Re: \repeat percent crashes on longer music expressions

[Eluze]

Jim Long wrote
> The construct:
> 
> \version "2.16.1"
> 
> \score {
>   \repeat percent 4 { R1*n }
> }
> 
> crashes lilypond when n > 2:
> 
> GNU LilyPond 2.16.1
> Processing `tiny.ly'
> Parsing...
> Interpreting
> music.../usr/local/share/lilypond/2.16.1/scm/music-functions.scm:318:21:
> In procedure car in expression (car durs):
> /usr/local/share/lilypond/2.16.1/scm/music-functions.scm:318:21: Wrong
> type (expecting pair): ()
> 
> An improved error message would be helpful.
> 
> Pp. 141-142 of the 2.16.2 notation reference describe what the
> user should expect when the music expression is two bars or less,
> but do not indicate what is done with longer expressions.  This
> section could be improved by stating the limits of \repeat
> percent with respect to the length of the repeated music
> expression.
> 
> A member of the user list commented that at some point, a
> percent-repeated expression becomes too long, and a volta repeat
> is in order.  Although I agree, I would be pleased if Lilypond
> could be enhanced to successfully engrave percent repeats of four
> bars or less in length.  I do not have a professionally engraved
> example of such at this time.

thanks, Jim

added as
https://code.google.com/p/lilypond/issues/detail?id=3146&colspec=ID%20Type%20Status%20Stars%20Owner%20Patch%20Needs%20Summary

Eluze



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