Am 25.04.2015 um 13:17 schrieb David Kastrup:
Simon Albrecht <simon.albre...@mail.de> writes:
Hello,
as Harm has pointed out, the following example gives unexpected
(i.e. different) output:
\version "2.19"
repeat-note =
#(define-music-function (parser location music)(ly:music?)
(make-sequential-music (list music (ly:music-deep-copy music))))
\absolute { c'1 \repeat-note c'' }
\relative c' { c \repeat-note c'1 }
There are several possible ways of handling this:
– Document it as a feature of ly:music-deep-copy in its search
string. Users would have to circumvent it then.
Huh? What makes you think this a "feature" of ly:music-deep-copy ?
\absolute { c'1 { c'' c'' } }
\relative c' { c { c'1 c'1 } }
does exactly the same.
Now I see: I mistook ly:music-deep-copy to copy the music resulting from
the input, but it copies the input (before any music functions such as
\relative be applied). Is that correct?
In other words: my intuition served me badly here, where I didn’t really
know what the code was doing. I wrongly expected this \repeat-note
function to do the same as \repeat unfold 2 {}.
Sorry for the noise,
Simon
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