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## Re: possible bug in 1.6.4

 From: Rune Zedeler Subject: Re: possible bug in 1.6.4 Date: Mon, 14 Oct 2002 17:57:08 +0200 User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0.0) Gecko/20020529

```Kirk Howe wrote:

```
```and everything else works correctly.
```
```
```
Well, I took a look at the output and noticed that many of your beams are horizontal even though one clearly would expect them to go upwards.
```
The problem is examples like

\score {
\notes \relative c'' {
[c8 d e d' g, a b c]
}
\paper { linewidth = -1 }
}

```
where the single funny note confuses lilypond so that it makes a horizontal beams. You can change this behaviour by setting the grob-property, concaveness-gap, like this:
```
\score {
\notes \relative c'' {
\property Voice.Beam \override #'concaveness-gap = #5.0
[c8 d e d' g, a b c]
}
\paper { linewidth = -1 }
}

-Rune

```