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Re: Manual bar breaks autoBeaming

From: Simon Albrecht
Subject: Re: Manual bar breaks autoBeaming
Date: Mon, 7 Dec 2015 13:45:21 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0

On 07.12.2015 10:21, David Kastrup wrote:
Simon Albrecht <address@hidden> writes:


is this a known issue?

\version "2.19.32"
   \time 3/4
   8 8 \bar "" 16 16 16 16 \bar "" 8 8

The type of bar doesn’t matter.
I read in the manual:

Manual beams

In some cases it may be necessary to override the automatic beaming
algorithm.  For example, the autobeamer will not put beams over rests or
bar lines, [...]

So the behavior is known, documented, and deliberate.

I thought you were going to write something like this.

1. The report was (supposed to be) about the missing beam over the first two quavers, which are not separated by a bar line. So this is not covered by the doc excerpt above. 2. If we accept this as a limitation, then it is a severe one IMO. The only sensible way to allow mid-bar line breaks is adding a parallel track inserting these invisible bar lines in every measure, and if this breaks autoBeaming, then there is no way at all. Adding manual beams for the entire piece is too much work and completely undesirable.

I’m not speaking about cases like

  { \time 3/4 s4 \bar "" s \bar "" s }
  { 8 8 8 8 8 8 }

yet, where the beam should ideally extend over the whole measure except if there is a line break…

Yours, Simon

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