Re: Issue 1291 in lilypond: R2 in single 4/4 measure produces "Object is not a markup." and "I am not spanned!"

[lilypond]

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Comment #1 on issue 1291 by address@hidden: R2 in single 4/4 measure  
produces "Object is not a markup." and "I am not spanned!"
http://code.google.com/p/lilypond/issues/detail?id=1291

Programming error is a graceful error, even if the message is not clear.

Critical is for segfaults, where LilyPond does not give any output before  
failing.

There are two deficiencies here, as I see them:

1) The error messages are very cryptic.

2) The output for R2 in 4/4 music is *not* a rest.  It's a half measure  
with nothing in it.


\version 2.13.46

\score {
  <<
  {R2}
  {c4 c c c}
  >>
}

Gives the attached file.


To me, this looks like a low-priority issue.



Attachments:
        1291-demo.png  8.2 KB