Re: Add dead-is-alive boolean property to Hara_kiri_group_spanner (issue 6948058)

[dak]

On 2012/12/17 06:13:22, Keith wrote:
> On 2012/12/16 08:09:38, dak wrote:

> That works fine.  The input below will show a single staff, except for
the one
> line containing the voice-crossing section, regardless of where the
line-breaks
> fall. (We can do this with current LilyPond using two Staff contexts;
the new
> feature enables the measure that could be printed either as chords or
divided
> staves, depending on linebreaks.)

> The problems with 'dead-is-alive' are the difficulty of keeping track
of the
> reversed logic, and loss of the usual action of removeEmptyStaves when
all
> affected staves are truly empty.

Ok, so we should likely not be abusing the keepAliveInterfaces as
keepDeadInterfaces as it may be separately needed.  Instead we likely
want something like a killContexts list which names a number of contexts
to kill if this context is not suicided (or already killed) itself.

https://codereview.appspot.com/6948058/