nesting of <group-barline>

[lemzwerg]

This is a documentation issue.

The description of <group-barline> says:

The <group-barline> element indicates if the group should have common barlines.

However, it is not covered what to do with nested groups, AFAICS – has the inner or the outer group higher priority?

<part-group number="1" type="start">
  <group-barline>yes</group-barline>
</part-group>
  <part-group number="2" type="start">
    <group-barline>no</group-barline>
  </part-group>
...

Here is what both Finale and MuseScore do:

outer	inner	bar lines
yes	yes	all connected
yes	no	all connected
no	yes	inner group connected
no	no	not connected

As can be seen, only 'no' can be overridden by an inner group, which is not obvious from the description, and which thus should be documented.

[mdgood]

I'm sorry, I don't see the need here. There's no "erase" option for this element, so if any <part-group> has a "yes" for <group-barline>, that barline is present across all the staves in the group.

[lemzwerg]

OK, thanks. What you say is exactly the same as what I say, just using different words 🙂 And I still think it should be emphasized that nested groups cannot override the outermost group's setting. Better to be a bit on the verbose side to avoid people like me asking such questions...