Re: [Lilypond-auto] Issue 355 in lilypond: \repeat bar lines get messed up

[lilypond]

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Comment #7 on issue 355 by address@hidden: \repeat bar lines get messed up
http://code.google.com/p/lilypond/issues/detail?id=355

Well, there are quite a few regtest differences, and it's clear that this  
code is not sufficiently prepared for the situation where a repeat does not  
span an integral amount of measures.

There are some cases, particularly those with a single repetition and two  
alternatives, where the bar boundaries don't match what one would get from  
unfolding short, sub-bar repeats.

However, there are also examples with something like four alternatives  
where there is absolutely no way to unfold the repeats in a manner that  
places the bar lines anywhere sensible and where just staring at the  
example and thinking "how could one do that right?" is making my head hurt.

As a note aside, I seem to remember that repetitions in mid-bar have their  
own bars either looking like ||: or even |: rather than .|: as they do  
now.  LilyPond does not seem to have a version of those light repeat bars,  
right?

I'll try see whether I can incorporate the "state at start of repeat  
differs from that of end of alternative" thing sensibly.  But it's not  
likely to work amenably with the "restore some settings without  
interpretting them" approach.

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