1 }
\new Staff << \music \\ { f1 \time 12/4 f1 f1 f1 } >>
which is a perfectly valid though slightly capricious LilyPond file.
\music takes two bars.
--
David Kastrup
- Re: User comments on R shorthand, (continued)
- Re: User comments on R shorthand, Werner LEMBERG, 2013/03/20
- Re: User comments on R shorthand, Kieren MacMillan, 2013/03/20
- Re: User comments on R shorthand, David Raleigh Arnold, 2013/03/20
- Re: User comments on R shorthand, Kieren MacMillan, 2013/03/20
- Re: User comments on R shorthand, Phil Holmes, 2013/03/20
- Re: User comments on R shorthand, David Kastrup, 2013/03/20
- Re: User comments on R shorthand, Kieren MacMillan, 2013/03/21
- Re: User comments on R shorthand, David Kastrup, 2013/03/21
- Re: User comments on R shorthand, Janek Warchoł, 2013/03/21
Re: User comments on R shorthand, Noeck, 2013/03/20
Re: User comments on R shorthand, Olivier Biot, 2013/03/23
Re: User comments on R shorthand, Wilbert Berendsen, 2013/03/24